There is also a "long scale," which is used in France and previously was used in the United. List of Large. This is the so also called short scale. Details. So, to multiply 30 by one million you just need to add 6 zeros to the right of 30. The integer 1000000000000000000000 (or 10 21, a 1 followed by 21 zeros) is called a Sextillion. There are four 0s in the number 10,000 (10,000). 9. | Meaning, pronunciation, translations and examples Using this calculator you can find how many zeros are in 200 trillions, as well as, in any other number written as billions, trillions, etc. So, to multiply 1. Quintillion has 18 zeros. quadrillion: Fifteen zeroes. Rayo's number is, in Rayo's own words, "the smallest positive integer bigger than any finite positive integer named by an expression in the language of first-order set. Information about the large number One Octovigintillion, which is a 1 followed by 87 zeros. 7. There is also a long scale, nowadays used in France, in which a billion means one million million. Eight original SI prefixes were officially adopted: deca, hecto, kilo, myria, deci, centi, milli, and myrio, derived from Greek and Latin numbers. We know that one billion has 9 zeros. 0E+60 duodecillion: 1. 5. This is the so also called short scale. Duotrigintillion. 10 → 100 → 1,000 → 10,000. To find the number of zeros in 31 billion you just need to multiply the number by 1,000,000,000 to get 31,000,000,000. By counting the number of zeros in 40,000 you will find that it has 4 zeros. By counting the number of zeros. In the long scale which is commonly used in France and Germany, 10273 is called. Octillion : An octillion includes 27 zeros at the end of. To find the number of zeros in 300 million you just need to multiply the number by 1,000,000 to get 300,000,000. We know that one k has 3 zeros. Short scale vs long scale. Details. 600 septillion (quadrillion) 765 476 250 000 000: 7. Adding three (or six) zeroes to a quintillion gives a sextillion. 0E+15 septillion: 1000000000000 octillion: 1000000000 nonillion: 1000000 decillion: 1000 undecillion: 1 duodecillion: 0. 5. In the United States, as in most countries, a billion corresponds to one thousand million, which is written as a one followed by nine zeros. How many zeros are there in all numbers, million, billion, trillion, quadrillion, sextillion, septillion, octillion, nonillion, decillion, undecillion, duode. We know that one million has 6 zeros. . 450 → 4,500 → 45,000 → 450,000. 60 → 600 → 6,000 → 60,000 → 600,000 → 6,000,000 → 60,000,000. 25 → 250 → 2,500 → 25,000 → 250,000 → 2,500,000 → 25,000,000. Septillion is a numerical term that represents the number 1 followed by 24 zeros (10^24). What comes after 999999999999999999999999 in word form? After 999,999,999,999,999,999,999,999 would come 1,000,000,000,000,000,000,000,000 (10^24) which is called one septillion on the US (short) scale, or quadrillion on the European (long) scale, where a billion is a million million, a trillion is a million billion, and a quadrillion is a. . There are 4 sets of zeros (each set has three zeros) and this is also shown as 1 x 1012. So, to multiply 40 by one thousand you just need to add 3 zeros to the right of 40. 7 by one million you just need to shift the decimal separator 6 places to the right of 1. 20 → 200 → 2,000 → 20,000. How many zeros does septillion have? Septillion has twenty-four zeros in it. 10 99. Googol. 10 96. There is also a "long scale," which is used in France and previously was used in the United. Octillion has 27 zeros. quadrillion: 1 n the number that is represented as a one followed by 15 zeros Type of: large integer an integer equal to or greater than ten n the number that is represented as a one followed by 24 zeros “in England they call a septillion a quadrillion ” Type of: large integer an integer equal to or greater than ten 1 with 12 zeros: 1 with 18 zeros: quadrillion: 1 with 15 zeros: 1 with 24 zeros: quintillion: 1 with 18 zeros: 1 with 30 zeros: sextillion: 1 with 21 zeros: 1 with 36 zeros: septillion: 1 with 24 zeros: 1 with 42 zeros: octillion: 1 with 27 zeros: 1 with 48 zeros: googol One decillion is equal to one followed by 33 zeros. quintillion:. To find the number of zeros in 10 k you just need to multiply the number by 1,000 to get 10,000. By counting the number of zeros in 80,300 you will find that it has 3 zeros. octillion (plural octillions) ( US, modern Britain and Australia, short scale) A thousand trillion trillion, a billion billion billion: 1 followed by 27 zeros, 10 27 . is 1 with 100 zeroes after it - 10100 - and as this number didn’t already have a name, he called it a googol. There is also a long scale, nowadays used in France, in which a billion means one million million. So, to multiply 60 by one million you just need to add 6 zeros to the right of 60. 001 quinquadecillion: 1. Published in Daily Trivia. The basic flow between the place value of the digits and how the chain goes. By counting the number of zeros in 3,500,000,000 you will find that it has 8 zeros. We know that one billion has 9 zeros. 0E-15 tredecillion: 1. 1 plus 45 zeros is 1 quattuordecillion. trillion. Our universe contains at least 70 septillion stars, 7 followed by 23 zeros. but I can show a than billion. What number has 1000 zeros? Numbers greater than a billion Name number of zeros Groups (3) of zeros Thousand 3 1 (1,000) Ten thousand 4 (10,000) Hundred. So, to multiply 330 by one million you just need to add 6 zeros to the right of 330. So, to multiply 7 by one million you just need to add 6 zeros to the right of 7. We know that one thousand has 3 zeros. We know that one million has 6 zeros. The storage volume is equivalent to a quadrillion gigabytes (GB) or a million trillion megabytes. One Trillion. So, to multiply 5. If you use the long scale one billion is written with a one. We know that one million has 6 zeros. The integer 1000000000000000000000 (or 10 21, a 1 followed by 21 zeros) is called a Sextillion. 10 100. So, for example, 7 followed by 23 zeros would be equivalent to 700 followed by 21 zeros and so would be called Seven hundred sextillion. 0E-15 quattuordecillion: 1. Short scale vs long scale. How many zeros are there in all numbers, million, billion, trillion, quadrillion, sextillion, septillion, octillion, nonillion, decillion,. So, to multiply 10 by one million you just need to add 6 zeros to the right of 10. This makes it easy to make various calculations. So, to multiply 7 by one million you. So, to multiply 10 by one thousand you just need to add 3 zeros to the right of 10. one thousand million, or 10 9 (ten to the ninth power ), as defined on the short scale. 330 → 3,300 → 33,000 → 330,000 → 3,300,000 → 33,000,000 → 330,000,000. 0E+267 undecillion: 1. One septillion is written as {eq}10^{24} {/eq}. By counting the number of zeros in. A Septillion is a number with 24 zeros. How many zeros are in 1 quadrillion?. Details. We know that one billion has 9 zeros. SEPTILLION definition: (in Britain , France , and Germany ) the number represented as one followed by 42 zeros. When a number is very large, we often use scientific format to write them into power of tens. Details. 500 → 5,000 → 50,000 → 500,000. 1000000000000000000000 = One sextillion. 15 → 150 → 1,500 → 15,000 → 150,000 → 1,500,000 → 15,000,000. Quintillion has 18 zeros. 0E-18 quinquadecillion:To find the number of zeros in 12 million you just need to multiply the number by 1,000,000 to get 12,000,000. How many zeros are in a septllion? There are 24 zeros in a septillion. 0E-6 tredecillion: 1. 10 100. Trillion Divided By Billion Calculator. How many zeros does octillion have? 30 * * * * * No. If you use the long scale one billion is written with a one. By counting the number of zeros in 600,000,000 you will find that it has 8 zeros. We know that one k has 3 zeros. So, to multiply 1000 by one thousand you just need to add 3 zeros to the. Is septillion a real number? The definition of a septillion is a number that is a 1 with 24 zeros after it. Convert septillion to other Numbering System unitsSeptillion: 10 24: Octillion: 10 27: Nonillion: 10 30: Decillion: 10 33: Undecillion: 10 36: Duodecillion: 10 39: Tredecillion: 10 42: Quattuordecillion: 10 45: Quindecillion: 10 48:. If you use the long scale one billion is written with a one. 001 nonillion: 1. As you can see, throughout the majority of the chart, the power of ten rises by three with each new number, which implies that you must add three more zeros to the end of the previous number to get the next. This answer is:Details. 6547625 × 10 14: 765 trillion, 476 billion, 250 million 145 000: 1. How many zeros does the number septillion have in it? 24. If you use the long scale one billion is written with a one. If you use the long scale one billion is written with a one. 001 tredecillion: 1. One Septuagintillion is equal to 1E+213, also in scientific notation it is expressed as 10 213 therefore there are 213 zeroes in a septuagintillion. The long scale was first described by Genevieve Guitel in 1975. So, to multiply 300 by one k you just need to add 3 zeros to the right of 300. 02 has three significant figures. I can't find your term in any of my reference works, so I guess it can have as many (or as few) zeros as you want. Some players may find it easier to use Scientific Notation, which shows your funds using exponents rather than the names of large numbers. We know that one k has 3 zeros. How many zeros in a septillion? 24 In countries that use the long scale (eg Europe) there are 42 zeros: 1 billion = 1 bi-million = 1million2 = 1012 1 trillion = 1 tri-million = 1million3 = 1018 ⇒ 1 septillion = 1sept-million = 1million7 = 1042 In countries that use the short scale (eg USA) there are 24 zeros: 1 billion. 2 Trillion is divided by 351 Million = 5698. By counting the number of zeros in 100,000 you will find that it has 5 zeros. Right after that, there’s the big numbers, you will count even higher: at first up to 100 （一百）,. By counting the number of zeros in 1,100,000,000 you will find that it has 8 zeros. 3. This is the so also called short scale. 0E+270 decillion: 1. 0E-12 duodecillion: 1. So, to multiply 3. Biology – approximately 10 14 synapses in the human brain. 7 billion in words, then it will be written as `one billion seven hundred million` Therefore, 1. 10 100. It’s bigger than the number of stars in the universe. By counting the number of zeros in 300,000 you will find that it has 5 zeros. An octillion is equal to 1 followed by 27 zeros. We know that one million has 6 zeros. 1,000,000,000,000,000,000,000,000. It’s simpler to write it one trillion as 1,000,000,000,000. So, to multiply 55 by one million you just need to add 6 zeros to the right of 55. We know that one trillion has 12 zeros. The number 309 billion has 10 zeros. Million has 6 zeros; Billion has 9 zeros; Trillion has 12 zeros; Quadrillion has 15 zeros; Quintillion has 18 zeros; Sextillion has 21 zeros; Septillion has 24 zeros; Octillion has 27 zeros; Nonillion has 30 zeros; Decillion has 33 zeros; Undecillion has 36 zeros; Duodecillion has 39 zeros; Tredecillion has 42 zeros; Quattuordecillion has 45. One Centillion is equal to 1E+303, also in scientific notation it is expressed as 10 303 therefore there are 303 zeroes in a centillion. 2. Short scale vs long scale. All Small Numbers We Know. Words with the suffix-illion (e. 10 100. In the United States, as in most countries, a billion corresponds to one thousand million, which is written as a one followed by nine zeros. The prefix kilo-, for example, may be added to gram to indicate multiplication by one thousand: one kilogram is equal to one thousand. The integer 1000000000000000000000000 (or 10 24, a 1 followed by 24 zeros) is called a Septillion. To find the number of zeros in 3500 million you just need to multiply the number by 1,000,000 to get 3,500,000,000. 10 96. The definition of Rayo's number is a variation on the definition: The smallest number bigger than any finite number named by an expression in the language of first-order set theory with a googol symbols or less. If you use the long scale one billion is written with a one. One Duodecillion is equal to 1E+39, also in scientific notation it is expressed as 10 39 therefore there are 39 zeroes in a duodecillion. 1,000,000,000,000,000,000,000,000 or 10^24. We know that one thousand has 3 zeros. The name for a number followed by 21 zeros is sextillion and the name for a number followed by 24 zeros is a septillion. A septillion is 10^24 or a trillion trillions, and in the long scale it's known as a quadrillion. Details. Anonymous answered. Duotrigintillion. For example, one yottabyte contains one septillion bytes of data. In the U. To find the number of zeros in 3 million you just need to multiply the number by 1,000,000 to get 3,000,000. There is also a long scale, nowadays used in France, in which a billion means one million million. We know that one thousand has 3 zeros. Quadrillion, quintillion, sextillion, septillion, octillion, nonillion, decillion, and so on. To find the number of zeros in 10 thousand you just need to multiply the number by 1,000 to get 10,000. How many zeros are there in a 100 million million? There are twelve zeros in 100 million million. There are 24 zeros in a septillion. So, to multiply 350 by one million you just need to add 6 zeros to the right of 350. Copy. To find the number of zeros in 145 thousand you just need to multiply the number by 1,000 to get 145,000. If you use the long scale one billion is written with a one. This is the so also called short scale. 10 96. We know that one million has 6 zeros. It can also be treated as a thousand billion. How Many Zeros Are in the Googol and Googolplex?In the United States, as in most countries, a billion corresponds to one thousand million, which is written as a one followed by nine zeros. There is also a long scale, nowadays used in France, in which a billion means one million million. So it is a centillion. What number has a 1 followed by 24 zeros? Septillion. To find the number of zeros in 35 million you just need to multiply the number by 1,000,000 to get 35,000,000. 100,000,000,000,000. 5 million you just need to multiply the number by 1,000,000 to get 7,500,000. 721. So, to multiply 15 by one million you just need to add 6 zeros to the right of 15. View full site for showing MathJax equation A tresvigintillion or trevigintillion is equal to (10^{72}) in the short scale, or (10^{138}) in the long scale. Details. By counting the number of zeros in 2,500,000 you will find that it has 5 zeros. A septillion has 24 zeros. One thousand has three zeros. It’s also the largest -illion to get an officially. There are 12 zeros in a trillion when we use the short scale, 1,000,000,000,000 (used by English speaking countries). So, to multiply 36 by one million you just need to add 6 zeros to the right of 36. Wiki User. We know that one million has 6 zeros. By counting the number of. quadrillion: 1 n the number that is represented as a one followed by 15 zeros Type of: large integer an integer equal to or greater than ten n the number that is represented as a one followed by 24 zeros “in England they call a septillion a quadrillion ” Type of: large integer an integer equal to or greater than ten1 with 21 zeros: 1 with 36 zeros: septillion: 1 with 24 zeros: 1 with 42 zeros: octillion: 1 with 27 zeros: 1 with 48 zeros: googol: 1 with 100 zeros. See examples of SEXTILLION used in a sentence. 1 plus 42 zeros is 1 tredecillion. How much zeros is there in Quadrillion? I am often asked the question: How many 0s are in _____. The unit prefix "yotta" is commonly used to denote a multiplication by one septillion. So, for example, 7 followed by 23 zeros would be equivalent to 700 followed by 21 zeros and so would be. We know that one million has 6 zeros. That’s a lot of zeros! A septillion is so big that it’s hard to even wrap our minds around it. So, to multiply 145 by one thousand you just need to add 3 zeros to the right of 145. In the United States, as in most countries, a billion corresponds to one thousand million, which is written as a one followed by nine zeros. In the United States, as in most countries, a billion corresponds to one thousand million, which is written as a one followed by nine zeros. We know that one thousand has 3 zeros. Decillion has 33 zeros. To find the number of zeros in 1 k you just need to multiply the number by 1,000 to get 1,000. In the U. 0E+261 tredecillion:As we discussed in the definition of a trillion, one trillion is written as 1,000,000,000,000 in the International number system. Spelling out scientific notation numbers can be a mouthful. This is the so also called short scale. How many zeros does 7. This is the so also called short scale. To switch to Scientific Notification, simply go into your game settings and place a. Short scale vs long scale. It is derived from the Latin word “septem,” meaning seven, and the suffix “-illion,” which denotes a large, indefinite number. We know that one million has 6 zeros. Duodecillion has 39 zeros. To find the number of zeros in 12. If you use the long scale one billion is written with a one. To find the number of zeros in 36 billion you just need to multiply the number by 1,000,000,000 to get 36,000,000,000. 0E-21 unvigintillion: 1. Copy. Here is a quick list of numbers and how many 0s. : Select the magnitude Example: million. We know that one k has 3 zeros. A septillion has 24 zeros. . By counting the number of zeros. 0E-24. Sextillion has 21 zeros. By counting the number of zeros. The unit prefix "yotta" is commonly used to denote a multiplication by one septillion. ∙ 11y ago. 4 by one billion you just need to shift the decimal separator 9 places to the right of 2. Numbers Bigger Than a Trillion Name Number of Zeros Groups of 3 Zeros Septillion 24 8 Octillion 27 9 Nonillion 30 10 Decillion 33 11. The unit prefix "zetta" is commonly used to denote a multiplication by one sextillion. is that septillion is ( US; modern British & Australian, short scale) A trillion trillion: 1 followed by 24 zeros, 10 24 while sextillion is ( US; modern British & Australian, short scale) A trillion billion: 1 followed by 21 zeros, 10 21. How large is a septillion? This is a septillion, equal to 1 followed by 24 zeros, or a trillion trillions. To find the number of zeros in 1. In the short scale a septilion is 1024 or 1 followed by 24 zeros. Octillion has 27 zeros. There is also a long scale, nowadays used in France, in which a billion means one million million. It is used in France and, for a time, was accepted in the United Kingdom as well. So, to multiply 1 by one trillion you just need to add 12 zeros to the right of 1. We know that one thousand has 3 zeros. the number 10 24, or 1 followed by 24 zeros. 0E-12 quattuordecillion: 1. Short scale vs long scale. In simple words, it has 6 zeroes. One million contains six zeros and is written as 1,000,000. 4 → 40 → 400 → 4,000 → 40,000 → 400,000 → 4,000,000 → 40,000,000 → 400,000,000 → 4,000,000,000. What is 1 followed by 27 zeros? Octillion! What is the number called with 27 zeros? octillion. 9. Details. Billion has 9 zeros Trillion has 12 zeros Quadrillion has 15 zeros Quintillion has 18. In the United States, as in most countries, a billion corresponds to one thousand million, which is written as a one followed by nine zeros. NUMBER NAME NUMBER NAME; 10 1: ten: 10 33: decillion: 10 2: hundred: 10 36: undecillion: 10 3: thousand: 10 39: duodecillion: 10 4: ten thousand: 10 42: tredecillion. How many zeros are in a septillion?Wiki User ∙ 13y ago Study now See answer (1) Best Answer Copy There are 24 zeros in a Septillion. Tresvigintillion is a name based on Conway and Guy's naming system, and trevigintillion is a name based on Rowlett's naming system. n. Every time you have a whole set of three zeros, such as in a million (1,000,000), you use a comma to separate them. We know that one billion has 9 zeros. To find the number of zeros in 6 thousand you just need to multiply the number by 1,000 to get 6,000. We know that one billion has 9 zeros. So, to multiply 36 by one billion you just need to add 9 zeros to the right of 36. A septillion has 24 zeros. If you use the long scale one billion is written with a one. One Octillion is equal to 1E+27, also in scientific notation it is expressed as 10 27 therefore there are 27 zeroes in a octillion. Wiki User. 4 → 40 → 400 → 4,000 → 40,000 → 400,000 → 4,000,000. What is 0 divided by septillion? Zero. Teacher. We know that one million has 6 zeros. One Quattuordecillion is equal to 1E+45, also in scientific notation it is expressed as 10 45 therefore there are 45 zeroes in a quattuordecillion. 1000 septillion: 1 octillion: 0. A million is a thousand times thousand which can be written as 1,000 × 1,000 = 1,000,000. We would like to show you a description here but the site won’t allow us. So, to multiply 100 by one k you just need to add 3 zeros to the right of 100. The integer 1000000000000000000000000000000000000000000000000000000000 (or 10 57, a 1 followed by 57 zeros) is called a Octodecillion. Sextillion, on the other hand, refers to the number 1 followed by 21 zeros (10^21). 8 billion as a. The meaning of SEPTILLION is a number equal to 1 followed by 24 zeros; also, British : a number equal to 1 followed by 42 zeros. Undecillion has 36 zeros. One trillion can also be expressed as one thousand billion. 576. Quattuordecillion has 45 zeros. To find the number of zeros in 7 million you just need to multiply the number by 1,000,000 to get 7,000,000. Quattuordecillion has 45 zeros. This is the so also called short scale. An SI prefix is a prefix used to multiply a unit by a certain value. How many trillions are in 1 septillion? 1,000,000,000,000. There is also a long scale, nowadays used in France, in which a billion means one million million. List of Large. a billion trillions would be 1 sexillion (no joke 100% serious) it is a 1 followed by 21 zeros. 8 billion above, we see that there are 8 zeros. 001 decillion: 1. It defines the amount. 350 → 3,500 → 35,000 → 350,000 → 3,500,000 → 35,000,000 → 350,000,000. We know that one billion has 9 zeros. This is the largest million with an official name in English. 1000000000000000000000 = One sextillion (the number 1 followed by 21 zeros) Septillion. 1 trillion = 1 tri-million = 1million3 = 1018. So, to multiply 7 by one billion you just need to add 9 zeros to the right of 7. By counting the number of zeros in 3,000,000 you will. Details. To find the number of zeros in 90 billion you just need to multiply the number by 1,000,000,000 to get 90,000,000,000. Next 5 entries. We know that one million has 6 zeros. Information about the large number One Duovigintillion, which is a 1 followed by 69 zeros. 10 99. 25. There's quadrillion, quintillion, sextillion, septillion, octillion, nonillion, decillion and more. How many millions are in a googol? The scientific notation for a googol is 1 x 10 100 . Trillion↔Million Calculator. And a Googolplexian is a 1 followed by Googolplex zeros. To find the number of zeros in 50 million you just need to multiply the number by 1,000,000 to get 50,000,000. This is the so also called short scale. So, for example, 7 followed by 23 zeros would be equivalent to 700 followed by 21 zeros and so would be called Seven hundred sextillion. Step 3: The first 3 numbers are 791, which you will say 七百九十一. There is also a long scale, nowadays used in France, in which a billion means one million million. A billion has nine zeros. One million = 1×10 6. Short scale vs long scale. Sextillion may mean either of the two numbers (see long and short scales for more detail): 1,000,000,000,000,000,000,000 (one thousand million million million; 10 21; SI prefix zetta-) for all short scale countries. That’s a lot of zeros! A septillion is so big that it’s hard to even wrap our minds around it. In the International numerical system, a quintillion has 6 sets of zeros with 3 in each set, written as 1,000,000,000,000,000,000. We know that one million has 6 zeros. 1. If you use the long scale one billion is written with a one. In his naming system, it is the smallest positive integer with the letter "z" in the name ( 0 is the only integer whose official English name contains the letter "z"). Get the free "Zeros Calculator" widget for your website, blog, Wordpress, Blogger, or iGoogle. By counting the number of zeros in 450,000 you will find that it has 4 zeros. How many zeros are there in a trillion? 12 zeros One trillion dollars is equivalent to a thousand billion, or million dollars multiplied by millions. If you want to write 1. So, to multiply 300 by one million you just need to add 6 zeros to the right of 300. 9. 31556926 = The number of seconds in a year. See examples of SEPTILLION used in a sentence. In countries that use the short scale (eg USA) there are 24 zeros: 1 billion = a thousand million = 109. In the UK the "old term" is rarely used now. 1 plus 33 zeros is 1 decillion. One decillion is equal to one followed by 33 zeros. Ever wonder what a number with 228 zeros after it is called? No? Well who asked you anyway? Actually, it's called a quinseptuagintillion. 0E+279 septillion: 1. Details. In the United States, as in most countries, a billion corresponds to one thousand million, which is written as a one followed by nine zeros. 700 → 7,000 → 70,000 → 700,000 → 7,000,000 → 70,000,000 → 700,000,000. Billion is a word for a large number, and it has two distinct definitions: 1,000,000,000, i. We know that one million has 6 zeros. To find the number of zeros in 1000 thousand you just need to multiply the number by 1,000 to get 1,000,000. By counting the number of zeros in 1,100,000 you will find that it has 5 zeros. Septillion has 24 zeros. By counting the number of zeros. There is also a long scale, nowadays used in France, in which a billion means one million million. The number 1 trillion trillion can represent two different numbers, because there are two scales in use. . If you want to write 7. Quindecillion. By counting the number of zeros in 4,000,000. 0E-6 decillion: 1. So, to multiply 7 by one k you just need to add 3 zeros to the right of 7. The next named number after trillion is quadrillion, which is a 1 with 15 zeros after it: 1,000,000,000,000,000. How many zeros are in a septillion? 27. This is called short scale. 0E-12 tredecillion: 1. 100. A trillion is a 1 followed by twelve zeros, or 1,000,000,000,000. Information about the large number One Octodecillion, which is a 1 followed by 57 zeros. One million is 1 followed by six zeros. How many zeros does the number septillion have in it? Updated: 4/28/2022. The name for a number followed by 21 zeros is sextillion and the name for a number followed by 24 zeros is a septillion. Each prefix has a unique symbol that is prepended to any unit symbol. This is a septillion, equal to 1 followed by 24 zeros, or a trillion trillions.