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Quintillion Trillion Trillion E Exa-6 3 10 21: Sextillion Thousand trillion Trilliard Z Zetta-7 4 10 24: Septillion Quadrillion Quadrillion Y Yotta-8 4 10 27: Octillion Thousand quadrillion Quadrilliard R Ronna-9 5 10 30: Nonillion Quintillion Quintillion Q Quetta-10 5 10 33: Decillion Thousand quintillion Quintilliard 11 6 10 36: Undecillion ...
Mathematics: The probability of matching 20 numbers for 20 in a game of keno is approximately 2.83 × 10 −19. Mathematics: The odds of a perfect bracket in the NCAA Division I men's basketball tournament are 1 in 2 63, approximately 1.08 × 10 −19, if coin flips are used to predict the winners of the 63 matches. [6]
Kasner used it to illustrate the difference between an unimaginably large number and infinity, and in this role it is sometimes used in teaching mathematics. To put in perspective the size of a googol, the mass of an electron, just under 10 −30 kg, can be compared to the mass of the visible universe, estimated at between 10 50 and 10 60 kg. [ 5 ]
More precisely, the order of magnitude of a number can be defined in terms of the common logarithm, usually as the integer part of the logarithm, obtained by truncation. [ contradictory ] For example, the number 4 000 000 has a logarithm (in base 10) of 6.602; its order of magnitude is 6.
The term billion originally meant 10 12 when introduced. [7] In long scale countries, milliard was defined to its current value of 10 9, leaving billion at its original 10 12 value and so on for the larger numbers. [7] Some of these countries, but not all, introduced new words billiard, trilliard, etc. as intermediate terms.
Some words that have a precise numerical definition can be used indefinitely. For example: couple (2), [21] dozen (12), score (20); myriad (10,000). When a quantity word is prefixed with an indefinite article then it is sometimes intended or interpreted to be indefinite. For example, "one million" is clearly definite, but "a million" could be ...
Far larger finite numbers than any of these occur in modern mathematics. For instance, Graham's number is too large to reasonably express using exponentiation or even tetration. For more about modern usage for large numbers, see Large numbers. To handle these numbers, new notations are created and used. There is a large community of ...
The numbers past one trillion in the short scale, in ascending powers of 1000, are as follows: quadrillion, quintillion, sextillion, septillion, octillion, nonillion, decillion, undecillion, duodecillion, tredecillion, quattuordecillion, quindecillion, sexdecillion, septendecillion, octodecillion, novemdecillion and vigintillion (which is 10 to ...