21402039335029008

Names of 21402039335029008

• Cardinal: 21402039335029008 can be written as Twenty-one quadrillion, four hundred two trillion, thirty-nine billion, three hundred thirty-five million, twenty-nine thousand and eight.

Scientific notation

• Scientific notation: 2.1402039335029008 × 10¹⁶

Factors of 21402039335029008

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 804498146

Divisors of 21402039335029008

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 6 8 12 16 17 24 34 48 51 68 102 136 204 272 408 816 32603 65206 97809 130412 195618 260824 391236 521648 554251 782472 1108502 1564944 1662753 2217004 3325506 4434008 6651012 8868016 13302024 26604048 804465521 1608931042 2413396563 3217862084 4826793126 6435724168 9653586252 12871448336 13675913857 19307172504 27351827714 38614345008 41027741571 54703655428 82055483142 109407310856 164110966284 218814621712 328221932568 656443865136 26227989381163 52455978762326 78683968143489 104911957524652 157367936286978 209823915049304 314735872573956 419647830098608 445875819479771 629471745147912 891751638959542 1258943490295824 1337627458439313 1783503277919084 2675254916878626 3567006555838168 5350509833757252 7134013111676336 10701019667514504 21402039335029008
• Sum of all divisors σ(n): 58542667938570816
• Sum of proper divisors (its aliquot sum) s(n): 37140628603541808
• 21402039335029008 is an abundant number, because the sum of its proper divisors (37140628603541808) is greater than itself. Its abundance is 15738589268512800

Bases of 21402039335029008

• Binary: 1001100000010010000101010011000000010001000100100010000₂
• Hexadecimal: 0x4C090A98088910
• Base-36: 5UQE14ZSNIO

Squares and roots of 21402039335029008

• 21402039335029008 squared (21402039335029008²) is 458047287698128902939060201464064
• 21402039335029008 cubed (21402039335029008³) is 9803146068618703422323710862883378575281509568512
• The square root of 21402039335029008 is 146294358.5208568731
• The cube root of 21402039335029008 is 277641.9286854279

Scales and comparisons

• 21,402,039,335,029,008 seconds is equal to 680,518,649 years, 51 weeks, 6 days, 20 hours, 56 minutes, 48 seconds.
• To count from 1 to 21,402,039,335,029,008 would take you about two billion, forty-one million, five hundred fifty-five thousand, nine hundred forty-nine years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 21402039335029008 cubic inches would be around 23136.8 feet tall.

Recreational maths with 21402039335029008

• 21402039335029008 backwards is 80092053393020412
• 21402039335029008 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 21402039335029008's digits is 51
• More coming soon!