21055820526471072

Names of 21055820526471072

• Cardinal: 21055820526471072 can be written as Twenty-one quadrillion, fifty-five trillion, eight hundred twenty billion, five hundred twenty-six million, four hundred seventy-one thousand and seventy-two.

Scientific notation

• Scientific notation: 2.1055820526471072 × 10¹⁶

Factors of 21055820526471072

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1029663390

Divisors of 21055820526471072

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 32 48 96 277 554 769 831 1108 1538 1662 2216 2307 3076 3324 4432 4614 6152 6648 8864 9228 12304 13296 18456 24608 26592 36912 73824 213013 426026 639039 852052 1278078 1704104 2556156 3408208 5112312 6816416 10224624 20449248 1029662339 2059324678 3088987017 4118649356 6177974034 8237298712 12355948068 16474597424 24711896136 32949194848 49423792272 98847584544 285216467903 570432935806 791810338691 855649403709 1140865871612 1583620677382 1711298807418 2281731743224 2375431016073 3167241354764 3422597614836 4563463486448 4750862032146 6334482709528 6845195229672 9126926972896 9501724064292 12668965419056 13690390459344 19003448128584 25337930838112 27380780918688 38006896257168 76013792514336 219331463817407 438662927634814 657994391452221 877325855269628 1315988782904442 1754651710539256 2631977565808884 3509303421078512 5263955131617768 7018606842157024 10527910263235536 21055820526471072
• Sum of all divisors σ(n): 55543199166100800
• Sum of proper divisors (its aliquot sum) s(n): 34487378639629728
• 21055820526471072 is an abundant number, because the sum of its proper divisors (34487378639629728) is greater than itself. Its abundance is 13431558113158656

Bases of 21055820526471072

• Binary: 1001010110011100010100000111110111011110100011110100000₂
• Hexadecimal: 0x4ACE283EEF47A0
• Base-36: 5RBNYEWA9PC

Squares and roots of 21055820526471072

• 21055820526471072 squared (21055820526471072²) is 443347578042960531649869652829184
• 21055820526471072 cubed (21055820526471072³) is 9335047034118203902405051584830593836128333365248
• The square root of 21055820526471072 is 145106238.7579220247
• The cube root of 21055820526471072 is 276136.6531094103

Scales and comparisons

• 21,055,820,526,471,072 seconds is equal to 669,509,962 years, 42 weeks, 1 day, 18 hours, 51 minutes, 12 seconds.
• To count from 1 to 21,055,820,526,471,072 would take you about two billion, eight million, five hundred twenty-nine thousand, eight hundred eighty-eight 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 21055820526471072 cubic inches would be around 23011.4 feet tall.

Recreational maths with 21055820526471072

• 21055820526471072 backwards is 27017462502855012
• The number of decimal digits it has is: 17
• The sum of 21055820526471072's digits is 57
• More coming soon!