21086246272

Names of 21086246272

• Cardinal: 21086246272 can be written as Twenty-one billion, eighty-six million, two hundred forty-six thousand, two hundred seventy-two.

Scientific notation

• Scientific notation: 2.1086246272 × 10¹⁰

Factors of 21086246272

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1216

Divisors of 21086246272

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 7 8 13 14 16 26 28 32 52 56 64 91 104 112 128 131 169 182 208 224 262 338 364 416 448 524 676 728 832 896 917 1048 1063 1183 1352 1456 1664 1703 1834 2096 2126 2366 2704 2912 3406 3668 4192 4252 4732 5408 5824 6812 7336 7441 8384 8504 9464 10816 11648 11921 13624 13819 14672 14882 16768 17008 18928 21632 22139 23842 27248 27638 29344 29764 34016 37856 44278 47684 54496 55276 58688 59528 68032 75712 88556 95368 96733 108992 110552 117376 119056 136064 139253 151424 154973 177112 179647 190736 193466 217984 221104 238112 278506 309946 354224 359294 381472 386932 442208 476224 557012 619892 708448 718588 762944 773864 884416 952448 974771 1114024 1239784 1257529 1416896 1437176 1525888 1547728 1768832 1810289 1949542 2228048 2479568 2515058 2833792 2874352 3095456 3620578 3899084 4456096 4959136 5030116 5748704 6190912 7241156 7798168 8912192 9918272 10060232 11497408 12381824 12672023 14482312 15596336 17824384 19836544 20120464 22994816 23533757 25344046 28964624 31192672 40240928 47067514 50688092 57929248 62385344 80481856 94135028 101376184 115858496 124770688 160963712 164736299 188270056 202752368 231716992 329472598 376540112 405504736 658945196 753080224 811009472 1317890392 1506160448 1622018944 2635780784 3012320896 5271561568 10543123136 21086246272
• Sum of all divisors σ(n): 52432047360
• Sum of proper divisors (its aliquot sum) s(n): 31345801088
• 21086246272 is an abundant number, because the sum of its proper divisors (31345801088) is greater than itself. Its abundance is 10259554816

Bases of 21086246272

• Binary: 10011101000110101101001010110000000₂
• Hexadecimal: 0x4E8D69580
• Base-36: 9OQ7FR4

Squares and roots of 21086246272

• 21086246272 squared (21086246272²) is 444629781843433897984
• 21086246272 cubed (21086246272³) is 9375573079816281319043548315648
• The square root of 21086246272 is 145211.0404618051
• The cube root of 21086246272 is 2762.6959528821

Scales and comparisons

• 21,086,246,272 seconds is equal to 670 years, 24 weeks, 5 days, 18 hours, 37 minutes, 52 seconds.
• To count from 1 to 21,086,246,272 would take you about one thousand, three hundred forty 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 21086246272 cubic inches would be around 230.2 feet tall.

Recreational maths with 21086246272

• 21086246272 backwards is 27264268012
• The number of decimal digits it has is: 11
• The sum of 21086246272's digits is 40
• More coming soon!