21031562244

Names of 21031562244

• Cardinal: 21031562244 can be written as Twenty-one billion, thirty-one million, five hundred sixty-two thousand, two hundred forty-four.

Scientific notation

• Scientific notation: 2.1031562244 × 10¹⁰

Factors of 21031562244

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 372

Divisors of 21031562244

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 6 7 11 12 14 21 22 28 33 42 44 49 66 77 84 98 121 132 147 154 196 231 242 294 308 343 349 363 462 484 539 588 686 698 726 847 924 1029 1047 1078 1331 1372 1396 1452 1617 1694 2058 2094 2156 2443 2541 2662 3234 3388 3773 3839 3993 4116 4188 4886 5082 5324 5929 6468 7329 7546 7678 7986 9317 9772 10164 11319 11517 11858 14641 14658 15092 15356 15972 17101 17787 18634 22638 23034 23716 26873 27951 29282 29316 34202 35574 37268 41503 42229 43923 45276 46068 51303 53746 55902 58564 65219 68404 71148 80619 83006 84458 87846 102487 102606 107492 111804 119707 124509 126687 130438 161238 166012 168916 175692 188111 195657 204974 205212 239414 249018 253374 260876 295603 307461 322476 359121 376222 391314 409948 456533 464519 478828 498036 506748 564333 591206 614922 717409 718242 752444 782628 886809 913066 929038 1128666 1182412 1229844 1316777 1369599 1393557 1434818 1436484 1773618 1826132 1858076 2069221 2152227 2257332 2633554 2739198 2787114 2869636 3251633 3547236 3950331 4138442 4304454 5021863 5109709 5267108 5478396 5574228 6207663 6503266 7900662 8276884 8608908 9754899 10043726 10219418 12415326 13006532 14484547 15065589 15329127 15801324 19509798 20087452 20438836 22761431 24830652 28969094 30131178 30658254 35767963 39019596 43453641 45522862 57938188 60262356 61316508 68284293 71535926 86907282 91045724 107303889 136568586 143071852 159330017 173814564 214607778 250375741 273137172 318660034 429215556 477990051 500751482 637320068 751127223 955980102 1001502964 1502254446 1752630187 1911960204 3004508892 3505260374 5257890561 7010520748 10515781122 21031562244
• Sum of all divisors σ(n): 63131600000
• Sum of proper divisors (its aliquot sum) s(n): 42100037756
• 21031562244 is an abundant number, because the sum of its proper divisors (42100037756) is greater than itself. Its abundance is 21068475512

Bases of 21031562244

• Binary: 10011100101100101000010110000000100₂
• Hexadecimal: 0x4E5942C04
• Base-36: 9NTNDAC

Squares and roots of 21031562244

• 21031562244 squared (21031562244²) is 442326610423246315536
• 21031562244 cubed (21031562244³) is 9302819639294044069739048222784
• The square root of 21031562244 is 145022.6266621867
• The cube root of 21031562244 is 2760.3056724045

Scales and comparisons

• 21,031,562,244 seconds is equal to 668 years, 38 weeks, 2 days, 20 hours, 37 minutes, 24 seconds.
• To count from 1 to 21,031,562,244 would take you about one thousand, three hundred thirty-seven 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 21031562244 cubic inches would be around 230 feet tall.

Recreational maths with 21031562244

• 21031562244 backwards is 44226513012
• The number of decimal digits it has is: 11
• The sum of 21031562244's digits is 30
• More coming soon!