20905986017016

Names of 20905986017016

• Cardinal: 20905986017016 can be written as Twenty trillion, nine hundred five billion, nine hundred eighty-six million, seventeen thousand and sixteen.

Scientific notation

• Scientific notation: 2.0905986017016 × 10¹³

Factors of 20905986017016

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 200

Divisors of 20905986017016

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 27 36 41 47 54 72 82 94 107 108 123 141 164 188 214 216 246 282 321 328 369 376 423 428 492 564 642 738 846 856 963 984 1107 1128 1269 1284 1476 1681 1692 1926 1927 2214 2538 2568 2889 2952 3362 3384 3852 3854 4387 4428 5029 5043 5076 5778 5781 6724 7704 7708 8774 8856 10058 10086 10152 11449 11556 11562 13161 13448 15087 15129 15416 17343 17548 20116 20172 22898 23112 23124 26322 30174 30258 34347 34686 35096 39483 40232 40344 45261 45387 45796 46248 52029 52644 60348 60516 68694 69372 78966 79007 90522 90774 91592 103041 104058 105288 118449 120696 121032 135783 137388 138744 157932 158014 179867 181044 181548 206082 206189 208116 236898 237021 271566 274776 309123 315864 316028 359734 362088 363096 412164 412378 416232 469409 473796 474042 538103 539601 543132 618246 618567 632056 711063 719468 824328 824756 938818 947592 948084 1076206 1079202 1086264 1225043 1236492 1237134 1408227 1422126 1438936 1614309 1618803 1649512 1855701 1877636 1896168 2133189 2152412 2158404 2450086 2472984 2474268 2816454 2844252 3228618 3237606 3675129 3711402 3755272 4224681 4266378 4304824 4316808 4842927 4856409 4900172 4948536 5567103 5632908 5688504 6457236 6475212 7350258 7422804 8449362 8453749 8532756 9685854 9712818 9800344 11025387 11134206 11265816 12674043 12914472 12950424 14528781 14700516 14845608 16898724 16907498 17065512 19245769 19371708 19425636 22050774 22062223 22268412 25348086 25361247 29057562 29401032 33076161 33797448 33814996 38491538 38743416 38851272 44101548 44124446 44536824 50226763 50696172 50722494 57577021 57737307 58115124 66152322 66186669 67629992 76083741 76983076 88203096 88248892 100453526 101392344 101444988 115154042 115474614 116230248 132304644 132373338 150680289 152167482 153966152 172731063 173211921 176497784 198560007 200907052 202889976 228251223 230308084 230949228 264609288 264746676 301360578 304334964 345462126 346423842 397120014 401814104 452040867 456502446 460616168 461898456 518193189 519635763 529493352 595680021 602721156 608669928 690924252 692847684 794240028 904081734 904551143 913004892 1036386378 1039271526 1191360042 1205442312 1356122601 1381848504 1385695368 1554579567 1588480056 1808163468 1809102286 1826009784 2059297283 2072772756 2078543052 2360657861 2382720084 2712245202 2713653429 3109159134 3616326936 3618204572 4118594566 4145545512 4157086104 4721315722 4765440168 5424490404 5427306858 6177891849 6218318268 7081973583 7236409144 8140960287 8237189132 9442631444 10848980808 10854613716 12355783698 12436636536 14163947166 16281920574 16474378264 18533675547 18885262888 21245920749 21709227432 24422880861 24711567396 28327894332 32563841148 37067351094 42491841498 48845761722 49423134792 55601026641 56655788664 63737762247 65127682296 74134702188 84983682996 96786972301 97691523444 111202053282 127475524494 148269404376 169967365992 193573944602 195383046888 222404106564 254951048988 290360916903 387147889204 444808213128 509902097976 580721833806 774295778408 871082750709 1161443667612 1742165501418 2322887335224 2613248252127 3484331002836 5226496504254 6968662005672 10452993008508 20905986017016
• Sum of all divisors σ(n): 61363059840000
• Sum of proper divisors (its aliquot sum) s(n): 40457073822984
• 20905986017016 is an abundant number, because the sum of its proper divisors (40457073822984) is greater than itself. Its abundance is 19551087805968

Bases of 20905986017016

• Binary: 100110000001110001101110111101100011011111000₂
• Hexadecimal: 0x13038DDEC6F8
• Base-36: 7ES2SAQ60

Squares and roots of 20905986017016

• 20905986017016 squared (20905986017016²) is 437060251343668515841544256
• 20905986017016 cubed (20905986017016³) is 9137175503184232417687965899876133060096
• The square root of 20905986017016 is 4572306.4220386629
• The cube root of 20905986017016 is 27548.0091477263

Scales and comparisons

• 20,905,986,017,016 seconds is equal to 664,745 years, 35 weeks, 5 days, 18 hours, 3 minutes, 36 seconds.
• To count from 1 to 20,905,986,017,016 would take you about one million, six hundred sixty-one thousand, eight hundred sixty-four 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 20905986017016 cubic inches would be around 2295.7 feet tall.

Recreational maths with 20905986017016

• 20905986017016 backwards is 61071068950902
• 20905986017016 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 20905986017016's digits is 54
• More coming soon!