20918583015018

Names of 20918583015018

• Cardinal: 20918583015018 can be written as Twenty trillion, nine hundred eighteen billion, five hundred eighty-three million, fifteen thousand and eighteen.

Scientific notation

• Scientific notation: 2.0918583015018 × 10¹³

Factors of 20918583015018

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 74

Divisors of 20918583015018

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 6 13 19 26 37 38 39 57 74 78 111 114 169 222 247 338 361 481 494 507 703 722 741 962 1014 1083 1369 1406 1443 1482 2109 2166 2197 2738 2886 3211 4107 4218 4394 4693 6253 6422 6591 6859 8214 9139 9386 9633 12506 13182 13357 13718 14079 17797 18278 18759 19266 20577 26011 26714 27417 28158 28561 35594 37518 40071 41154 41743 52022 53391 54834 57122 61009 78033 80142 81289 83486 85683 89167 106782 118807 122018 125229 156066 162578 171366 173641 178334 183027 231361 237614 243867 250458 253783 267501 338143 347282 356421 366054 371293 462722 487734 494209 507566 520923 535002 542659 676286 694083 712842 742586 761349 793117 988418 1014429 1041846 1056757 1085318 1113879 1159171 1388166 1482627 1522698 1544491 1586234 1627977 2028858 2113514 2227758 2257333 2318342 2379351 2965254 3007693 3088982 3170271 3255954 3299179 3477513 4395859 4514666 4633473 4758702 6015386 6340542 6424717 6598358 6771999 6955026 7054567 8791718 9023079 9266946 9389971 9897537 10310521 12849434 13187577 13543998 13737841 14109134 15069223 18046158 18779942 19274151 19795074 20078383 20621042 21163701 26375154 27475682 28169913 29345329 30138446 30931563 38548302 39100009 40156766 41213523 42327402 42889327 45207669 56339826 57146167 58690658 60235149 61863126 78200018 82427046 83521321 85778654 88035987 90415338 114292334 117300027 120470298 122069623 128667981 134036773 167042642 171438501 176071974 195899899 234600054 244139246 250563963 257335962 261018979 268073546 342877002 366208869 381489277 391799798 402110319 501127926 508300117 522037958 557561251 587699697 732417738 742900171 762978554 783056937 804220638 1016600234 1085777173 1115122502 1144467831 1175399394 1485800342 1524900351 1566113874 1586905099 1672683753 2171554346 2228700513 2288935662 2546698687 3049800702 3173810198 3257331519 3345367506 4457401026 4760715297 4959360601 5093397374 6514663038 7248296263 7640096061 9521430594 9657702223 9918721202 14115103249 14496592526 14878081803 15280192122 19315404446 20629766287 21744888789 28230206498 28973106669 29756163606 41259532574 42345309747 43489777578 57946213338 61889298861 84690619494 94227851419 123778597722 183496342237 188455702838 268186961731 282683554257 366992684474 536373923462 550489026711 565367108514 804560885193 1100978053422 1609121770386 3486430502503 6972861005006 10459291507509 20918583015018
• Sum of all divisors σ(n): 49169148517440
• Sum of proper divisors (its aliquot sum) s(n): 28250565502422
• 20918583015018 is an abundant number, because the sum of its proper divisors (28250565502422) is greater than itself. Its abundance is 7331982487404

Bases of 20918583015018

• Binary: 100110000011001111100101101011011011001101010₂
• Hexadecimal: 0x13067CB5B66A
• Base-36: 7EXV48416

Squares and roots of 20918583015018

• 20918583015018 squared (20918583015018²) is 437587115356199559213540324
• 20918583015018 cubed (20918583015018³) is 9153702398880918342391262971709840585832
• The square root of 20918583015018 is 4573683.7467207983
• The cube root of 20918583015018 is 27553.5410966345

Scales and comparisons

• 20,918,583,015,018 seconds is equal to 665,146 years, 12 weeks, 1 day, 8 hours, 10 minutes, 18 seconds.
• To count from 1 to 20,918,583,015,018 would take you about one million, six hundred sixty-two thousand, eight hundred sixty-five 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 20918583015018 cubic inches would be around 2296.1 feet tall.

Recreational maths with 20918583015018

• 20918583015018 backwards is 81051038581902
• The number of decimal digits it has is: 14
• The sum of 20918583015018's digits is 51
• More coming soon!