21447031636836

Names of 21447031636836

• Cardinal: 21447031636836 can be written as Twenty-one trillion, four hundred forty-seven billion, thirty-one million, six hundred thirty-six thousand, eight hundred thirty-six.

Scientific notation

• Scientific notation: 2.1447031636836 × 10¹³

Factors of 21447031636836

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 751

Divisors of 21447031636836

• Number of divisors d(n): 297
• Complete list of divisors:
  1 2 3 4 6 9 12 13 18 26 27 36 39 52 54 78 81 108 117 156 162 169 234 243 324 338 351 468 486 507 676 702 729 733 972 1014 1053 1404 1458 1466 1521 2028 2106 2187 2199 2916 2932 3042 3159 4212 4374 4398 4563 6084 6318 6561 6597 8748 8796 9126 9477 9529 12636 13122 13194 13689 18252 18954 19058 19683 19791 26244 26388 27378 28431 28587 37908 38116 39366 39582 41067 54756 56862 57174 59049 59373 78732 79164 82134 85293 85761 113724 114348 118098 118746 123201 123877 164268 170586 171522 178119 236196 237492 246402 247754 255879 257283 341172 343044 356238 369603 371631 492804 495508 511758 514566 534357 537289 712476 739206 743262 767637 771849 1023516 1029132 1068714 1074578 1108809 1114893 1478412 1486524 1535274 1543698 1603071 1611867 2137428 2149156 2217618 2229786 2315547 3070548 3087396 3206142 3223734 3326427 3344679 4435236 4459572 4631094 4809213 4835601 6412284 6447468 6652854 6689358 6946641 6984757 9262188 9618426 9671202 9979281 10034037 13305708 13378716 13893282 13969514 14427639 14506803 19236852 19342404 19958562 20068074 20839923 20954271 27786564 27939028 28855278 29013606 30102111 39917124 40136148 41679846 41908542 43282917 43520409 57710556 58027212 60204222 62519769 62862813 83359692 83817084 86565834 87040818 90306333 90801841 120408444 125039538 125725626 130561227 173131668 174081636 180612666 181603682 187559307 188588439 250079076 251451252 261122454 270918999 272405523 361225332 363207364 375118614 377176878 391683681 522244908 541837998 544811046 562677921 565765317 750237228 754353756 783367362 812756997 817216569 1083675996 1089622092 1125355842 1131530634 1175051043 1566734724 1625513994 1634433138 1697295951 2250711684 2263061268 2350102086 2438270991 2451649707 3251027988 3268866276 3394591902 3525153129 4700204172 4876541982 4903299414 5091887853 6789183804 7050306258 7314812973 7354949121 9753083964 9806598828 10183775706 10575459387 14100612516 14629625946 14709898242 15275663559 20367551412 21150918774 22064847363 29259251892 29419796484 30551327118 31726378161 42301837548 44129694726 45826990677 61102654236 63452756322 66194542089 88259389452 91653981354 126905512644 132389084178 137480972031 183307962708 198583626267 264778168356 274961944062 397167252534 412442916093 549923888124 595750878801 794334505068 824885832186 1191501757602 1649771664372 1787252636403 2383003515204 3574505272806 5361757909209 7149010545612 10723515818418 21447031636836
• Sum of all divisors σ(n): 61045172620299
• Sum of proper divisors (its aliquot sum) s(n): 39598140983463
• 21447031636836 is an abundant number, because the sum of its proper divisors (39598140983463) is greater than itself. Its abundance is 18151109346627

Bases of 21447031636836

• Binary: 100111000000110000110101100111100001101100100₂
• Hexadecimal: 0x138186B3C364
• Base-36: 7LOMOW290

Squares and roots of 21447031636836

• 21447031636836 squared (21447031636836²) is 459975166031444273392090896
• 21447031636836 cubed (21447031636836³) is 9865101938035277141013493891255373845056
• 21447031636836 is a perfect square number. Its square root is 4631094
• The cube root of 21447031636836 is 27783.6349505119

Scales and comparisons

• 21,447,031,636,836 seconds is equal to 681,949 years, 13 weeks, 5 days, 20 hours, 36 seconds.
• To count from 1 to 21,447,031,636,836 would take you about one million, seven hundred four thousand, eight hundred seventy-three 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 21447031636836 cubic inches would be around 2315.3 feet tall.

Recreational maths with 21447031636836

• 21447031636836 backwards is 63863613074412
• 21447031636836 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21447031636836's digits is 54
• More coming soon!