21643431964943292

Names of 21643431964943292

• Cardinal: 21643431964943292 can be written as Twenty-one quadrillion, six hundred forty-three trillion, four hundred thirty-one billion, nine hundred sixty-four million, nine hundred forty-three thousand, two hundred ninety-two.

Scientific notation

• Scientific notation: 2.1643431964943292 × 10¹⁶

Factors of 21643431964943292

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 53

Divisors of 21643431964943292

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 27 28 36 41 42 49 54 63 81 82 84 98 108 123 126 147 162 164 189 196 246 252 287 294 324 343 369 378 441 492 567 574 588 686 738 756 861 882 1029 1107 1134 1148 1323 1372 1476 1681 1722 1764 2009 2058 2214 2268 2583 2646 3087 3321 3362 3444 3969 4018 4116 4428 5043 5166 5292 6027 6174 6642 6724 7749 7938 8036 9261 10086 10332 11767 12054 12348 13284 14063 15129 15498 15876 18081 18522 20172 23247 23534 24108 27783 28126 30258 30996 35301 36162 37044 42189 45387 46494 47068 54243 55566 56252 60516 68921 70602 72324 82369 84378 90774 92988 105903 108486 111132 126567 136161 137842 141204 162729 164738 168756 181548 206763 211806 216972 247107 253134 272322 275684 317709 325458 329476 379701 413526 423612 482447 494214 506268 544644 576583 620289 635418 650916 741321 759402 827052 953127 964894 988428 1139103 1153166 1240578 1270836 1447341 1482642 1518804 1729749 1860867 1906254 1929788 2223963 2278206 2306332 2481156 2825761 2894682 2965284 3377129 3459498 3721734 3812508 4342023 4447926 4556412 5189247 5582601 5651522 5789364 6671889 6754258 6918996 7443468 8477283 8684046 8895852 10131387 10378494 11165202 11303044 13026069 13343778 13508516 15567741 16954566 17368092 19780327 20262774 20756988 22330404 23639903 25431849 26052138 26687556 30394161 31135482 33909132 39078207 39560654 40525548 46703223 47279806 50863698 52104276 59340981 60788322 62270964 70919709 76295547 78156414 79121308 91182483 93406446 94559612 101727396 115856201 118681962 121576644 138462289 141839418 152591094 156312828 178022943 182364966 186812892 212759127 228886641 231712402 237363924 273547449 276924578 283678836 305182188 347568603 356045886 364729932 415386867 425518254 457773282 463424804 534068829 547094898 553849156 638277381 695137206 712091772 810993407 830773734 851036508 915546564 969236023 1042705809 1068137658 1094189796 1246160601 1276554762 1390274412 1602206487 1621986814 1661547468 1914832143 1938472046 2085411618 2136275316 2432980221 2492321202 2553109524 2907708069 3128117427 3204412974 3243973628 3738481803 3829664286 3876944092 4170823236 4750104241 4865960442 4984642404 5676953849 5815416138 6256234854 6408825948 7298940663 7476963606 7659328572 8723124207 9384352281 9500208482 9731920884 11215445409 11353907698 11630832276 12512469708 14250312723 14597881326 14953927212 17030861547 17446248414 18768704562 19000416964 21896821989 22430890818 22707815396 26169372621 28500625446 29195762652 33250729687 34061723094 34892496828 37537409124 39738676943 42750938169 43793643978 44861781636 51092584641 52338745242 57001250892 65690465967 66501459374 68123446188 78508117863 79477353886 85501876338 87587287956 99752189061 102185169282 104677490484 119216030829 128252814507 131380931934 133002918748 153277753923 157016235726 158954707772 171003752676 194754273881 199504378122 204370338564 232755107809 238432061658 256505629014 262761863868 299256567183 306555507846 314032471452 357648092487 384758443521 389508547762 399008756244 459833261769 465510215618 476864123316 513011258028 584262821643 598513134366 613111015692 698265323427 715296184974 769516887042 779017095524 897769701549 919666523538 931020431236 1072944277461 1168525643286 1197026268732 1363279917167 1396530646854 1430592369948 1539033774084 1629285754663 1752788464929 1795539403098 1839333047076 2094795970281 2145888554922 2337051286572 2693309104647 2726559834334 2793061293708 3218832832383 3258571509326 3505576929858 3591078806196 4089839751501 4189591940562 4291777109844 4887857263989 5258365394787 5386618209294 5453119668668 6284387910843 6437665664766 6517143018652 7011153859716 8179679503002 8379183881124 9542959420169 9775714527978 10516730789574 10773236418588 12269519254503 12568775821686 12875331329532 14663571791967 15775096184361 16359359006004 18853163732529 19085918840338 19551429055956 21033461579148 24539038509006 25137551643372 28628878260507 29327143583934 31550192368722 36808557763509 37706327465058 38171837680676 43990715375901 49078077018012 57257756521014 58654287167868 63100384737444 66800715941183 73617115527018 75412654930116 85886634781521 87981430751802 110425673290527 114515513042028 131972146127703 133601431882366 147234231054036 171773269563042 175962861503604 200402147823549 220851346581054 257659904344563 263944292255406 267202863764732 343546539126084 400804295647098 441702693162108 515319808689126 527888584510812 601206443470647 772979713033689 801608591294196 1030639617378252 1202412886941294 1545959426067378 1803619330411941 2404825773882588 3091918852134756 3607238660823882 5410857991235823 7214477321647764 10821715982471646 21643431964943292
• Sum of all divisors σ(n): 67632316690646400
• Sum of proper divisors (its aliquot sum) s(n): 45988884725703108
• 21643431964943292 is an abundant number, because the sum of its proper divisors (45988884725703108) is greater than itself. Its abundance is 24345452760759816

Bases of 21643431964943292

• Binary: 1001100111001001001011000110001111111011010001110111100₂
• Hexadecimal: 0x4CE49631FDA3BC
• Base-36: 5X3YFDR2NR0

Squares and roots of 21643431964943292

• 21643431964943292 squared (21643431964943292²) is 468438147221129049745260775797264
• 21643431964943292 cubed (21643431964943292³) is 10138609169164596208194036395998247769069848753088
• The square root of 21643431964943292 is 147117068.9109298833
• The cube root of 21643431964943292 is 278681.8655325477

Scales and comparisons

• 21,643,431,964,943,292 seconds is equal to 688,194,188 years, 49 weeks, 4 days, 10 hours, 28 minutes, 12 seconds.
• To count from 1 to 21,643,431,964,943,292 would take you about two billion, sixty-four million, five hundred eighty-two thousand, five hundred sixty-six 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 21643431964943292 cubic inches would be around 23223.5 feet tall.

Recreational maths with 21643431964943292

• 21643431964943292 backwards is 29234946913434612
• The number of decimal digits it has is: 17
• The sum of 21643431964943292's digits is 72
• More coming soon!