21354914412391672

Names of 21354914412391672

• Cardinal: 21354914412391672 can be written as Twenty-one quadrillion, three hundred fifty-four trillion, nine hundred fourteen billion, four hundred twelve million, three hundred ninety-one thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 2.1354914412391672 × 10¹⁶

Factors of 21354914412391672

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 177

Divisors of 21354914412391672

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 4 7 8 14 19 28 38 49 56 76 98 133 149 152 196 266 298 343 361 392 532 596 686 722 931 1043 1064 1192 1372 1444 1862 2086 2401 2527 2744 2831 2888 3724 4172 4802 5054 5662 6517 6859 7301 7448 8344 9604 10108 11324 13034 13718 14602 16807 17689 19208 19817 20216 22201 22648 26068 27436 29204 33614 35378 39634 44402 45619 48013 51107 52136 53789 54872 58408 67228 70756 79268 88804 91238 96026 102214 107578 117649 123823 134456 138719 141512 155407 158536 177608 182476 192052 204428 215156 235298 247646 277438 310814 319333 336091 357749 364952 376523 384104 408856 421819 430312 470596 495292 554876 621628 638666 672182 715498 753046 843638 866761 941192 971033 990584 1021991 1087849 1109752 1243256 1277332 1344364 1430996 1506092 1687276 1733522 1942066 2043982 2175698 2235331 2352637 2504243 2554664 2635661 2688728 2861992 2952733 3012184 3307949 3374552 3467044 3884132 4087964 4351396 4470662 4705274 5008486 5271322 5905466 6067327 6615898 6797231 6934088 7153937 7614943 7768264 8014561 8175928 8702792 8941324 9410548 10016972 10542644 11810932 12134654 13231796 13594462 14307874 15229886 16029122 16468459 17529701 17882648 18449627 18821096 20033944 20669131 21085288 23155643 23621864 24269308 26463592 27188924 28615748 30459772 32058244 32936918 35059402 36899254 41338262 42471289 46311286 47580617 48538616 50077559 53304601 54377848 56101927 57231496 60919544 62851031 64116488 65873836 70118804 73798508 82676524 84942578 92622572 95161234 100155118 106609202 112203854 115279213 125702062 129147389 131747672 140237608 144683917 147597016 152276659 162089501 165353048 169885156 185245144 190322468 200310236 213218404 224407708 230558426 251404124 258294778 289367834 304553318 324179002 333064319 339770312 350542913 373132207 380644936 392713489 400620472 426436808 439957217 448815416 461116852 502808248 516589556 578735668 609106636 648358004 666128638 701085826 746264414 785426978 806954491 879914434 904031723 922233704 1012787419 1033179112 1065936613 1134626507 1157471336 1194169589 1218213272 1296716008 1332257276 1402171652 1492528828 1570853956 1613908982 1759828868 1808063446 2025574838 2131873226 2269253014 2388339178 2453800391 2611925449 2664514552 2748994423 2804343304 2985057656 3079700519 3141707912 3227817964 3519657736 3616126892 4051149676 4263746452 4538506028 4776678356 4907600782 5223850898 5497988846 6159401038 6328222061 6455635928 7089511933 7232253784 7461556291 7942385549 8102299352 8359187123 8527492904 9077012056 9553356712 9815201564 10447701796 10995977692 12318802076 12656444122 14179023866 14923112582 15884771098 16718374246 17176602737 19242960961 19630403128 20895403592 21557903633 21991955384 22689222191 24637604152 25312888244 28358047732 29846225164 31769542196 33436748492 34353205474 38485921922 43115807266 45378444382 49626583531 50625776488 52230894037 55596698843 56716095464 58514309861 59692450328 63539084392 66873496984 68706410948 76971843844 86231614532 90756888764 99253167062 104461788074 111193397686 117028619722 120236219159 134700726727 137412821896 150905325431 153943687688 158824555337 172463229064 181513777528 198506334124 208923576148 222386795372 234057239444 240472438318 269401453454 301810650862 317649110674 365616258259 389176891901 397012668248 409600169027 417847152296 444773590744 468114478888 480944876636 538802906908 603621301724 635298221348 731232516518 778353783802 819200338054 942905087089 961889753272 1056337278017 1077605813816 1111771887359 1207242603448 1270596442696 1462465033036 1556707567604 1638400676108 1885810174178 2112674556034 2223543774718 2559313807813 2867201183189 2924930066072 3113415135208 3276801352216 3771620348356 4225349112068 4447087549436 5118627615626 5734402366378 7394360946119 7543240696712 7782403211513 8450698224136 8894175098872 10237255231252 11468804732756 14788721892238 15564806423026 17915196654691 20070408282323 20474510462504 22937609465512 29577443784476 31129612846052 35830393309382 40140816564646 54476822480591 59154887568952 62259225692104 71660786618764 80281633129292 108953644961182 140492857976261 143321573237528 160563266258584 217907289922364 280985715952522 381337757364137 435814579844728 561971431905044 762675514728274 1123942863810088 1525351029456548 2669364301548959 3050702058913096 5338728603097918 10677457206195836 21354914412391672
• Sum of all divisors σ(n): 49641818799060000
• Sum of proper divisors (its aliquot sum) s(n): 28286904386668328
• 21354914412391672 is an abundant number, because the sum of its proper divisors (28286904386668328) is greater than itself. Its abundance is 6931989974276656

Bases of 21354914412391672

• Binary: 1001011110111100010111001110111110000100110110011111000₂
• Hexadecimal: 0x4BDE2E77C26CF8
• Base-36: 5U9OO8XL4VS

Squares and roots of 21354914412391672

• 21354914412391672 squared (21354914412391672²) is 456032369560573549819307134955584
• 21354914412391672 cubed (21354914412391672³) is 9738532221246217316272850895522257405638931496448
• The square root of 21354914412391672 is 146133207.7674053933
• 21354914412391672 is a perfect cube number. Its cube root is 277438

Scales and comparisons

• 21,354,914,412,391,672 seconds is equal to 679,020,223 years, 11 weeks, 5 days, 12 hours, 47 minutes, 52 seconds.
• To count from 1 to 21,354,914,412,391,672 would take you about two billion, thirty-seven million, sixty thousand, six hundred sixty-nine 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 21354914412391672 cubic inches would be around 23119.8 feet tall.

Recreational maths with 21354914412391672

• 21354914412391672 backwards is 27619321441945312
• The number of decimal digits it has is: 17
• The sum of 21354914412391672's digits is 64
• More coming soon!