21408765173922

Names of 21408765173922

• Cardinal: 21408765173922 can be written as Twenty-one trillion, four hundred eight billion, seven hundred sixty-five million, one hundred seventy-three thousand, nine hundred twenty-two.

Scientific notation

• Scientific notation: 2.1408765173922 × 10¹³

Factors of 21408765173922

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1599

Divisors of 21408765173922

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 6 7 14 21 41 42 49 67 79 82 98 123 134 147 158 201 237 246 287 294 307 402 469 474 553 574 614 861 921 938 1093 1106 1407 1659 1722 1842 2009 2149 2186 2747 2814 3239 3279 3283 3318 3871 4018 4298 5293 5494 6027 6447 6478 6558 6566 7651 7742 8241 9717 9849 10586 11613 12054 12587 12894 15043 15302 15879 16482 19229 19434 19698 20569 22673 22953 23226 24253 25174 30086 31758 37051 37761 38458 41138 44813 45129 45346 45906 48506 53557 57687 61707 68019 72759 73231 74102 75522 86347 88109 89626 90258 107114 111153 115374 123414 134439 134603 136038 143983 145518 146462 158711 160671 169771 172694 176218 217013 219693 222306 259041 259357 264327 268878 269206 287966 313691 317422 321342 335551 339542 403809 431949 434026 439386 476133 509313 512617 518082 518714 528654 604429 616763 627382 651039 671102 778071 807618 843329 863898 941073 952266 994373 1006653 1007881 1018626 1025234 1188397 1208858 1233526 1302078 1519091 1537851 1556142 1624951 1686658 1813287 1850289 1882146 1988746 2013306 2015762 2195837 2348857 2376794 2529987 2983119 3002471 3023643 3038182 3075702 3249902 3540227 3565191 3588319 3626574 3700578 4231003 4391674 4557273 4697714 4874853 5059974 5785249 5903303 5966238 6004942 6047286 6587511 6960611 7046571 7080454 7130382 7176638 8462006 9007413 9114546 9749706 10620681 10633637 10764957 11374657 11570498 11806606 12693009 13175022 13757591 13921222 14093142 16441999 17355747 17709909 18014826 20881833 21017297 21241362 21267274 21529914 22481917 22749314 24781589 25386018 26508529 27515182 31900911 32883998 34123971 34711494 35419818 40496743 41272773 41323121 41763666 42034594 44963834 48724277 49325997 49563178 53017058 63051891 63801822 66622991 67445751 68247942 74344767 79525587 79622599 80993486 82545546 82646242 96303137 97448554 98651994 121490229 123969363 126103782 133245982 134891502 146172831 147121079 148689534 157373419 159051174 159245198 173471123 185559703 192606274 199868973 237195209 238867797 242980458 247938726 283477201 288909411 292345662 294242158 314746838 346942246 371119406 399737946 441363237 466360937 472120257 474390418 477735594 520413369 556679109 566954402 577818822 674121959 711585627 850431603 882726474 921758597 932721874 944240514 1040826738 1086849689 1101613933 1113358218 1298917921 1348243918 1399082811 1423171254 1660366463 1700863206 1776071443 1843517194 2022365877 2173699378 2203227866 2597835842 2765275791 2798165622 3260549067 3264526559 3304841799 3320732926 3552142886 3896753763 4044731754 4981099389 5328214329 5530551582 6452310179 6521098134 6529053118 6609683598 7607947823 7793507526 9793579677 9962198778 10656428658 11622565241 12432500101 12904620358 15215895646 19356930537 19587159354 22823843469 23245130482 24865000202 34867695723 37297500303 38713861074 45166171253 45647686938 53255634761 69735391446 72818929163 74595000606 87027500707 90332342506 106511269522 135498513759 145637858326 159766904283 174055001414 218456787489 261082502121 270997027518 319533808566 436913574978 509732504141 522165004242 1019465008282 1529197512423 3058395024846 3568127528987 7136255057974 10704382586961 21408765173922
• Sum of all divisors σ(n): 52658966384640
• Sum of proper divisors (its aliquot sum) s(n): 31250201210718
• 21408765173922 is an abundant number, because the sum of its proper divisors (31250201210718) is greater than itself. Its abundance is 9841436036796

Bases of 21408765173922

• Binary: 100110111100010011101110101111110000010100010₂
• Hexadecimal: 0x13789DD7E0A2
• Base-36: 7L71U0YHU

Squares and roots of 21408765173922

• 21408765173922 squared (21408765173922²) is 458335226272135482908862084
• 21408765173922 cubed (21408765173922³) is 9812391230196553825459692232241371373448
• The square root of 21408765173922 is 4626960.6842853117
• The cube root of 21408765173922 is 27767.1009703869

Scales and comparisons

• 21,408,765,173,922 seconds is equal to 680,732 years, 26 weeks, 3 days, 22 hours, 58 minutes, 42 seconds.
• To count from 1 to 21,408,765,173,922 would take you about one million, seven hundred one thousand, eight hundred thirty-one 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 21408765173922 cubic inches would be around 2313.9 feet tall.

Recreational maths with 21408765173922

• 21408765173922 backwards is 22937156780412
• The number of decimal digits it has is: 14
• The sum of 21408765173922's digits is 57
• More coming soon!