21421291842896

Names of 21421291842896

• Cardinal: 21421291842896 can be written as Twenty-one trillion, four hundred twenty-one billion, two hundred ninety-one million, eight hundred forty-two thousand, eight hundred ninety-six.

Scientific notation

• Scientific notation: 2.1421291842896 × 10¹³

Factors of 21421291842896

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 657

Divisors of 21421291842896

• Number of divisors d(n): 400
• Complete list of divisors:
  1 2 4 8 11 16 19 22 38 44 61 76 88 121 122 152 176 209 242 244 257 304 307 418 484 488 514 614 671 836 968 976 1028 1159 1228 1331 1342 1672 1936 2056 2299 2318 2456 2662 2684 2827 3344 3377 4112 4598 4636 4883 4912 5324 5368 5654 5833 6754 7381 9196 9272 9766 10648 10736 11308 11666 12749 13508 14641 14762 15677 18392 18544 18727 19532 21296 22616 23332 25289 25498 27016 29282 29524 31097 31354 36784 37147 37454 39064 45232 46664 50578 50996 53713 54032 58564 59048 62194 62708 64163 74294 74908 78128 78899 81191 93328 101156 101992 107426 117128 118096 124388 125416 128326 140239 148588 149816 157798 162382 172447 202312 203984 205997 214852 234256 248776 250832 256652 278179 280478 297176 297863 299632 315596 324764 342067 344894 355813 404624 408617 411994 429704 497552 513304 556358 560956 590843 594352 595726 631192 649528 684134 689788 705793 711626 817234 823988 859408 867889 893101 1026608 1112716 1121912 1181686 1191452 1262384 1299056 1368268 1379576 1411586 1423252 1499081 1542629 1634468 1647976 1735778 1786202 1896917 2225432 2243824 2265967 2363372 2382904 2736536 2759152 2823172 2846504 2998162 3085258 3268936 3276493 3295952 3471556 3572404 3762737 3793834 3913943 4450864 4494787 4531934 4726744 4765808 4812839 5473072 5646344 5693008 5996324 6170516 6499273 6537872 6552986 6943112 7144808 7525474 7587668 7763723 7827886 8989574 9063868 9453488 9546779 9625678 11292688 11992648 12341032 12998546 13105972 13886224 14289616 15050948 15175336 15527446 15655772 16489891 16968919 17979148 18127736 19093558 19251356 20866087 23985296 24682064 24925637 25997092 26211944 30101896 30350672 31054892 31311544 32979782 33937838 35958296 36041423 36255472 38187116 38502712 41732174 43053373 49851274 51994184 52423888 52941229 60203792 62109784 62623088 65959564 67875676 71492003 71916592 72082846 76374232 77005424 83464348 85400953 86106746 91443941 99702548 103988368 105014569 105882458 124219568 131919128 135751352 142984006 144165692 152748464 166928696 170801906 172213492 181388801 182887882 199405096 210029138 211764916 229526957 263838256 271502704 274182007 285968012 288331384 333857392 341603812 344426984 362777602 365775764 396455653 398810192 420058276 423529832 459053914 473587103 548364014 571936024 576662768 582353519 683207624 688853968 725555204 731551528 792911306 840116552 847059664 918107828 947174206 1005883351 1096728028 1143872048 1155160259 1164707038 1366415248 1451110408 1463103056 1585822612 1680233104 1836215656 1894348412 1995276811 2011766702 2193456056 2310320518 2329414076 2902220816 3171645224 3672431312 3788696824 3990553622 4023533404 4361012183 4386912112 4620641036 4658828152 5209458133 6343290448 6405888709 7577393648 7981107244 8047066808 8722024366 9241282072 9317656304 10418916266 11064716861 12811777418 15962214488 16094133616 17444048732 18482564144 20837832532 21948044921 22129433722 25623554836 31924428976 34888097464 41675665064 43896089842 44258867444 51247109672 69776194928 70464775799 83351330128 87792179684 88517734888 102494219344 121711885471 140929551598 175584359368 177035469776 243423770942 281859103196 351168718736 486847541884 563718206392 973695083768 1127436412784 1338830740181 1947390167536 2677661480362 5355322960724 10710645921448 21421291842896
• Sum of all divisors σ(n): 49194271156800
• Sum of proper divisors (its aliquot sum) s(n): 27772979313904
• 21421291842896 is an abundant number, because the sum of its proper divisors (27772979313904) is greater than itself. Its abundance is 6351687471008

Bases of 21421291842896

• Binary: 100110111101110001000011111011010110101010000₂
• Hexadecimal: 0x137B887DAD50
• Base-36: 7LCT02Y4W

Squares and roots of 21421291842896

• 21421291842896 squared (21421291842896²) is 458871744218522707945666816
• 21421291842896 cubed (21421291842896³) is 9829625551363700231828057491150232539136
• The square root of 21421291842896 is 4628314.1469541585
• The cube root of 21421291842896 is 27772.5155978531

Scales and comparisons

• 21,421,291,842,896 seconds is equal to 681,130 years, 42 weeks, 4 days, 13 hours, 14 minutes, 56 seconds.
• To count from 1 to 21,421,291,842,896 would take you about one million, seven hundred two thousand, eight hundred twenty-seven 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 21421291842896 cubic inches would be around 2314.4 feet tall.

Recreational maths with 21421291842896

• 21421291842896 backwards is 69824819212412
• The number of decimal digits it has is: 14
• The sum of 21421291842896's digits is 59
• More coming soon!