21105087120810

Names of 21105087120810

• Cardinal: 21105087120810 can be written as Twenty-one trillion, one hundred five billion, eighty-seven million, one hundred twenty thousand, eight hundred ten.

Scientific notation

• Scientific notation: 2.110508712081 × 10¹³

Factors of 21105087120810

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 378

Divisors of 21105087120810

• Number of divisors d(n): 972
• Complete list of divisors:
  1 2 3 5 6 7 9 10 11 14 15 18 19 21 22 30 33 35 38 42 45 49 55 57 63 66 70 77 90 95 98 99 105 110 114 121 126 133 147 154 165 171 190 198 209 210 231 242 245 266 285 294 315 330 331 342 361 363 385 399 418 441 462 490 495 539 570 605 627 630 662 665 693 722 726 735 770 798 847 855 882 931 990 993 1045 1078 1083 1089 1155 1197 1210 1254 1330 1386 1463 1470 1617 1655 1694 1710 1805 1815 1862 1881 1986 1995 2090 2166 2178 2205 2299 2310 2317 2394 2527 2541 2695 2793 2926 2979 3135 3234 3249 3310 3465 3610 3630 3641 3762 3971 3990 4235 4389 4410 4598 4634 4655 4851 4965 5054 5082 5390 5415 5445 5586 5929 5958 5985 6270 6289 6498 6897 6930 6951 7282 7315 7581 7623 7942 8085 8379 8470 8778 9310 9405 9702 9930 10241 10830 10890 10923 11495 11585 11858 11913 11970 12578 12635 12705 13167 13794 13902 13965 14630 14895 15162 15246 16093 16170 16219 16245 16758 17689 17787 18205 18810 18867 19855 20482 20691 20853 21846 21945 22743 22990 23170 23826 24255 25270 25410 25487 26334 27797 27930 29645 29790 30723 31445 32186 32438 32490 32769 34485 34755 35378 35574 35739 36410 37734 37905 38115 39710 40051 41382 41706 41895 43681 43890 44023 45486 48279 48510 48657 50974 51205 53067 53361 54615 55594 56601 59290 59565 61446 62890 65538 65835 68970 69179 69510 71478 75810 76230 76461 80102 80465 81095 83391 83790 87362 88046 88445 88935 92169 94335 96558 97314 102410 103455 104265 106134 106722 109230 109561 112651 113202 113715 119130 119491 120153 127435 131043 131670 132069 138358 138985 144837 145971 152922 153615 159201 160930 162190 163845 166782 176890 177870 178409 178695 184338 188670 194579 200255 206910 207537 208530 218405 219122 220115 225302 227430 229383 238982 240306 241395 243285 250173 254870 262086 264138 265335 266805 277970 280357 283005 289674 291942 305767 307230 308161 318402 327690 328683 337953 345895 356818 357390 358473 360459 382305 389158 393129 396207 400510 415074 416955 436810 440230 458766 460845 482790 484253 486570 500346 530670 533610 535227 547805 560714 563255 566010 583737 597455 600765 611534 616322 622611 655215 657366 660345 675906 691790 716946 720918 724185 729855 760969 764610 766927 786258 792414 796005 833910 836437 841071 892045 917301 921690 924483 968506 972895 986049 1013859 1037685 1070454 1075419 1095610 1126510 1146915 1167474 1194910 1201530 1205171 1245222 1250865 1310430 1314401 1320690 1401785 1448370 1452759 1459710 1521938 1528835 1533854 1540805 1592010 1605681 1643415 1672874 1682142 1689765 1751211 1784090 1792365 1802295 1834602 1848966 1945790 1962499 1965645 1972098 1981035 2027718 2075370 2081659 2140369 2150838 2282907 2293830 2300781 2410342 2421265 2501730 2509311 2523213 2628802 2676135 2751903 2773449 2803570 2905518 2918685 3057670 3081610 3113055 3211362 3286830 3379530 3389771 3502422 3584730 3604590 3615513 3804845 3834635 3924998 3931290 3943203 3962070 4163318 4182185 4205355 4280738 4358277 4565814 4586505 4601562 4622415 4842530 4930245 5018622 5046426 5069295 5326783 5352270 5368489 5377095 5503806 5546898 5837370 5855059 5887497 6025855 6226110 6244977 6421107 6572005 6779542 6848721 6902343 7231026 7263795 7527933 7609690 7669270 7886406 8028405 8364370 8410710 8436197 8716554 8756055 9173010 9200807 9244830 9812495 9860490 10138590 10169313 10408295 10653566 10701845 10736978 10754190 10846539 11414535 11503905 11710118 11774994 11829609 12051710 12489954 12546555 12616065 12842214 13144010 13256881 13697442 13759515 13804686 13867245 14458411 14527590 14571613 15055866 15980349 16056810 16105467 16872394 16948855 17512110 17565177 17662491 18077565 18401614 18734931 19263321 19624990 19716015 20338626 20816590 21403690 21693078 21791385 22829070 22898249 23007810 23659218 25093110 25232130 25308591 26513762 26633915 26842445 27519030 27602421 27734490 28916822 29143226 29275295 29437485 30507939 31224885 31960698 32105535 32210934 33897710 34243605 34511715 35130354 35324982 36155130 37287481 37469862 37639665 38526642 39432030 39551521 39770643 42180985 43375233 43582770 43714839 45796498 46004035 47941047 48316401 50617182 50846565 52695531 53267830 53684890 54232695 55204842 58550590 58874970 59053379 59148045 61015878 62449770 64211070 64405649 66284405 68487210 68694747 69023430 72292055 72858065 74574962 75279330 75925773 79103042 79541286 79901745 80527335 82807263 84361970 86750466 87429678 87825885 88312455 92008070 92798167 93674655 95882094 96316605 96632802 101208877 101693130 102001291 105391062 108465390 111862443 114491245 118106758 118296090 118654563 119311929 126542955 128811298 130125699 131144517 132568810 137389494 138012105 144584110 145716130 151851546 152539695 159803490 160287743 161054670 165614526 175651770 176624910 177160137 185596334 186437405 187349310 192633210 193216947 197757605 198853215 202417754 204002582 206084241 216876165 218574195 223724886 228982490 237309126 238623858 239705235 241582005 251880739 253085910 260251398 262289034 263477655 276024210 276860647 278394501 295266895 303626631 305079390 306003873 320575486 322028245 335587329 343473735 354320274 355963689 372874810 379628865 386433894 395515210 397706430 412168482 414036315 433752330 435066731 437148390 463990835 479410470 480863229 483164010 503761478 506044385 510006455 526955310 531480411 553721294 556789002 559312215 579650841 590533790 593272815 596559645 607253262 612007746 644056490 649587169 650628495 655722585 671174658 686947470 708462139 711927378 755642217 759257730 801438715 828072630 830581941 835183503 870133462 885800685 910879893 918011619 927981670 961726458 966084735 1012088770 1020012910 1030421205 1062960822 1118624430 1122014201 1159301682 1186545630 1193119290 1259403695 1299174338 1301256990 1305200193 1311445170 1384303235 1391972505 1416924278 1442589687 1511284434 1518133155 1530019365 1602877430 1661163882 1670367006 1677936645 1763165173 1771601370 1779818445 1821759786 1836023238 1932169470 1938024529 1948761507 2060842410 2125386417 2175333655 2244028402 2266926651 2404316145 2491745823 2518807390 2610400386 2657402055 2768606470 2783945010 2885179374 2898254205 3036266310 3045467117 3060038730 3247935845 3355873290 3366042603 3526330346 3542310695 3559636890 3778211085 3876049058 3897523014 3915600579 4152909705 4175917515 4250772834 4350667310 4533853302 4554399465 4590058095 4785734041 4808632290 4983491646 5289495519 5314804110 5610071005 5796508410 5814073587 5846284521 6090934234 6376159251 6495871690 6526000965 6732085206 7084621390 7212948435 7556422170 7831201158 8305819410 8351835030 8815825865 9108798930 9136401351 9180116190 9571468082 9690122645 9743807535 10098127809 10578991038 10626932085 11220142010 11334633255 11628147174 11692569042 12342156211 12458729115 12752318502 13052001930 14357202123 14425896870 15227335585 15868486557 16830213015 17442220761 17631651730 18272802702 19380245290 19487615070 19578002895 20196255618 21253864170 21318269819 22669266510 23928670205 24684312422 24917458230 26447477595 27409204053 28714404246 29070367935 29231422605 30454671170 31736973114 31880796255 33500138287 33660426030 34884441522 37026468633 39156005790 42636539638 43071606369 45682006755 47857340410 50490639045 52894955190 54818408106 58140735870 58462845210 61710781055 63761592510 63954809457 67000276574 71786010615 74052937266 79342432785 86143212738 87211103805 91364013510 100500414861 100981278090 106591349095 111079405899 123421562110 127909618914 137046020265 143572021230 158684865570 167500691435 174422207610 185132343165 191864428371 201000829722 213182698190 215358031845 222158811798 234500968009 274092040530 301501244583 319774047285 335001382870 370264686330 383728856742 430716063690 469001936018 502502074305 555397029495 603002489166 639548094570 703502904027 959322141855 1005004148610 1110794058990 1172504840045 1407005808054 1507506222915 1918644283710 2110508712081 2345009680090 3015012445830 3517514520135 4221017424162 7035029040270 10552543560405 21105087120810
• Sum of all divisors σ(n): 74274093357282
• Sum of proper divisors (its aliquot sum) s(n): 53169006236472
• 21105087120810 is an abundant number, because the sum of its proper divisors (53169006236472) is greater than itself. Its abundance is 32063919115662

Bases of 21105087120810

• Binary: 100110011000111101001001110001000010110101010₂
• Hexadecimal: 0x1331E93885AA
• Base-36: 7HBJJYD2I

Squares and roots of 21105087120810

• 21105087120810 squared (21105087120810²) is 445424702376980135535056100
• 21105087120810 cubed (21105087120810³) is 9400727149427030851902120714370827441000
• The square root of 21105087120810 is 4594027.3313085545
• The cube root of 21105087120810 is 27635.1854344433

Scales and comparisons

• 21,105,087,120,810 seconds is equal to 671,076 years, 25 weeks, 2 days, 16 hours, 13 minutes, 30 seconds.
• To count from 1 to 21,105,087,120,810 would take you about one million, six hundred seventy-seven thousand, six hundred ninety-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 21105087120810 cubic inches would be around 2302.9 feet tall.

Recreational maths with 21105087120810

• 21105087120810 backwards is 01802178050112
• The number of decimal digits it has is: 14
• The sum of 21105087120810's digits is 36
• More coming soon!