21513299517864

Names of 21513299517864

• Cardinal: 21513299517864 can be written as Twenty-one trillion, five hundred thirteen billion, two hundred ninety-nine million, five hundred seventeen thousand, eight hundred sixty-four.

Scientific notation

• Scientific notation: 2.1513299517864 × 10¹³

Factors of 21513299517864

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 624

Divisors of 21513299517864

• Number of divisors d(n): 960
• Complete list of divisors:
  1 2 3 4 6 7 8 9 11 12 14 18 21 22 24 27 28 33 36 42 44 49 54 56 63 66 72 77 81 84 88 98 99 108 121 126 132 147 154 162 168 189 196 198 216 231 242 252 264 294 297 308 324 343 363 378 392 396 441 462 484 504 539 567 588 594 601 616 648 686 693 726 756 792 847 882 891 924 968 1029 1078 1089 1134 1176 1188 1202 1323 1331 1372 1386 1452 1512 1617 1694 1764 1782 1803 1848 2058 2079 2156 2178 2268 2376 2404 2541 2646 2662 2744 2772 2904 3087 3234 3267 3388 3528 3564 3606 3773 3969 3993 4116 4158 4207 4312 4356 4536 4808 4851 5082 5292 5324 5409 5544 5929 6174 6237 6468 6534 6611 6776 7128 7212 7546 7623 7938 7986 8232 8316 8414 8712 9261 9317 9702 9801 10164 10584 10648 10818 11319 11858 11979 12348 12474 12621 12936 13068 13222 14424 14553 14641 15092 15246 15876 15972 16227 16632 16828 17787 18522 18634 19404 19602 19833 20328 21636 22638 22869 23716 23958 24696 24948 25242 26136 26444 27783 27951 29106 29282 29449 30184 30492 31752 31944 32454 33656 33957 35574 35937 37044 37268 37863 38808 39204 39666 41503 43272 43659 43923 45276 45738 46277 47432 47916 48681 49896 50484 52888 53361 55566 55902 58212 58564 58898 59499 60984 64908 65219 67914 68607 71148 71874 72721 74088 74536 75726 78408 79332 83006 83853 87318 87846 88347 90552 91476 92554 95832 97362 100968 101871 102487 106722 107811 111132 111804 113589 116424 117128 117796 118998 124509 129816 130438 131769 135828 137214 138831 142296 143748 145442 151452 158664 160083 161051 166012 167706 174636 175692 176694 178497 182952 185108 194724 195657 203742 204974 206143 213444 215622 218163 222264 223608 227178 235592 237996 249018 251559 260876 263538 265041 271656 274428 277662 287496 290884 302904 305613 307461 320166 322102 323939 332024 335412 340767 349272 351384 353388 356994 370216 373527 389448 391314 395307 407484 409948 412286 416493 426888 431244 436326 454356 456533 475992 480249 483153 498036 503118 509047 521752 527076 530082 535491 548856 555324 581768 586971 611226 614922 618429 640332 644204 647878 654489 670824 681534 706776 713988 717409 747054 754677 782628 790614 795123 799931 814968 819896 824572 832986 862488 872652 908712 913066 922383 960498 966306 971817 996072 1006236 1018094 1054152 1060164 1070982 1110648 1120581 1127357 1173942 1185921 1222452 1229844 1236858 1249479 1280664 1288408 1295756 1308978 1363068 1369599 1427976 1434818 1449459 1494108 1509354 1527141 1565256 1581228 1590246 1599862 1649144 1665972 1745304 1760913 1826132 1844766 1855287 1920996 1932612 1943634 1963467 2012472 2036188 2120328 2141964 2152227 2241162 2254714 2267573 2347884 2371842 2385369 2399793 2444904 2459688 2473716 2498958 2591512 2617956 2726136 2739198 2767149 2869636 2898918 2915451 2988216 3018708 3054282 3162456 3180492 3199724 3331944 3361743 3382071 3521826 3563329 3652264 3689532 3710574 3748437 3841992 3865224 3887268 3926934 4072376 4108797 4283928 4304454 4348377 4482324 4509428 4535146 4581423 4695768 4743684 4770738 4799586 4947432 4997916 5021863 5235912 5282739 5478396 5534298 5565861 5599517 5739272 5797836 5830902 5890401 6037416 6108564 6360984 6399448 6456681 6723486 6764142 6802719 7043652 7126658 7199379 7379064 7421148 7496874 7774536 7853868 7891499 8217594 8301447 8608908 8696754 8746353 8799241 8964648 9018856 9070292 9162846 9487368 9541476 9599172 9995832 10043726 10146213 10565478 10689987 10956792 11068596 11131722 11199034 11595672 11661804 11780802 12217128 12326391 12913362 13045131 13446972 13528284 13605438 13744269 14087304 14253316 14398758 14842296 14993748 15065589 15707736 15782998 16435188 16602894 16697583 16798551 17217816 17393508 17492706 17598482 18140584 18325692 19082952 19198344 19370043 20087452 20292426 20408157 21130956 21379974 21598137 22137192 22263444 22398068 23323608 23561604 23674497 24652782 24943303 25826724 26090262 26239059 26397723 26893944 27056568 27210876 27488538 28506632 28797516 29987496 30131178 30438639 31565996 32069961 32870376 33205788 33395166 33597102 34787016 34985412 35196964 36651384 36979173 38740086 39196619 40174904 40584852 40816314 41232807 42261912 42759948 43196274 44526888 44796136 45196767 47123208 47348994 49305564 49886606 50395653 51653448 52180524 52478118 52795446 54421752 54977076 55240493 57595032 58110129 60262356 60877278 61224471 61594687 63131992 64139922 64794411 66411576 66790332 67194204 69970824 70393928 71023491 73958346 74829909 77480172 78393238 79193169 81169704 81632628 82465614 85519896 86392548 90393534 91315917 94697988 96209883 96791651 98611128 99773212 100791306 104361048 104956236 105590892 109954152 110480986 116220258 117589857 120524712 121754556 122448942 123189374 128279844 129588822 133580664 134388408 135590301 142046982 147916692 149659818 151186959 154960344 156786476 158386338 163265256 164931228 165721479 172785096 180787068 182631834 183673413 184784061 189395976 192419766 193583302 199546424 201582612 209912472 211181784 213070473 220961972 224489727 232440516 235179714 237579507 243509112 244897884 246378748 256559688 259177644 271180602 274376333 284093964 288629649 290374953 295833384 299319636 302373918 313572952 316772676 329862456 331442958 352769571 361574136 365263668 367346826 369568122 384839532 387166604 403165224 406770903 426140946 431162809 441923944 448979454 453560877 464881032 470359428 475159014 489795768 492757496 497164437 518355288 542361204 548752666 554352183 568187928 577259298 580749906 598639272 604747836 633545352 639211419 662885916 673469181 677541557 705539142 712738521 730527336 734693652 739136244 769679064 774333208 813541806 823128999 852281892 862325618 871124859 897958908 907121754 940718856 950318028 994328874 1058308713 1084722408 1097505332 1108704366 1154518596 1161499812 1209495672 1278422838 1293488427 1325771832 1346938362 1355083114 1411078284 1425477042 1469387304 1478272488 1491493311 1627083612 1646257998 1663056549 1704563784 1724651236 1742249718 1795917816 1814243508 1900636056 1988657748 2020407543 2032624671 2116617426 2195010664 2217408732 2309037192 2322999624 2469386997 2556845676 2586976854 2613374577 2693876724 2710166228 2822156568 2850954084 2982986622 3018139663 3174926139 3254167224 3292515996 3326113098 3449302472 3484499436 3628487016 3880465281 3977315496 4040815086 4065249342 4233234852 4434817464 4474479933 4742790899 4938773994 4989169647 5113691352 5173953708 5226749154 5387753448 5420332456 5701908168 5965973244 6036279326 6097874013 6349852278 6585031992 6652226196 6968998872 7408160991 7760930562 7840123731 8081630172 8130498684 8466469704 8948959866 9054418989 9485581798 9877547988 9978339294 10347907416 10453498308 11641395843 11931946488 12072558652 12195748026 12699704556 13304452392 14228372697 14816321982 15521861124 15680247462 16163260344 16260997368 17897919732 18108837978 18293622039 18971163596 19755095976 19956678588 20906996616 22224482973 23282791686 24145117304 24391496052 25399409112 27163256967 28456745394 29632643964 31043722248 31360494924 33199536293 34924187529 35795839464 36217675956 36587244078 37942327192 39913357176 42685118091 44448965946 46565583372 48782992104 54326513934 54880866117 56913490788 59265287928 62720989848 66399072586 69848375058 72435351912 73174488156 81489770901 85370236182 88897931892 93131166744 99598608879 108653027868 109761732234 113826981576 128055354273 132798145172 139696750116 146348976312 162979541802 170740472364 177795863784 199197217758 217306055736 219523464468 244469312703 256110708546 265596290344 279393500232 298795826637 325959083604 341480944728 384166062819 398394435516 439046928936 488938625406 512221417092 597591653274 651918167208 768332125638 796788871032 896387479911 977877250812 1024442834184 1195183306548 1536664251276 1792774959822 1955754501624 2390366613096 2689162439733 3073328502552 3585549919644 5378324879466 7171099839288 10756649758932 21513299517864
• Sum of all divisors σ(n): 77426384112000
• Sum of proper divisors (its aliquot sum) s(n): 55913084594136
• 21513299517864 is an abundant number, because the sum of its proper divisors (55913084594136) is greater than itself. Its abundance is 34399785076272

Bases of 21513299517864

• Binary: 100111001000011110100100100110110000110101000₂
• Hexadecimal: 0x1390F49361A8
• Base-36: 7MJ2N2QI0

Squares and roots of 21513299517864

• 21513299517864 squared (21513299517864²) is 462822056145327414855122496
• 21513299517864 cubed (21513299517864³) is 9956829517328097412319128304607460268544
• The square root of 21513299517864 is 4638243.1499290761
• The cube root of 21513299517864 is 27812.2211840471

Scales and comparisons

• 21,513,299,517,864 seconds is equal to 684,056 years, 19 weeks, 5 days, 4 hours, 44 minutes, 24 seconds.
• To count from 1 to 21,513,299,517,864 would take you about one million, seven hundred ten thousand, one hundred forty 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 21513299517864 cubic inches would be around 2317.7 feet tall.

Recreational maths with 21513299517864

• 21513299517864 backwards is 46871599231512
• 21513299517864 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21513299517864's digits is 63
• More coming soon!