21408263626464

Names of 21408263626464

• Cardinal: 21408263626464 can be written as Twenty-one trillion, four hundred eight billion, two hundred sixty-three million, six hundred twenty-six thousand, four hundred sixty-four.

Scientific notation

• Scientific notation: 2.1408263626464 × 10¹³

Factors of 21408263626464

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 5820

Divisors of 21408263626464

• Number of divisors d(n): 960
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 13 16 18 22 24 26 27 32 33 36 39 44 48 52 54 66 72 78 79 81 88 96 99 104 108 117 131 132 143 144 156 158 162 176 198 208 216 234 237 262 264 286 288 297 312 316 324 351 352 393 396 416 429 432 468 474 524 528 572 594 624 632 648 702 711 786 792 858 864 869 891 936 948 1027 1048 1053 1056 1144 1179 1188 1248 1264 1287 1296 1404 1422 1441 1572 1584 1703 1716 1738 1782 1872 1896 2054 2096 2106 2133 2288 2358 2376 2528 2574 2592 2607 2808 2844 2882 3081 3144 3168 3406 3432 3476 3537 3564 3744 3792 3861 4108 4192 4212 4266 4323 4576 4716 4752 5109 5148 5214 5581 5616 5688 5764 6162 6288 6399 6812 6864 6952 7074 7128 7584 7722 7821 8216 8424 8532 8646 9243 9432 9504 10218 10296 10349 10428 10611 11162 11232 11297 11376 11528 11583 12324 12576 12798 12969 13624 13728 13904 14148 14256 15327 15444 15642 16432 16743 16848 17064 17292 18486 18733 18864 20436 20592 20698 20856 21222 22324 22594 22752 23056 23166 23463 24648 25596 25938 27248 27729 27808 28296 28512 30654 30888 31047 31284 32864 33486 33696 33891 34128 34584 36972 37466 37728 38907 40872 41184 41396 41712 42444 44648 45188 45981 46112 46332 46926 49296 50229 51192 51876 54496 55458 56199 56592 61308 61391 61776 62094 62568 66972 67782 68256 69168 70389 72553 73944 74932 77814 81744 82792 83187 83424 84888 89296 90376 91962 92664 93141 93852 98592 100458 101673 102384 103752 110916 112398 113184 113839 116721 122616 122782 123552 124188 125136 133944 134537 135564 137943 138336 140778 145106 147888 149864 150687 155628 163488 165584 166374 168597 169776 178592 180752 183924 184173 185328 186282 187704 200916 203346 204768 207504 217659 221832 224796 227678 233442 245232 245564 248376 250272 267888 269074 271128 275886 279423 281556 290212 295776 299728 301374 305019 311256 331168 332748 337194 339552 341517 361504 367848 368346 370656 372564 375408 401832 403611 406692 415008 435318 440899 443664 449592 452061 455356 466884 490464 491128 496752 505791 535776 538148 542256 551772 552519 558846 563112 580424 599456 602748 610038 622512 652977 665496 674388 683034 731111 735696 736692 745128 750816 798083 803664 807222 813384 838269 870636 881798 887328 899184 904122 910712 915057 933768 982256 993504 1011582 1024551 1076296 1084512 1103544 1105038 1117692 1126224 1160848 1205496 1210833 1220076 1245024 1305954 1322697 1330992 1348776 1366068 1462222 1471392 1473384 1479907 1490256 1517373 1596166 1607328 1614444 1626768 1657557 1676538 1741272 1763596 1798368 1808244 1821424 1830114 1867536 1958931 1964512 2023164 2049102 2152592 2193333 2207088 2210076 2235384 2252448 2321696 2394249 2410992 2421666 2440152 2611908 2645394 2661984 2697552 2732136 2924444 2946768 2959814 2980512 3034746 3073653 3192332 3228888 3253536 3315114 3353076 3482544 3527192 3616488 3632499 3642848 3660228 3735072 3917862 3968091 4046328 4098204 4305184 4386666 4414176 4420152 4439721 4470768 4788498 4821984 4843332 4849889 4880304 4972671 5223816 5290788 5395104 5464272 5731687 5848888 5876793 5893536 5919628 6069492 6147306 6384664 6457776 6579999 6630228 6706152 6965088 7054384 7182747 7232976 7264998 7320456 7835724 7936182 8042221 8092656 8196408 8773332 8840304 8879442 8941536 9220959 9504443 9576996 9686664 9699778 9760608 9945342 10447632 10581576 10897497 10928544 11463374 11697776 11753586 11839256 11904273 12138984 12294612 12769328 12915552 13159998 13260456 13319163 13412304 14108768 14365494 14465952 14529996 14549667 14640912 15671448 15872364 16084442 16185312 16392816 17195061 17546664 17680608 17758884 18441918 19008886 19153992 19373328 19399556 19739997 19890684 20895264 21163152 21548241 21794994 22926748 23395552 23507172 23678512 23808546 24126663 24277968 24589224 25538656 26319996 26520912 26638326 26824608 28513329 28730988 29059992 29099334 29281824 31342896 31744728 32168884 32785632 34390122 35093328 35517768 35712819 36883836 38017772 38307984 38746656 38799112 39479994 39781368 39957489 42326304 43096482 43589988 43649001 45853496 47014344 47357024 47617092 48253326 48555936 49178448 51585183 52639992 53041824 53276652 57026658 57461976 57757769 58119984 58198668 59219991 62685792 63048557 63489456 64337768 64644723 68780244 70186656 71035536 71425638 72379989 73767672 76035544 76615968 77598224 78959988 79562736 79914978 85539987 86192964 87179976 87298002 91706992 94028688 95234184 96506652 98356896 103170366 104548873 105279984 106553304 114053316 114923952 115515538 116239968 116397336 118439982 119872467 126097114 126978912 128675536 129289446 130947003 137560488 142071072 142851276 144759978 147535344 152071088 154755549 155196448 157919976 159125472 159829956 171079974 172385928 173273307 174359952 174596004 183413984 188057376 189145671 190468368 193013304 206340732 209097746 210559968 213106608 217139967 228106632 229847904 231031076 232794672 236879964 239744934 252194228 256619961 257351072 258578892 261894006 275120976 285702552 289519956 295070688 304142176 309511098 313646619 315839952 319659912 342159948 344771856 346546614 348719904 349192008 378291342 380936736 386026608 392841009 412681464 418195492 426213216 434279934 456213264 462062152 464266647 465589344 473759928 479489868 504388456 513239922 517157784 519819921 523788012 550241952 567437013 571405104 579039912 619022196 627293238 631679904 635335459 639319824 651419901 684319896 689543712 693093228 698384016 750850997 756582684 769859883 772053216 785682018 825362928 836390984 868559868 912426528 924124304 928533294 940939857 947519856 958979736 1008776912 1026479844 1034315568 1039639842 1047576024 1134874026 1142810208 1158079824 1238044392 1254586476 1270670918 1278639648 1302839802 1368639792 1386186456 1396768032 1501701994 1513165368 1539719766 1559459763 1571364036 1650725856 1672781968 1702311039 1737119736 1848248608 1857066588 1881879714 1895039712 1906006377 1917959472 2017553824 2052959688 2068631136 2079279684 2095152048 2252552991 2269748052 2316159648 2476088784 2509172952 2541341836 2605679604 2737279584 2772372912 2822819571 3003403988 3026330736 3079439532 3118919526 3142728072 3345563936 3404622078 3474239472 3714133176 3763759428 3812012754 3835918944 4105919376 4158559368 4190304096 4505105982 4539496104 4678379289 4952177568 5018345904 5082683672 5106933117 5211359208 5544745824 5645639142 5718019131 6006807976 6052661472 6158879064 6237839052 6285456144 6757658973 6809244156 6948478944 7428266352 7527518856 7624025508 8211838752 8259360967 8317118736 8468458713 9010211964 9078992208 9356758578 10036691808 10165367344 10213866234 10422718416 11291278284 11436038262 12013615952 12317758128 12475678104 12570912288 13515317946 13618488312 14856532704 15055037712 15248051016 16518721934 16634237472 16936917426 17154057393 18020423928 18157984416 18713517156 20272976919 20330734688 20427732468 20845436832 22582556568 22872076524 24027231904 24635516256 24778082901 24951356208 27030635892 27236976624 30110075424 30496102032 33037443868 33873834852 34308114786 36040847856 37427034312 40545953838 40855464936 45165113136 45744153048 49556165802 49902712416 51462172179 54061271784 54473953248 60818930757 60992204064 66074887736 67747669704 68616229572 72081695712 74334248703 74854068624 81091907676 81710929872 90330226272 91488306096 99112331604 102924344358 108122543568 121637861514 132149775472 135495339408 137232459144 148668497406 149708137248 162183815352 163421859744 182976612192 198224663208 205848688716 216245087136 223002746109 243275723028 264299550944 270990678816 274464918288 297336994812 324367630704 396449326416 411697377432 446005492218 486551446056 548929836576 594673989624 648735261408 669008238327 792898652832 823394754864 892010984436 973102892112 1189347979248 1338016476654 1646789509728 1784021968872 1946205784224 2378695958496 2676032953308 3568043937744 5352065906616 7136087875488 10704131813232 21408263626464
• Sum of all divisors σ(n): 75489917690880
• Sum of proper divisors (its aliquot sum) s(n): 54081654064416
• 21408263626464 is an abundant number, because the sum of its proper divisors (54081654064416) is greater than itself. Its abundance is 32673390437952

Bases of 21408263626464

• Binary: 100110111100001111111111100101101111011100000₂
• Hexadecimal: 0x13787FF2DEE0
• Base-36: 7L6TJF200

Squares and roots of 21408263626464

• 21408263626464 squared (21408263626464²) is 458313751500181536521143296
• 21408263626464 cubed (21408263626464³) is 9811701615749596901398466836636361785344
• The square root of 21408263626464 is 4626906.4855974775
• The cube root of 21408263626464 is 27766.8841335359

Scales and comparisons

• 21,408,263,626,464 seconds is equal to 680,716 years, 29 weeks, 2 days, 14 minutes, 24 seconds.
• To count from 1 to 21,408,263,626,464 would take you about one million, seven hundred one thousand, seven 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 21408263626464 cubic inches would be around 2313.9 feet tall.

Recreational maths with 21408263626464

• 21408263626464 backwards is 46462636280412
• 21408263626464 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21408263626464's digits is 54
• More coming soon!