21001968064512

Names of 21001968064512

• Cardinal: 21001968064512 can be written as Twenty-one trillion, one billion, nine hundred sixty-eight million, sixty-four thousand, five hundred twelve.

Scientific notation

• Scientific notation: 2.1001968064512 × 10¹³

Factors of 21001968064512

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 213

Divisors of 21001968064512

• Number of divisors d(n): 600
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 29 32 36 48 54 58 64 72 81 87 96 108 116 128 144 162 174 179 192 216 232 256 261 288 324 348 358 384 432 464 512 522 537 576 648 696 716 768 783 841 864 928 1024 1044 1074 1152 1296 1392 1432 1536 1566 1611 1682 1728 1856 2048 2088 2148 2304 2349 2523 2592 2784 2864 3072 3132 3222 3364 3456 3712 4176 4296 4608 4698 4833 5046 5184 5191 5568 5728 6144 6264 6444 6728 6912 7424 7569 8352 8592 9216 9396 9666 10092 10368 10382 11136 11456 12528 12888 13456 13824 14499 14848 15138 15573 16704 17184 18432 18792 19332 20184 20736 20764 22272 22707 22912 24389 25056 25776 26912 27648 28998 29696 30276 31146 33408 34368 37584 38664 40368 41472 41528 44544 45414 45824 46719 48778 50112 51552 53824 55296 57996 59392 60552 62292 66816 68121 68736 73167 75168 77328 80736 82944 83056 89088 90828 91648 93438 97556 100224 103104 107648 115992 121104 124584 133632 136242 137472 140157 146334 150336 150539 154656 161472 165888 166112 178176 181656 183296 186876 195112 200448 206208 215296 219501 231984 242208 249168 267264 272484 274944 280314 292668 300672 301078 309312 322944 332224 363312 366592 373752 390224 400896 412416 420471 430592 439002 451617 463968 484416 498336 534528 544968 549888 560628 585336 601344 602156 618624 645888 658503 664448 707281 726624 747504 780448 801792 824832 840942 861184 878004 903234 927936 968832 996672 1089936 1099776 1121256 1170672 1202688 1204312 1237248 1291776 1317006 1328896 1354851 1414562 1453248 1495008 1560896 1603584 1649664 1681884 1722368 1756008 1806468 1855872 1937664 1975509 1993344 2121843 2179872 2242512 2341344 2405376 2408624 2474496 2583552 2634012 2657792 2709702 2829124 2906496 2990016 3121792 3299328 3363768 3512016 3612936 3711744 3875328 3951018 3986688 4064553 4243686 4359744 4365631 4485024 4682688 4810752 4817248 4948992 5167104 5268024 5315584 5419404 5658248 5812992 5980032 6243584 6365529 6727536 7024032 7225872 7423488 7750656 7902036 7973376 8129106 8487372 8719488 8731262 8970048 9365376 9634496 9897984 10536048 10631168 10838808 11316496 11625984 11960064 12193659 12487168 12731058 13096893 13455072 14048064 14451744 14846976 15501312 15804072 15946752 16258212 16974744 17438976 17462524 17940096 18730752 19096587 19268992 21072096 21677616 22632992 23251968 23920128 24387318 24974336 25462116 26193786 26910144 28096128 28903488 29693952 31608144 31893504 32516424 33949488 34877952 34925048 35880192 37461504 38193174 38537984 39290679 42144192 43355232 45265984 46503936 47840256 48774636 49948672 50924232 52387572 53820288 56192256 57289761 57806976 63216288 65032848 67898976 69755904 69850096 71760384 74923008 76386348 77075968 78581358 84288384 86710464 90531968 95680512 97549272 101848464 104775144 107640576 112384512 114579522 115613952 117872037 126432576 126603299 130065696 135797952 139511808 139700192 143520768 149846016 152772696 154151936 157162716 168576768 173420928 181063936 195098544 203696928 209550288 215281152 224769024 229159044 231227904 235744074 252865152 253206598 260131392 271595904 279400384 287041536 305545392 308303872 314325432 337153536 346841856 353616111 362127872 379809897 390197088 407393856 419100576 430562304 449538048 458318088 462455808 471488148 505730304 506413196 520262784 543191808 558800768 611090784 628650864 674307072 693683712 707232222 724255744 759619794 780394176 814787712 838201152 861124608 916636176 924911616 942976296 1011460608 1012826392 1040525568 1086383616 1117601536 1139429691 1222181568 1257301728 1348614144 1387367424 1414464444 1448511488 1519239588 1560788352 1629575424 1676402304 1833272352 1885952592 2022921216 2025652784 2081051136 2172767232 2235203072 2278859382 2444363136 2514603456 2774734848 2828928888 3038479176 3121576704 3259150848 3352804608 3418289073 3666544704 3771905184 4045842432 4051305568 4162102272 4345534464 4470406144 4557718764 4888726272 5029206912 5657857776 6076958352 6243153408 6518301696 6705609216 6836578146 7333089408 7543810368 8102611136 8324204544 8940812288 9115437528 9777452544 10058413824 10254867219 11315715552 12153916704 12486306816 13036603392 13411218432 13673156292 14666178816 15087620736 16205222272 18230875056 19554905088 20116827648 20509734438 22631431104 24307833408 24972613632 26822436864 27346312584 29332357632 30175241472 32410444544 36461750112 39109810176 40233655296 41019468876 45262862208 48615666816 54692625168 58664715264 60350482944 64820889088 72923500224 80467310592 82038937752 90525724416 97231333632 109385250336 117329430528 120700965888 129641778176 145847000448 164077875504 181051448832 194462667264 218770500672 241401931776 259283556352 291694000896 328155751008 362102897664 388925334528 437541001344 583388001792 656311502016 724205795328 777850669056 875082002688 1166776003584 1312623004032 1750164005376 2333552007168 2625246008064 3500328010752 5250492016128 7000656021504 10500984032256 21001968064512
• Sum of all divisors σ(n): 65334672503100
• Sum of proper divisors (its aliquot sum) s(n): 44332704438588
• 21001968064512 is an abundant number, because the sum of its proper divisors (44332704438588) is greater than itself. Its abundance is 23330736374076

Bases of 21001968064512

• Binary: 100110001100111100110110110001001100000000000₂
• Hexadecimal: 0x1319E6D89800
• Base-36: 7G065J400

Squares and roots of 21001968064512

• 21001968064512 squared (21001968064512²) is 441082662582781923393798144
• 21001968064512 cubed (21001968064512³) is 9263603993373508034635427460728097865728
• The square root of 21001968064512 is 4582790.4233678415
• The cube root of 21001968064512 is 27590.1036005017

Scales and comparisons

• 21,001,968,064,512 seconds is equal to 667,797 years, 32 weeks, 2 days, 1 hour, 55 minutes, 12 seconds.
• To count from 1 to 21,001,968,064,512 would take you about one million, six hundred sixty-nine thousand, four hundred ninety-four 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 21001968064512 cubic inches would be around 2299.2 feet tall.

Recreational maths with 21001968064512

• 21001968064512 backwards is 21546086910012
• The number of decimal digits it has is: 14
• The sum of 21001968064512's digits is 45
• More coming soon!