21139251678909

Names of 21139251678909

• Cardinal: 21139251678909 can be written as Twenty-one trillion, one hundred thirty-nine billion, two hundred fifty-one million, six hundred seventy-eight thousand, nine hundred nine.

Scientific notation

• Scientific notation: 2.1139251678909 × 10¹³

Factors of 21139251678909

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 100

Divisors of 21139251678909

• Number of divisors d(n): 864
• Complete list of divisors:
  1 3 7 9 13 17 21 23 27 37 39 51 63 69 81 91 111 117 119 153 161 169 189 207 221 243 259 273 289 299 333 351 357 391 459 481 483 507 529 567 621 629 663 777 819 851 867 897 999 1053 1071 1173 1183 1377 1443 1449 1521 1547 1587 1701 1863 1887 1989 2023 2093 2197 2331 2457 2553 2601 2691 2737 2873 2997 3159 3213 3367 3519 3549 3703 3757 3887 4131 4329 4347 4403 4563 4641 4761 5083 5589 5661 5957 5967 6069 6253 6279 6591 6647 6877 6993 7371 7659 7803 8073 8177 8211 8619 8991 8993 9639 10101 10557 10647 10693 11063 11109 11271 11661 12987 13041 13209 13689 13923 14283 14467 15249 15379 16983 17871 17901 18207 18759 18837 19573 19773 19941 20111 20631 20979 22113 22977 23409 24219 24531 24633 25857 26299 26979 27209 28917 30303 31671 31941 32079 33189 33327 33813 34983 35581 37349 38961 39123 39627 41067 41769 42849 43401 43771 45747 46137 46529 48139 48841 50531 50949 53613 53703 54621 56277 56511 57239 58719 59319 59823 60333 61893 62937 62951 66079 68931 70227 72657 73593 73899 74851 77441 77571 78897 80937 81289 81627 86411 89401 90909 95013 95823 96237 99567 99981 101269 101439 104949 106301 106743 112047 116883 116909 118881 125307 128547 130203 131313 137011 137241 138411 139009 139587 143819 144417 146523 151593 152847 152881 160839 163863 168831 169533 171717 176157 177957 179469 180999 185679 188071 188853 198237 206793 220779 221697 224553 232323 232713 236691 242811 243867 244881 245939 254449 259233 261443 268203 272727 287469 288711 298701 299943 303807 304317 314847 318903 320229 332741 336141 341887 350727 353717 356643 375921 390609 393939 411033 411723 415233 417027 418761 431457 433251 439569 454779 458643 462553 482517 491589 506493 508599 515151 528471 533871 538407 542997 557037 564213 566559 569023 594711 604877 625807 634933 662337 665091 673659 696969 698139 710073 728433 731601 734643 737817 744107 763347 777699 784329 804609 818181 818363 859027 866133 896103 899829 911421 912951 944541 956709 960687 973063 998223 1006733 1008423 1025661 1052181 1061151 1069929 1070167 1123343 1162213 1171827 1181817 1233099 1235169 1245699 1251081 1256283 1294371 1299753 1316497 1318707 1364337 1375929 1381913 1387659 1447551 1519479 1519817 1545453 1585413 1615221 1628991 1671111 1692639 1699677 1707069 1721573 1781143 1784133 1807117 1814631 1869647 1877421 1904799 1987011 1987453 2020977 2090907 2130219 2185299 2194803 2203929 2213451 2232321 2290041 2329187 2333097 2352987 2413827 2444923 2455089 2577081 2598399 2688309 2734263 2870127 2882061 2919189 2994669 3020199 3025269 3076983 3156543 3183453 3197207 3210501 3307837 3370029 3486639 3515481 3545451 3699297 3737097 3753243 3768849 3883113 3899259 3949491 3956121 4093011 4127787 4145739 4162977 4325633 4444531 4559451 4636359 4756239 4886973 5077917 5099031 5121207 5164719 5343429 5352399 5421351 5443893 5608941 5632263 5656597 5714397 5962359 6013189 6062931 6272721 6390657 6584409 6611787 6640353 6696963 6870123 6987561 6999291 7058961 7241481 7334769 7365267 7731243 7863401 8135491 8202789 8610381 8646183 8757567 8984007 9060597 9075807 9230949 9469629 9550359 9591621 9631503 9673391 9923511 10110087 10459917 10636353 10638719 11097891 11259729 11306547 11649339 11697777 11848473 11868363 12279033 12383361 12437217 12488931 12649819 12976899 13087529 13333593 13678353 13909077 13912171 14603459 15233751 15297093 15363621 15494157 16030287 16057197 16264053 16331679 16826823 16896789 16969791 17114461 17143191 17887077 18039567 18188793 18818163 19753227 19757621 19921059 20090889 20610369 20962683 20997873 21176883 21724443 22004307 22095801 22380449 23154859 23193729 23492521 23590203 24406473 24608367 25831143 25836889 26272701 26952021 27181791 27692847 28408887 28651077 28774863 28894509 29020173 29770533 30279431 30330261 31379751 31783999 31916157 33293673 33779187 34948017 35545419 37150083 37311651 37466793 37949457 38930697 39262587 39596179 40000779 41035059 41563691 41736513 43001881 43810377 45701253 46090863 46482471 48090861 48792159 48995037 50480469 50690367 50909373 51343383 51429573 53661231 54118701 56233229 59272863 59763177 60272667 61831107 62888049 63530649 66012921 66287403 67141347 69464577 69581187 70477563 70770609 73219419 73535761 77510667 78818103 80856063 81545373 83078541 85953231 86324589 86683527 87060519 89311599 90838293 90990783 94139253 95351997 95748471 102224213 106636257 111934953 112400379 113848371 116792091 117787761 118788537 120002337 123105177 124691073 125209539 129005643 131431131 138272589 138303347 139447413 144272583 146376477 146985111 151441407 152071101 152728119 154030149 154288719 160983693 162356103 164447647 168699687 177818589 180818001 180858223 188664147 198038763 198862209 201424041 208393731 208743561 211432689 212311827 219658257 220607283 222487993 232532001 236454309 244636119 258973767 260050581 261181557 267934797 272514879 272972349 282417759 286055991 287245413 290945837 301013167 306672639 319908771 335804859 335879557 341545113 350376273 353363283 356365611 360007011 369315531 374073219 375628617 387016929 393632603 394293393 414910041 418342239 432817749 439129431 454324221 458184357 462090447 482951079 487068309 493342941 506099061 514750327 533455767 540327983 542574669 565992441 594116289 604272123 625181193 634298067 636935481 658974771 661821849 667463979 697596003 731031977 776921301 783544671 803804391 817544637 858167973 861736239 872837511 903039501 920017917 955964893 1007638671 1024635339 1051128819 1060089849 1069096833 1080021033 1122219657 1126885851 1161050787 1180897809 1182880179 1244730123 1374553071 1386271341 1461204927 1480028823 1518297183 1544250981 1600367301 1620983949 1627724007 1812816369 1875543579 1902894201 1910806443 1976924313 1985465547 2002391937 2092788009 2193095931 2350634013 2351156899 2452633911 2574503919 2585208717 2618512533 2709118503 2760053751 2867894679 3022916013 3073906017 3180269547 3207290499 3366658971 3380657553 3483152361 3542693427 3548640537 3734190369 3782295881 4158814023 4440086469 4554891549 4632752943 4801101903 4862951847 4883172021 5117223839 5438449107 5626630737 5708682603 5956396641 6007175811 6278364027 6579287793 6691754251 7053470697 7357901733 7723511757 7855537599 8127355509 8280161253 8603684037 9068748039 9621871497 10099976913 10449457083 10628080281 11202571107 11346887643 12427543609 13320259407 13664674647 13898258829 14588855541 14649516063 15351671517 17869189923 18021527433 19737863379 20075262753 21160412091 23566612797 24382066527 24840483759 25811052111 27206244117 31884240843 33607713321 34040662929 37282630827 39960778221 41694776487 43766566623 43948548189 46055014551 54064582299 59213590137 60225788259 63481236273 70699838391 73146199581 77433156333 81618732351 86992805263 95652722529 102121988787 111847892481 125084329461 131299699869 138165043653 177640770411 180677364777 190443708819 232299468999 260978415789 306365966361 335543677443 414495130959 542032094331 571331126457 782935247367 919097899083 1006631032329 1243485392877 1626096282993 2348805742101 3019893096987 7046417226303 21139251678909
• Sum of all divisors σ(n): 44711107866880
• Sum of proper divisors (its aliquot sum) s(n): 23571856187971
• 21139251678909 is an abundant number, because the sum of its proper divisors (23571856187971) is greater than itself. Its abundance is 2432604509062

Bases of 21139251678909

• Binary: 100110011100111011101100101100100111010111101₂
• Hexadecimal: 0x1339DD964EBD
• Base-36: 7HR8KNET9

Squares and roots of 21139251678909

• 21139251678909 squared (21139251678909²) is 446867961544256975235430281
• 21139251678909 cubed (21139251678909³) is 9446454306325076712052503603170267643429
• The square root of 21139251678909 is 4597744.1945924961
• The cube root of 21139251678909 is 27650.0891856243

Scales and comparisons

• 21,139,251,678,909 seconds is equal to 672,162 years, 42 weeks, 2 days, 19 hours, 15 minutes, 9 seconds.
• To count from 1 to 21,139,251,678,909 would take you about one million, six hundred eighty thousand, four hundred 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 21139251678909 cubic inches would be around 2304.2 feet tall.

Recreational maths with 21139251678909

• 21139251678909 backwards is 90987615293112
• 21139251678909 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21139251678909's digits is 63
• More coming soon!