21313454890644

Names of 21313454890644

• Cardinal: 21313454890644 can be written as Twenty-one trillion, three hundred thirteen billion, four hundred fifty-four million, eight hundred ninety thousand, six hundred forty-four.

Scientific notation

• Scientific notation: 2.1313454890644 × 10¹³

Factors of 21313454890644

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 379

Divisors of 21313454890644

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 27 28 31 36 42 49 54 62 63 79 81 84 93 98 108 124 126 147 158 162 186 189 196 217 237 243 252 257 279 294 316 324 372 378 434 441 474 486 514 553 558 567 588 651 711 729 756 771 837 868 882 948 972 1028 1106 1116 1134 1302 1323 1422 1458 1519 1542 1659 1674 1701 1764 1799 1953 2133 2187 2212 2268 2313 2449 2511 2604 2646 2844 2916 3038 3084 3318 3348 3402 3598 3871 3906 3969 4266 4374 4557 4626 4898 4977 5022 5103 5292 5397 5859 6076 6241 6399 6636 6804 6939 7196 7347 7533 7742 7812 7938 7967 8532 8748 9114 9252 9796 9954 10044 10206 10794 11613 11718 11907 12482 12593 12798 13671 13878 14694 14931 15066 15309 15484 15876 15934 16191 17143 17577 18228 18723 19197 19908 20303 20412 20817 21588 22041 22599 23226 23436 23814 23901 24964 25186 25596 27342 27756 29388 29862 30132 30618 31868 32382 34286 34839 35154 35721 37446 37779 38394 40606 41013 41634 43687 44082 44793 45198 46452 47628 47802 48573 50372 51429 52731 54684 55769 56169 57591 59724 60909 61236 62451 64764 66123 67797 68572 69678 70308 71442 71703 74892 75558 76788 81212 82026 83268 87374 88164 89586 90396 95604 97146 102858 104517 105462 107163 111538 112338 113337 115182 120001 121818 123039 124902 131061 132246 134379 135594 139356 142121 142884 143406 145719 151116 154287 158193 164052 167307 168507 172773 174748 179172 182727 187353 193471 194292 198369 205716 209034 210924 214326 215109 223076 224676 226674 230364 240002 243636 246078 249804 262122 264492 268758 271188 284242 286812 291438 305809 308574 313551 316386 334614 337014 340011 345546 360003 365454 369117 374706 386942 390383 393183 396738 403137 418068 426363 428652 430218 437157 453348 462861 474579 480004 492156 501921 505521 524244 537516 548181 562059 568484 580413 582876 595107 611618 617148 627102 629393 632772 645327 669228 674028 680022 691092 720006 730908 738234 749412 773884 780766 786366 793476 806274 852726 860436 874314 917427 925722 940653 949158 994847 1003842 1011042 1020033 1080009 1096362 1107351 1124118 1160826 1171149 1179549 1190214 1209411 1223236 1254204 1258786 1279089 1290654 1311471 1354297 1360044 1388583 1440012 1476468 1505763 1516563 1561532 1572732 1603937 1612548 1644543 1705452 1741239 1748628 1785321 1834854 1851444 1881306 1888179 1898316 1935981 1989694 2007684 2022084 2040066 2160018 2192724 2214702 2248236 2321652 2342298 2359098 2380428 2418822 2517572 2558178 2581308 2622942 2708594 2752281 2777166 2821959 2984541 3011526 3033126 3060099 3207874 3240027 3289086 3322053 3482478 3513447 3538647 3570642 3669708 3762612 3776358 3837267 3871962 3934413 3979388 4062891 4080132 4165749 4320036 4405751 4429404 4517289 4549689 4684596 4718196 4811811 4837644 4933629 5116356 5223717 5245884 5355963 5417188 5504562 5554332 5643918 5664537 5807943 5969082 6023052 6066252 6120198 6415748 6480054 6578172 6644106 6964956 7026894 7077294 7141284 7552716 7674534 7743924 7868826 8125782 8256843 8331498 8465877 8811502 8953623 9034578 9099378 9180297 9480079 9623622 9720081 9867258 10447434 10540341 10615941 10711926 11009124 11227559 11287836 11329074 11511801 11615886 11938164 12188673 12240396 12497247 12960108 13217253 13288212 13551867 13649067 14053788 14154588 14435433 14800887 15349068 15671151 15737652 16251564 16513686 16662996 16931754 16993611 17423829 17623004 17907246 18069156 18198756 18360594 18960158 19247244 19440162 19734516 20894868 21080682 21231882 21423852 22455118 22658148 23023602 23231772 24377346 24770529 24994494 26434506 26860869 27103734 27298134 27540891 28440237 28870866 29160243 29601774 30840257 31342302 31621023 31847823 33027372 33682677 33863508 33987222 34535403 34847658 35814492 36566019 36721188 37491741 37920316 38880324 39651759 40655601 42161364 42463764 43306299 44402661 44910236 46047204 47013453 48754692 49541058 49722047 49988988 50980833 52869012 53721738 54207468 54596268 55081782 56880474 57741732 58320486 59203548 61680514 62684604 63242046 63695646 67365354 67974444 69070806 69695316 73132038 74311587 74983482 78592913 79303518 80582607 81311202 85320711 86612598 87480729 88805322 92520771 94026906 94863069 95543469 99082116 99444094 101048031 101961666 103606209 107443476 109698057 110163564 113760948 116640972 118955277 121966803 123361028 126484092 127391292 129918897 134730708 138141612 141040359 146264076 148623174 149166141 149966964 152942499 157185826 158607036 161165214 162622404 170641422 173225196 174961458 177610644 185041542 188053812 189726138 191086938 198888188 202096062 203923332 207212418 219396114 222934761 235778739 237910554 241747821 243933606 255962133 259837794 262442187 277562313 282080718 284589207 297246348 298332282 303144093 305884998 310818627 314371652 322330428 329094171 341282844 348054329 349922916 356865831 370083084 379452276 382173876 389756691 404192124 414424836 423121077 438792228 445869522 447498423 458827497 471557478 475821108 483495642 487867212 511924266 519675588 524884374 555124626 564161436 569178414 596664564 606288186 611769996 621637254 658188342 668804283 696108658 707336217 713731662 725243463 767886399 779513382 832686939 846242154 853767621 891739044 894996846 909432279 917654994 943114956 966991284 987282513 1023848532 1044162987 1049768748 1070597493 1110249252 1138356828 1169270073 1212576372 1243274508 1316376684 1337608566 1342495269 1376482491 1392217316 1414672434 1427463324 1450486926 1535772798 1559026764 1665373878 1692484308 1707535242 1789993692 1818864558 1835309988 1974565026 2088325974 2122008651 2141194986 2175730389 2303659197 2338540146 2436380303 2498060817 2675217132 2684990538 2728296837 2752964982 2829344868 2900973852 2961847539 3071545596 3132488961 3211792479 3330747756 3415070484 3507810219 3637729116 3949130052 4027485807 4176651948 4244017302 4282389972 4351460778 4607318394 4677080292 4872760606 4996121634 5369981076 5456593674 5505929964 5923695078 6264977922 6366025953 6423584958 6910977591 7015620438 7309140909 7494182451 8054971614 8184890511 8488034604 8702921556 9214636788 9397466883 9635377437 9745521212 9992243268 10913187348 11847390156 12082457421 12529955844 12732051906 12847169916 13821955182 14031240876 14618281818 14988364902 16109943228 16369781022 18794933766 19098077859 19270754874 20732932773 21927422727 22482547353 24164914842 24554671533 25464103812 27643910364 28192400649 29236563636 29976729804 32739562044 36247372263 37589867532 38196155718 38541509748 41465865546 43854845454 44965094706 48329829684 49109343066 56384801298 57294233577 65782268181 67447642059 72494744526 76392311436 82931731092 84577201947 87709690908 89930189412 98218686132 108742116789 112769602596 114588467154 131564536362 134895284118 144989489052 169154403894 171882700731 197346804543 217484233578 229176934308 253731605841 263129072724 269790568236 338308807788 343765401462 394693609086 434968467156 507463211682 592040413629 687530802924 761194817523 789387218172 1014926423364 1184080827258 1522389635046 1776121240887 2368161654516 3044779270092 3552242481774 5328363722661 7104484963548 10656727445322 21313454890644
• Sum of all divisors σ(n): 68297092254720
• Sum of proper divisors (its aliquot sum) s(n): 46983637364076
• 21313454890644 is an abundant number, because the sum of its proper divisors (46983637364076) is greater than itself. Its abundance is 25670182473432

Bases of 21313454890644

• Binary: 100110110001001101100111010000101111010010100₂
• Hexadecimal: 0x13626CE85E94
• Base-36: 7JZ9KQT90

Squares and roots of 21313454890644

• 21313454890644 squared (21313454890644²) is 454263359375516641998734736
• 21313454890644 cubed (21313454890644³) is 9681921618522478123122144950259244209984
• The square root of 21313454890644 is 4616649.7474515001
• The cube root of 21313454890644 is 27725.8339580481

Scales and comparisons

• 21,313,454,890,644 seconds is equal to 677,701 years, 48 weeks, 5 days, 16 hours, 17 minutes, 24 seconds.
• To count from 1 to 21,313,454,890,644 would take you about one million, six hundred ninety-four thousand, two hundred fifty-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 21313454890644 cubic inches would be around 2310.5 feet tall.

Recreational maths with 21313454890644

• 21313454890644 backwards is 44609845431312
• 21313454890644 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21313454890644's digits is 54
• More coming soon!