21396927981429

Names of 21396927981429

• Cardinal: 21396927981429 can be written as Twenty-one trillion, three hundred ninety-six billion, nine hundred twenty-seven million, nine hundred eighty-one thousand, four hundred twenty-nine.

Scientific notation

• Scientific notation: 2.1396927981429 × 10¹³

Factors of 21396927981429

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 500

Divisors of 21396927981429

• Number of divisors d(n): 540
• Complete list of divisors:
  1 3 7 9 11 13 17 21 27 33 39 49 51 63 77 81 91 99 117 119 121 143 147 153 187 189 221 231 273 297 351 357 363 429 441 449 459 539 561 567 637 663 693 819 833 847 891 1001 1053 1071 1089 1287 1309 1323 1347 1377 1547 1573 1617 1683 1911 1989 2057 2079 2431 2457 2499 2541 3003 3143 3213 3267 3861 3927 3969 4041 4641 4719 4851 4939 5049 5733 5837 5929 5967 6171 6237 7007 7293 7371 7497 7623 7633 9009 9163 9429 9639 9801 10829 11011 11583 11781 12123 13923 14157 14399 14553 14817 15147 17017 17199 17511 17787 17901 18513 21021 21879 22001 22491 22869 22899 26741 27027 27489 28287 32487 33033 34573 35343 36369 40859 41769 42471 43197 43659 44451 51051 51597 52533 53361 53431 54329 55539 63063 64207 65637 66003 67473 68607 68697 77077 80223 81081 82467 83963 84861 97461 99099 99229 100793 103719 106029 119119 122577 125307 127413 129591 133353 153153 157599 160083 160293 162987 166617 187187 189189 192621 196911 198009 201601 206091 231231 240669 242011 247401 251889 254583 286013 292383 297297 297687 302379 311157 357357 367731 374017 380303 388773 400059 449449 459459 472797 480249 480879 488961 561561 567567 577863 587741 594027 604803 618273 693693 694603 706277 722007 726033 742203 755667 858039 877149 891891 893061 907137 923593 933471 1072071 1091519 1103193 1122051 1140909 1166319 1310309 1348347 1378377 1411207 1442637 1466883 1684683 1733589 1763223 1782081 1814409 2081079 2083809 2118831 2166021 2178099 2217611 2267001 2574117 2620813 2662121 2679183 2721411 2770779 2800413 3146143 3216213 3274557 3309579 3366153 3422727 3427217 3930927 4045041 4114187 4233621 4327911 4400649 4862221 4943939 5054049 5200767 5289669 5443227 6243237 6251427 6356493 6465151 6534297 6652833 6801003 7640633 7722351 7862439 7986363 8037549 8164233 8312337 9438429 9648639 9823671 9878449 10098459 10268181 10281651 11792781 12006709 12135123 12342561 12700863 14586663 14831817 15162147 15523277 15869007 16329681 18345691 18754281 19069479 19395453 19602891 19958499 22921899 23167053 23587317 23959089 23990519 24393721 24937011 28315287 28828943 29471013 29635347 30295377 30804543 30844953 34607573 35378343 36020127 36405369 37027683 37699387 38102589 43759989 44495451 44553821 45256057 46569831 47607021 53484431 55037073 56262843 57208437 58186359 59875497 68765697 70761951 71877267 71971557 73181163 74811033 84046963 84945861 86486829 88413039 88906041 92534859 103822719 106135029 108060381 108662939 111083049 113098161 114307767 128419837 131279967 133486353 133661463 135768171 139709493 160453293 165111219 167933633 170756047 174559077 179626491 201802601 206297091 212285853 215631801 215914671 219543489 252140889 254837583 259460487 263895709 266718123 277604577 311468157 311876747 317118373 324181143 325988817 333249147 339294483 385259511 393839901 400459059 400984389 407304513 414693257 419128479 481359879 490092031 495333657 503800899 512268141 523677231 588328741 605407803 618891273 647744013 658630467 756422667 778381461 791687127 800154369 934404471 935630241 951355119 972543429 977966451 1017883449 1155778533 1195292329 1202953167 1221913539 1244079771 1257385437 1412618207 1444079637 1470276093 1486000971 1511402697 1536804423 1764986223 1816223409 1847269963 1943232039 1975891401 2183137229 2219828611 2269268001 2335144383 2375061381 2803213413 2806890723 2854065357 2902852799 2933899353 3053650347 3430644217 3467335599 3585876987 3608859501 3665740617 3732239313 4237854621 4332238911 4410828279 4534208091 4610413269 5294958669 5391012341 5448670227 5541809889 6549411687 6659485833 6807804003 7125184143 8420672169 8562196071 8708558397 8801698059 10291932651 10402006797 10757630961 11196717939 12713563863 13232484837 13602624273 13831239807 15538800277 15884876007 16173037023 16346010681 16625429667 19648235061 19978457499 20319969593 21375552429 24014509519 25262016507 25686588213 26125675191 30875797953 32272892883 33590153817 37737086387 38140691589 39697454511 46616400831 47654628021 48519111069 49876289001 58944705183 59935372497 60959908779 72043528557 78377025573 92627393859 96818678649 113211259161 114422074767 139849202493 145557333207 149628867003 176834115549 179806117491 182879726337 216130585671 235131076719 264159604709 277882181577 339633777483 419547607479 436671999621 548639179011 648391757013 792478814127 1018901332449 1258642822437 1645917537033 1945175271039 2377436442381 3056703997347 7132309327143 21396927981429
• Sum of all divisors σ(n): 46706079256452
• Sum of proper divisors (its aliquot sum) s(n): 25309151275023
• 21396927981429 is an abundant number, because the sum of its proper divisors (25309151275023) is greater than itself. Its abundance is 3912223293594

Bases of 21396927981429

• Binary: 100110111010111011100010010101010011101110101₂
• Hexadecimal: 0x1375DC4AA775
• Base-36: 7L1M2GUB9

Squares and roots of 21396927981429

• 21396927981429 squared (21396927981429²) is 457828527042459300568882041
• 21396927981429 cubed (21396927981429³) is 9796124020971221021497216400905339616589
• The square root of 21396927981429 is 4625681.3532093843
• The cube root of 21396927981429 is 27761.9824264459

Scales and comparisons

• 21,396,927,981,429 seconds is equal to 680,356 years, 6 weeks, 3 days, 9 hours, 57 minutes, 9 seconds.
• To count from 1 to 21,396,927,981,429 would take you about one million, seven hundred thousand, eight hundred ninety 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 21396927981429 cubic inches would be around 2313.5 feet tall.

Recreational maths with 21396927981429

• 21396927981429 backwards is 92418972969312
• The number of decimal digits it has is: 14
• The sum of 21396927981429's digits is 72
• More coming soon!