21287357200512

Names of 21287357200512

• Cardinal: 21287357200512 can be written as Twenty-one trillion, two hundred eighty-seven billion, three hundred fifty-seven million, two hundred thousand, five hundred twelve.

Scientific notation

• Scientific notation: 2.1287357200512 × 10¹³

Factors of 21287357200512

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 128

Divisors of 21287357200512

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 27 31 32 36 39 48 52 54 62 64 72 78 79 93 96 104 108 117 124 128 144 156 158 186 192 208 216 234 237 248 279 288 312 316 351 372 384 403 416 432 468 474 496 558 576 624 632 702 711 744 806 832 837 864 936 948 961 992 1027 1116 1152 1209 1248 1264 1404 1422 1488 1612 1664 1674 1728 1872 1896 1922 1984 2054 2133 2232 2418 2449 2496 2528 2808 2844 2883 2976 3081 3224 3348 3456 3627 3744 3792 3844 3968 4108 4266 4464 4836 4898 4992 5056 5616 5688 5766 5952 6162 6241 6448 6696 7254 7347 7488 7584 7688 8216 8532 8649 8928 9243 9672 9796 10112 10881 11232 11376 11532 11904 12324 12482 12493 12896 13392 14508 14694 14976 15168 15376 16432 17064 17298 17856 18486 18723 19344 19592 21762 22041 22464 22752 23064 24648 24964 24986 25792 25947 26784 27729 29016 29388 30336 30752 31837 32864 34128 34596 35712 36972 37446 37479 38688 39184 43524 44082 44928 45504 46128 49296 49928 49972 51584 51894 53568 55458 56169 58032 58776 61504 63674 65728 66123 68256 69192 73944 74892 74958 75919 77376 78368 81133 87048 88164 91008 92256 95511 98592 99856 99944 103788 107136 110916 112338 112437 116064 117552 123008 127348 131456 132246 136512 138384 147888 149784 149916 151838 154752 156736 162266 168507 174096 176328 184512 191022 193471 197184 199712 199888 207576 221832 224676 224874 227757 232128 235104 243399 254696 264492 273024 276768 286533 295776 299568 299832 303676 313472 324532 337014 337311 348192 352656 369024 382044 386942 394368 399424 399776 415152 443664 449352 449748 455514 464256 470208 486798 493039 509392 528984 553536 573066 580413 591552 599136 599664 607352 649064 674028 674622 683271 696384 705312 730197 764088 773884 798848 799552 830304 859599 887328 898704 899496 911028 940416 973596 986078 986947 1018784 1057968 1107072 1146132 1160826 1183104 1198272 1199328 1214704 1298128 1348056 1349244 1366542 1392768 1410624 1460394 1479117 1528176 1547768 1599104 1660608 1719198 1741239 1774656 1797408 1798992 1822056 1947192 1972156 1973894 2037568 2049813 2115936 2190591 2292264 2321652 2396544 2398656 2429408 2515123 2596256 2696112 2698488 2733084 2821248 2920788 2958234 2960841 3056352 3095536 3321216 3438396 3482478 3549312 3594816 3597984 3644112 3894384 3944312 3947788 4075136 4099626 4231872 4381182 4437351 4584528 4643304 4797312 4858816 5030246 5192512 5223717 5392224 5396976 5466168 5841576 5916468 5921682 5997601 6112704 6191072 6409507 6876792 6964956 7189632 7195968 7288224 7545369 7788768 7888624 7895576 8199252 8463744 8762364 8874702 8882523 9169056 9286608 9717632 10060492 10385024 10447434 10784448 10793952 10932336 11683152 11832936 11843364 11995202 12225408 12382144 12819014 13312053 13753584 13929912 14391936 14576448 15090738 15284209 15577536 15777248 15791152 16398504 17524728 17749404 17765046 17992803 18338112 18573216 19228521 20120984 20894868 21568896 21587904 21864672 22636107 23366304 23665872 23686728 23990404 24764288 25638028 26624106 26647569 27507168 27859824 29152896 30181476 30568418 31155072 31554496 31582304 32797008 35049456 35498808 35530092 35985606 36676224 37146432 38457042 40241968 41789736 43175808 43729344 45272214 45852627 46732608 47331744 47373456 47980808 51276056 53248212 53295138 53978409 55014336 55719648 57685563 60362952 61136836 63108992 63164608 65594016 67908321 70098912 70997616 71060184 71971212 74292864 76914084 77968813 80483936 83579472 87458688 90544428 91705254 93465216 94663488 94746912 95961616 102552112 106496424 106590276 107956818 110028672 111439296 115371126 120725904 122273672 126329216 131188032 135816642 137557881 140197824 141995232 142120368 143942424 153828168 155937626 160967872 161935227 167158944 173056689 181088856 183410508 189326976 189493824 191923232 198694717 205104224 212992848 213180552 215913636 222878592 230742252 233906439 241451808 244547344 262376064 271633284 275115762 280395648 283990464 284240736 287884848 307656336 311875252 321935744 323870454 334317888 346113378 362177712 366821016 378987648 383846464 397389434 410208448 412673643 425985696 426361104 431827272 461484504 467812878 473810479 482903616 489094688 543266568 550231524 567980928 568481472 575769696 596084151 615312672 623750504 647740908 668635776 692226756 701719317 724355424 733642032 767692928 794778868 820416896 825347286 851971392 852722208 863654544 922969008 935625756 947620958 965807232 978189376 1086533136 1100463048 1136962944 1151539392 1192168302 1230625344 1247501008 1295481816 1384453512 1403438634 1421431437 1448710848 1467284064 1589557736 1650694572 1703942784 1705444416 1727309088 1788252453 1845938016 1871251512 1895241916 1956378752 2105157951 2173066272 2200926096 2303078784 2384336604 2461250688 2495002016 2590963632 2768907024 2806877268 2842862874 2897421696 2934568128 3179115472 3301389144 3410888832 3454618176 3576504906 3691876032 3742503024 3790483832 4210315902 4264294311 4346132544 4401852192 4768673208 4990004032 5181927264 5364757359 5537814048 5613754536 5685725748 5869136256 6159536227 6358230944 6602778288 6909236352 7153009812 7383752064 7485006048 7580967664 8420631804 8528588622 8692265088 8803704384 9537346416 9980008064 10363854528 10729514718 11075628096 11227509072 11371451496 12319072454 12716461888 12792882933 13205556576 14306019624 14970012096 15161935328 16841263608 17057177244 17607408768 18478608681 19074692832 20727709056 21459029436 22151256192 22455018144 22742902992 24638144908 25432923776 25585765866 26411113152 28612039248 29940024192 30323870656 33682527216 34114354488 36957217362 38149385664 42918058872 44910036288 45485805984 49276289816 51171531732 52822226304 55435826043 57224078496 60647741312 67365054432 68228708976 73914434724 76298771328 85836117744 89820072576 90971611968 98552579632 102343063464 110871652086 114448156992 134730108864 136457417952 147828869448 166307478129 171672235488 181943223936 197105159264 204686126928 221743304172 228896313984 269460217728 272914835904 295657738896 332614956258 343344470976 394210318528 409372253856 443486608344 545829671808 591315477792 665229912516 686688941952 788420637056 818744507712 886973216688 1182630955584 1330459825032 1637489015424 1773946433376 2365261911168 2660919650064 3547892866752 5321839300128 7095785733504 10643678600256 21287357200512
• Sum of all divisors σ(n): 70809447744000
• Sum of proper divisors (its aliquot sum) s(n): 49522090543488
• 21287357200512 is an abundant number, because the sum of its proper divisors (49522090543488) is greater than itself. Its abundance is 28234733342976

Bases of 21287357200512

• Binary: 100110101110001011001010111010011100010000000₂
• Hexadecimal: 0x135C595D3880
• Base-36: 7JN9YUQO0

Squares and roots of 21287357200512

• 21287357200512 squared (21287357200512²) is 453151576582190093773062144
• 21287357200512 cubed (21287357200512³) is 9646399476680249291658750925137644617728
• The square root of 21287357200512 is 4613822.4066940419
• The cube root of 21287357200512 is 27714.5128502907

Scales and comparisons

• 21,287,357,200,512 seconds is equal to 676,872 years, 5 weeks, 6 days, 1 hour, 55 minutes, 12 seconds.
• To count from 1 to 21,287,357,200,512 would take you about one million, six hundred ninety-two thousand, one hundred eighty 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 21287357200512 cubic inches would be around 2309.5 feet tall.

Recreational maths with 21287357200512

• 21287357200512 backwards is 21500275378212
• The number of decimal digits it has is: 14
• The sum of 21287357200512's digits is 45
• More coming soon!