21102835744809

Names of 21102835744809

• Cardinal: 21102835744809 can be written as Twenty-one trillion, one hundred two billion, eight hundred thirty-five million, seven hundred forty-four thousand, eight hundred nine.

Scientific notation

• Scientific notation: 2.1102835744809 × 10¹³

Factors of 21102835744809

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 681

Divisors of 21102835744809

• Number of divisors d(n): 384
• Complete list of divisors:
  1 3 7 9 13 21 27 39 41 49 63 91 117 123 147 169 189 273 287 343 351 369 441 507 533 617 637 819 861 1029 1107 1183 1323 1521 1599 1681 1851 1911 2009 2197 2457 2583 3087 3549 3731 4319 4459 4563 4797 5043 5553 5733 6027 6591 6929 7749 8021 8281 9261 10647 11193 11767 12957 13377 14063 14391 15129 15379 16659 17199 18081 19773 20787 21853 24063 24843 25297 26117 30233 31941 33579 35301 38871 40131 42189 45387 46137 48503 54243 56147 57967 59319 62361 65559 72189 74529 75891 78351 82369 90077 90699 100737 104273 105903 107653 116613 120393 126567 138411 145509 152971 168441 173901 177079 182819 187083 196677 211631 216567 223587 227673 235053 247107 270231 272097 284089 312819 317709 322959 328861 339521 379701 393029 415233 436527 458913 505323 521703 531237 548457 576583 590031 630539 634893 683019 705159 729911 741321 753571 810693 816291 852267 938457 968877 986583 1018563 1037177 1070797 1179087 1239553 1309581 1355549 1376739 1515969 1565109 1593711 1645371 1729749 1891617 1904679 1988623 2189733 2223963 2260713 2302027 2376647 2432079 2556801 2751203 2815371 2906631 2959749 3055689 3111531 3212391 3537261 3693157 3718659 4066647 4130217 4275193 4413773 4781133 4936113 5109377 5189247 5674851 5714037 5965869 6569199 6782139 6906081 7129941 7260239 7495579 7670403 8253609 8676871 8879247 9167067 9334593 9488843 9637173 10611783 11079471 11155977 12199941 12825579 13241319 13483301 13920361 15328131 15567741 16114189 17024553 17897607 19707597 20346417 20718243 21389823 21780717 22486737 24760827 25852099 26030613 28003779 28466529 28911519 29926351 30896411 33238413 33467931 35765639 36599823 38476737 39723957 40449903 41761083 45984393 48342567 50821673 53692821 55577509 62154729 64169469 65342151 66421901 67460211 74282481 77556297 78091839 85399587 89779053 92689233 94383107 97442527 99715239 107296917 112799323 115430211 119171871 121349709 125283249 137953179 145027701 152465019 166732527 175282913 180964693 196026453 199265703 202380633 209484457 232668891 234275517 256198761 269337159 278067699 283149321 292327581 321890751 338397969 355751711 364049127 375849747 389042563 435083103 457395057 464953307 500197581 525848739 542894079 597797109 628453371 660681749 698006673 808011477 834203097 849447963 876982743 965672253 1015193907 1067255133 1167127689 1226980391 1266752851 1372185171 1394859921 1466391199 1500592743 1577546217 1628682237 1793391327 1885360113 1982045247 2278677869 2548343889 2630948229 2723297941 3045581721 3201765399 3501383067 3680941173 3800258553 4184579763 4399173597 4624772243 4732638651 4886046711 5656080339 5946135741 6836033607 8169893823 8588862737 9605296197 10504149201 11042823519 11400775659 12553739289 13197520791 13874316729 15950745083 17838407223 19063085587 20508100821 24509681469 25766588211 33128470557 34202326977 39592562373 41622950187 47852235249 57189256761 60122039159 61524302463 73529044407 77299764633 111655215581 124868850561 143556705747 171567770283 180366117477 231899293899 334965646743 430670117241 514703310849 541098352431 781586509067 1004896940229 1623295057293 2344759527201 3014690820687 7034278581603 21102835744809
• Sum of all divisors σ(n): 40548117120000
• Sum of proper divisors (its aliquot sum) s(n): 19445281375191
• 21102835744809 is a deficient number, because the sum of its proper divisors (19445281375191) is less than itself. Its deficiency is 1657554369618

Bases of 21102835744809

• Binary: 100110011000101100011000001110100000000101001₂
• Hexadecimal: 0x133163074029
• Base-36: 7HAIBJK89

Squares and roots of 21102835744809

• 21102835744809 squared (21102835744809²) is 445329676472388421770446481
• 21102835744809 cubed (21102835744809³) is 9397719014885745924255287995298108067129
• The square root of 21102835744809 is 4593782.2918385021
• The cube root of 21102835744809 is 27634.2027423659

Scales and comparisons

• 21,102,835,744,809 seconds is equal to 671,004 years, 46 weeks, 6 days, 2 hours, 9 seconds.
• To count from 1 to 21,102,835,744,809 would take you about one million, six hundred seventy-seven thousand, five hundred twelve 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 21102835744809 cubic inches would be around 2302.9 feet tall.

Recreational maths with 21102835744809

• 21102835744809 backwards is 90844753820112
• The number of decimal digits it has is: 14
• The sum of 21102835744809's digits is 54
• More coming soon!