642338874599588442

Names of 642338874599588442

• Cardinal: 642338874599588442 can be written as Six hundred forty-two quadrillion, three hundred thirty-eight trillion, eight hundred seventy-four billion, five hundred ninety-nine million, five hundred eighty-eight thousand, four hundred forty-two.

Scientific notation

• Scientific notation: 6.42338874599588442 × 10¹⁷

Factors of 642338874599588442

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 4580

Divisors of 642338874599588442

• Number of divisors d(n): 252
• Complete list of divisors:
  1 2 3 6 9 18 27 54 81 162 193 243 386 486 579 729 1158 1458 1737 1861 2521 3474 3722 5042 5211 5583 7563 10422 11166 15126 15633 16749 22689 31266 33498 37249 45378 46899 50247 68067 74498 93798 100494 111747 136134 140697 150741 204201 223494 281394 301482 335241 359173 408402 452223 486553 612603 670482 718346 904446 973106 1005723 1077519 1225206 1356669 1459659 1837809 2011446 2155038 2713338 2919318 3017169 3232557 3675618 4378977 4691581 6034338 6355441 6465114 8757954 9051507 9383162 9697671 12710882 13136931 14074743 18103014 19066323 19395342 26273862 27154521 28149486 29093013 38132646 39410793 42224229 54309042 57198969 58186026 69320389 78821586 84448458 87279039 93904729 114397938 118232379 126672687 138640778 171596907 174558078 187809458 207961167 236464758 253345374 261837117 281714187 343193814 354697137 380018061 415922334 514790721 523674234 563428374 623883501 709394274 760036122 845142561 905475133 1029581442 1140054183 1226600113 1247767002 1544372163 1690285122 1810950266 1871650503 2280108366 2453200226 2535427683 2716425399 3088744326 3420162549 3679800339 3743301006 4633116489 5070855366 5432850798 5614951509 6840325098 7359600678 7606283049 8149276197 9266232978 11039401017 11229903018 11827475701 15212566098 16298552394 16844854527 22078802034 22818849147 23654951402 24447828591 33118203051 33689709054 35482427103 45637698294 48895657182 50534563581 66236406102 68456547441 70964854206 73343485773 99354609153 101069127162 106447281309 136913094882 146686971546 174756700669 198709218306 212894562618 220030457319 236733821809 298063827459 319341843927 349513401338 440060914638 473467643618 524270102007 596127654918 638683687854 660091371957 710201465427 894191482377 958025531781 1048540204014 1320182743914 1420402930854 1572810306021 1788382964754 1916051063562 2130604396281 2282702810293 2874076595343 3145620612042 4261208792562 4565405620586 4718430918063 5748153190686 6391813188843 6848108430879 8622229786029 9436861836126 12783626377686 13696216861758 14155292754189 17244459572058 19175439566529 20544325292637 28310585508378 38350879133058 41088650585274 42465878262567 57526318699587 61632975877911 84931756525134 115052637399174 123265951755822 127397634787701 172578956098761 184898927633733 254795269575402 345157912197522 369797855267466 440561642386549 554696782901199 881123284773098 1109393565802398 1321684927159647 1664090348703597 2643369854319294 3328180697407194 3965054781478941 7930109562957882 11895164344436823 23790328688873646 35685493033310469 71370986066620938 107056479099931407 214112958199862814 321169437299794221 642338874599588442
• Sum of all divisors σ(n): 1453482233039832282
• Sum of proper divisors (its aliquot sum) s(n): 811143358440243840
• 642338874599588442 is an abundant number, because the sum of its proper divisors (811143358440243840) is greater than itself. Its abundance is 168804483840655398

Bases of 642338874599588442

• Binary: 100011101010000010111100110110011101111011101100001001011010₂
• Hexadecimal: 0x8EA0BCD9DEEC25A
• Base-36: 4VOQ4L9YBNMI

Squares and roots of 642338874599588442

• 642338874599588442 squared (642338874599588442²) is 412599229821865805754894915779987364
• 642338874599588442 cubed (642338874599588442³) is 265028524944434231626994376196093991552231974360446888
• The square root of 642338874599588442 is 801460463.5286686691
• The cube root of 642338874599588442 is 862822.3815825835

Scales and comparisons

• 642,338,874,599,588,442 seconds is equal to 20,424,389,327 years, 35 weeks, 20 minutes, 42 seconds.
• To count from 1 to 642,338,874,599,588,442 would take you about sixty-one billion, two hundred seventy-three million, one hundred sixty-seven thousand, nine hundred eighty-three 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 642338874599588442 cubic inches would be around 71901.9 feet tall.

Recreational maths with 642338874599588442

• 642338874599588442 backwards is 244885995478833246
• The number of decimal digits it has is: 18
• The sum of 642338874599588442's digits is 99
• More coming soon!