518139604242

Names of 518139604242

• Cardinal: 518139604242 can be written as Five hundred eighteen billion, one hundred thirty-nine million, six hundred four thousand, two hundred forty-two.

Scientific notation

• Scientific notation: 5.18139604242 × 10¹¹

Factors of 518139604242

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 470

Divisors of 518139604242

• Number of divisors d(n): 162
• Complete list of divisors:
  1 2 3 6 9 13 18 26 31 39 62 78 93 117 169 186 234 279 338 403 421 507 558 806 842 961 1014 1209 1263 1521 1922 2418 2526 2883 3042 3627 3789 5239 5473 5766 7254 7578 8649 10478 10946 12493 13051 15717 16419 17298 24986 26102 31434 32838 37479 39153 47151 49257 71149 74958 78306 94302 98514 112437 117459 142298 162409 169663 177241 213447 224874 234918 324818 339326 354482 404581 426894 487227 508989 531723 640341 809162 974454 1017978 1063446 1213743 1280682 1461681 1526967 1595169 2205619 2304133 2427486 2923362 3053934 3190338 3641229 4411238 4608266 5259553 5494471 6616857 6912399 7282458 10519106 10988942 13233714 13824798 15778659 16483413 19850571 20737197 29953729 31557318 32966826 39701142 41474394 47335977 49450239 59907458 68374189 71428123 89861187 94671954 98900478 136748378 142856246 170328601 179722374 205122567 214284369 269583561 340657202 410245134 428568738 510985803 539167122 615367701 642853107 928565599 1021971606 1230735402 1285706214 1532957409 1857131198 2214271813 2785696797 3065914818 4428543626 5571393594 6642815439 8357090391 13285630878 16714180782 19928446317 28785533569 39856892634 57571067138 86356600707 172713201414 259069802121 518139604242
• Sum of all divisors σ(n): 1259104965183
• Sum of proper divisors (its aliquot sum) s(n): 740965360941
• 518139604242 is an abundant number, because the sum of its proper divisors (740965360941) is greater than itself. Its abundance is 222825756699

Bases of 518139604242

• Binary: 111100010100011100001101110110100010010₂
• Hexadecimal: 0x78A386ED12
• Base-36: 6M12XXCI

Squares and roots of 518139604242

• 518139604242 squared (518139604242²) is 268468649484056384394564
• 518139604242 cubed (518139604242³) is 139104239795053192499012815736140488
• The square root of 518139604242 is 719819.1468987193
• The cube root of 518139604242 is 8031.8501332733

Scales and comparisons

• 518,139,604,242 seconds is equal to 16,475 years, 12 weeks, 2 days, 3 hours, 50 minutes, 42 seconds.
• To count from 1 to 518,139,604,242 would take you about thirty-two thousand, nine hundred fifty 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 518139604242 cubic inches would be around 669.3 feet tall.

Recreational maths with 518139604242

• 518139604242 backwards is 242406931815
• The number of decimal digits it has is: 12
• The sum of 518139604242's digits is 45
• More coming soon!