138639346335

Names of 138639346335

• Cardinal: 138639346335 can be written as One hundred thirty-eight billion, six hundred thirty-nine million, three hundred forty-six thousand, three hundred thirty-five.

Scientific notation

• Scientific notation: 1.38639346335 × 10¹¹

Factors of 138639346335

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 87

Divisors of 138639346335

• Number of divisors d(n): 256
• Complete list of divisors:
  1 3 5 7 9 15 21 27 29 35 43 45 49 63 87 105 129 135 145 147 189 203 215 245 261 301 315 343 387 435 441 609 645 735 783 903 945 1015 1029 1161 1247 1305 1323 1421 1505 1715 1827 1935 2107 2205 2401 2709 3045 3087 3741 3915 4263 4515 5145 5481 5805 6235 6321 6615 7105 7203 8127 8729 9135 9261 9947 10535 11223 12005 12789 13545 14749 15435 16807 18705 18963 21315 21609 26187 27405 29841 31605 33669 36015 38367 40635 43645 44247 46305 49735 50421 56115 56889 61103 63945 64827 69629 73745 78561 84035 89523 94815 103243 108045 117649 130935 132741 149205 151263 168345 183309 191835 208887 221235 235683 252105 268569 284445 305515 309729 324135 348145 352947 392805 398223 427721 447615 453789 487403 516215 549927 588245 626661 663705 722701 756315 823543 916545 929187 1044435 1058841 1178415 1283163 1342845 1462209 1548645 1649781 1764735 1879983 1991115 2138605 2168103 2268945 2437015 2470629 2749635 2787561 2994047 3133305 3176523 3411821 3613505 3849489 4117715 4386627 4645935 5058907 5294205 6415815 6504309 7311045 7411887 8248905 8982141 9399915 10235463 10840515 11548467 12353145 13159881 13937805 14970235 15176721 15882615 17059105 19247445 19512927 20958329 21933135 22235661 23882747 25294535 26946423 30706389 32521545 35412349 37059435 44910705 45530163 51177315 57742335 62874987 65799405 71648241 75883605 80839269 92119167 97564635 104791645 106237047 111178305 119413735 134732115 136590489 146708303 153531945 177061745 188624961 214944723 227650815 314374935 318711141 358241205 404196345 440124909 460595835 531185235 565874883 644834169 682952445 733541515 943124805 956133423 1026958121 1074723615 1320374727 1593555705 2200624545 2829374415 3080874363 3224170845 3961124181 4780667115 5134790605 6601873635 9242623089 15404371815 19805620905 27727869267 46213115445 138639346335
• Sum of all divisors σ(n): 304381440000
• Sum of proper divisors (its aliquot sum) s(n): 165742093665
• 138639346335 is an abundant number, because the sum of its proper divisors (165742093665) is greater than itself. Its abundance is 27102747330

Bases of 138639346335

• Binary: 10000001000111100011001000101010011111₂
• Hexadecimal: 0x20478C8A9F
• Base-36: 1ROUAC9R

Squares and roots of 138639346335

• 138639346335 squared (138639346335²) is 19220868352196077932225
• 138639346335 cubed (138639346335³) is 2664768624339552806274392432145375
• The square root of 138639346335 is 372343.0492637133
• The cube root of 138639346335 is 5175.6174369367

Scales and comparisons

• 138,639,346,335 seconds is equal to 4,408 years, 15 weeks, 5 days, 1 hour, 32 minutes, 15 seconds.
• To count from 1 to 138,639,346,335 would take you about eight thousand, eight hundred sixteen 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 138639346335 cubic inches would be around 431.3 feet tall.

Recreational maths with 138639346335

• 138639346335 backwards is 533643936831
• The number of decimal digits it has is: 12
• The sum of 138639346335's digits is 54
• More coming soon!