138432631620

Names of 138432631620

• Cardinal: 138432631620 can be written as One hundred thirty-eight billion, four hundred thirty-two million, six hundred thirty-one thousand, six hundred twenty.

Scientific notation

• Scientific notation: 1.3843263162 × 10¹¹

Factors of 138432631620

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 86435

Divisors of 138432631620

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 10 12 15 19 20 30 38 57 60 76 95 114 190 228 285 380 570 1140 1429 2858 4287 5716 7145 8574 14290 17148 21435 27151 28580 42870 54302 81453 84977 85740 108604 135755 162906 169954 254931 271510 325812 339908 407265 424885 509862 543020 814530 849770 1019724 1274655 1614563 1629060 1699540 2549310 3229126 4843689 5098620 6458252 8072815 9687378 16145630 19374756 24218445 32291260 48436890 96873780 121432133 242864266 364296399 485728532 607160665 728592798 1214321330 1457185596 1821481995 2307210527 2428642660 3642963990 4614421054 6921631581 7285927980 9228842108 11536052635 13843263162 23072105270 27686526324 34608157905 46144210540 69216315810 138432631620
• Sum of all divisors σ(n): 408302294400
• Sum of proper divisors (its aliquot sum) s(n): 269869662780
• 138432631620 is an abundant number, because the sum of its proper divisors (269869662780) is greater than itself. Its abundance is 131437031160

Bases of 138432631620

• Binary: 10000000111011001110100101001101000100₂
• Hexadecimal: 0x203B3A5344
• Base-36: 1RLF7Q6C

Squares and roots of 138432631620

• 138432631620 squared (138432631620²) is 19163593497238623824400
• 138432631620 cubed (138432631620³) is 2652866679118661899118920767528000
• The square root of 138432631620 is 372065.3593389205
• The cube root of 138432631620 is 5173.0438326173

Scales and comparisons

• 138,432,631,620 seconds is equal to 4,401 years, 37 weeks, 6 days, 12 hours, 47 minutes.
• To count from 1 to 138,432,631,620 would take you about eight thousand, eight hundred 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 138432631620 cubic inches would be around 431.1 feet tall.

Recreational maths with 138432631620

• 138432631620 backwards is 026136234831
• The number of decimal digits it has is: 12
• The sum of 138432631620's digits is 39
• More coming soon!