18538696832

Names of 18538696832

• Cardinal: 18538696832 can be written as Eighteen billion, five hundred thirty-eight million, six hundred ninety-six thousand, eight hundred thirty-two.

Scientific notation

• Scientific notation: 1.8538696832 × 10¹⁰

Factors of 18538696832

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 566

Divisors of 18538696832

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 8 16 29 32 58 64 113 116 128 193 226 229 232 386 452 458 464 772 904 916 928 1544 1808 1832 1856 3088 3277 3616 3664 3712 5597 6176 6554 6641 7232 7328 11194 12352 13108 13282 14464 14656 21809 22388 24704 25877 26216 26564 29312 43618 44197 44776 51754 52432 53128 87236 88394 89552 103508 104864 106256 174472 176788 179104 207016 209728 212512 348944 353576 358208 414032 419456 425024 632461 697888 707152 716416 750433 828064 850048 1264922 1281713 1395776 1414304 1500866 1656128 2529844 2563426 2791552 2828608 3001732 3312256 4994261 5059688 5126852 5657216 6003464 9988522 10119376 10253704 12006928 19977044 20238752 20507408 24013856 39954088 40477504 41014816 48027712 79908176 80955008 82029632 96055424 144833569 159816352 164059264 289667138 319632704 579334276 639265408 1158668552 2317337104 4634674208 9269348416 18538696832
• Sum of all divisors σ(n): 38913102000
• Sum of proper divisors (its aliquot sum) s(n): 20374405168
• 18538696832 is an abundant number, because the sum of its proper divisors (20374405168) is greater than itself. Its abundance is 1835708336

Bases of 18538696832

• Binary: 10001010000111111100001000010000000₂
• Hexadecimal: 0x450FE1080
• Base-36: 8ILGM0W

Squares and roots of 18538696832

• 18538696832 squared (18538696832²) is 343683280228806836224
• 18538696832 cubed (18538696832³) is 6371440138389149529845811642368
• The square root of 18538696832 is 136156.8831605659
• The cube root of 18538696832 is 2646.6290034197

Scales and comparisons

• 18,538,696,832 seconds is equal to 589 years, 24 weeks, 4 days, 6 hours, 32 seconds.
• To count from 1 to 18,538,696,832 would take you about one thousand, one hundred seventy-eight 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 18538696832 cubic inches would be around 220.6 feet tall.

Recreational maths with 18538696832

• 18538696832 backwards is 23869683581
• The number of decimal digits it has is: 11
• The sum of 18538696832's digits is 59
• More coming soon!