139898535040

Names of 139898535040

• Cardinal: 139898535040 can be written as One hundred thirty-nine billion, eight hundred ninety-eight million, five hundred thirty-five thousand and forty.

Scientific notation

• Scientific notation: 1.3989853504 × 10¹¹

Factors of 139898535040

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 164249

Divisors of 139898535040

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 32 40 44 55 64 80 88 110 121 128 160 176 220 242 320 352 440 484 605 640 704 880 968 1210 1331 1408 1760 1936 2420 2662 3520 3872 4840 5324 6655 7040 7744 9680 10648 13310 15488 19360 21296 26620 38720 42592 53240 77440 85184 106480 164231 170368 212960 328462 425920 656924 821155 851840 1313848 1642310 1806541 2627696 3284620 3613082 5255392 6569240 7226164 9032705 10510784 13138480 14452328 18065410 19871951 21021568 26276960 28904656 36130820 39743902 52553920 57809312 72261640 79487804 99359755 105107840 115618624 144523280 158975608 198719510 218591461 231237248 289046560 317951216 397439020 437182922 578093120 635902432 794878040 874365844 1092957305 1156186240 1271804864 1589756080 1748731688 2185914610 2543609728 3179512160 3497463376 4371829220 6359024320 6994926752 8743658440 12718048640 13989853504 17487316880 27979707008 34974633760 69949267520 139898535040
• Sum of all divisors σ(n): 367866541440
• Sum of proper divisors (its aliquot sum) s(n): 227968006400
• 139898535040 is an abundant number, because the sum of its proper divisors (227968006400) is greater than itself. Its abundance is 88069471360

Bases of 139898535040

• Binary: 10000010010010100110100011110010000000₂
• Hexadecimal: 0x20929A3C80
• Base-36: 1S9NZ4HS

Squares and roots of 139898535040

• 139898535040 squared (139898535040²) is 19571600106338107801600
• 139898535040 cubed (139898535040³) is 2738038183265409500369434968064000
• The square root of 139898535040 is 374030.1258454995
• The cube root of 139898535040 is 5191.2393791433

Scales and comparisons

• 139,898,535,040 seconds is equal to 4,448 years, 17 weeks, 5 days, 10 minutes, 40 seconds.
• To count from 1 to 139,898,535,040 would take you about eight thousand, eight hundred ninety-six 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 139898535040 cubic inches would be around 432.6 feet tall.

Recreational maths with 139898535040

• 139898535040 backwards is 040535898931
• 139898535040 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 139898535040's digits is 55
• More coming soon!