139507187442

Names of 139507187442

• Cardinal: 139507187442 can be written as One hundred thirty-nine billion, five hundred seven million, one hundred eighty-seven thousand, four hundred forty-two.

Scientific notation

• Scientific notation: 1.39507187442 × 10¹¹

Factors of 139507187442

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 221126

Divisors of 139507187442

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 7 14 21 42 49 98 147 294 307 343 614 686 921 1029 1842 2058 2149 4298 6447 12894 15043 30086 45129 90258 105301 210602 220807 315903 441614 631806 662421 1324842 1545649 3091298 4636947 9273894 10819543 21639086 32458629 64917258 67787749 75736801 135575498 151473602 203363247 227210403 406726494 454420806 474514243 949028486 1423542729 2847085458 3321599701 6643199402 9964799103 19929598206 23251197907 46502395814 69753593721 139507187442
• Sum of all divisors σ(n): 326442547200
• Sum of proper divisors (its aliquot sum) s(n): 186935359758
• 139507187442 is an abundant number, because the sum of its proper divisors (186935359758) is greater than itself. Its abundance is 47428172316

Bases of 139507187442

• Binary: 10000001111011010001101011111011110010₂
• Hexadecimal: 0x207B46BEF2
• Base-36: 1S36Z6R6

Squares and roots of 139507187442

• 139507187442 squared (139507187442²) is 19462255347977322503364
• 139507187442 cubed (139507187442³) is 2715124504874339266042086223554888
• The square root of 139507187442 is 373506.6096362955
• The cube root of 139507187442 is 5186.3942572407

Scales and comparisons

• 139,507,187,442 seconds is equal to 4,435 years, 46 weeks, 4 days, 12 hours, 30 minutes, 42 seconds.
• To count from 1 to 139,507,187,442 would take you about eight thousand, eight hundred seventy-one 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 139507187442 cubic inches would be around 432.2 feet tall.

Recreational maths with 139507187442

• 139507187442 backwards is 244781705931
• The number of decimal digits it has is: 12
• The sum of 139507187442's digits is 51
• More coming soon!