138831252

Names of 138831252

• Cardinal: 138831252 can be written as One hundred thirty-eight million, eight hundred thirty-one thousand, two hundred fifty-two.

Scientific notation

• Scientific notation: 1.38831252 × 10⁸

Factors of 138831252

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2419

Divisors of 138831252

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 7 12 14 19 21 28 37 38 42 57 74 76 84 111 114 133 148 222 228 259 266 399 444 518 532 703 777 798 1036 1406 1554 1596 2109 2351 2812 3108 4218 4702 4921 7053 8436 9404 9842 14106 14763 16457 19684 28212 29526 32914 44669 49371 59052 65828 86987 89338 98742 134007 173974 178676 197484 260961 268014 312683 347948 521922 536028 608909 625366 938049 1043844 1217818 1250732 1652753 1826727 1876098 2435636 3305506 3653454 3752196 4958259 6611012 7306908 9916518 11569271 19833036 23138542 34707813 46277084 69415626 138831252
• Sum of all divisors σ(n): 400404480
• Sum of proper divisors (its aliquot sum) s(n): 261573228
• 138831252 is an abundant number, because the sum of its proper divisors (261573228) is greater than itself. Its abundance is 122741976

Bases of 138831252

• Binary: 1000010001100110010110010100₂
• Hexadecimal: 0x8466594
• Base-36: 2ANMVO

Squares and roots of 138831252

• 138831252 squared (138831252²) is 19274116531887504
• 138831252 cubed (138831252³) is 2675849729315840103475008
• The square root of 138831252 is 11782.6674399305
• The cube root of 138831252 is 517.8004379281

Scales and comparisons

• 138,831,252 seconds is equal to 4 years, 21 weeks, 3 days, 20 hours, 14 minutes, 12 seconds.
• To count from 1 to 138,831,252 would take you about 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 138831252 cubic inches would be around 43.2 feet tall.

Recreational maths with 138831252

• 138831252 backwards is 252138831
• The number of decimal digits it has is: 9
• The sum of 138831252's digits is 33
• More coming soon!