138770832

Names of 138770832

• Cardinal: 138770832 can be written as One hundred thirty-eight million, seven hundred seventy thousand, eight hundred thirty-two.

Scientific notation

• Scientific notation: 1.38770832 × 10⁸

Factors of 138770832

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2662

Divisors of 138770832

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 6 8 12 16 19 24 38 48 57 59 76 114 118 152 177 228 236 304 354 456 472 708 912 944 1121 1416 2242 2579 2832 3363 4484 5158 6726 7737 8968 10316 13452 15474 17936 20632 26904 30948 41264 49001 53808 61896 98002 123792 147003 152161 196004 294006 304322 392008 456483 588012 608644 784016 912966 1176024 1217288 1825932 2352048 2434576 2891059 3651864 5782118 7303728 8673177 11564236 17346354 23128472 34692708 46256944 69385416 138770832
• Sum of all divisors σ(n): 383904000
• Sum of proper divisors (its aliquot sum) s(n): 245133168
• 138770832 is an abundant number, because the sum of its proper divisors (245133168) is greater than itself. Its abundance is 106362336

Bases of 138770832

• Binary: 1000010001010111100110010000₂
• Hexadecimal: 0x8457990
• Base-36: 2AMC9C

Squares and roots of 138770832

• 138770832 squared (138770832²) is 19257343813972224
• 138770832 cubed (138770832³) is 2672357623174978749370368
• The square root of 138770832 is 11780.1032253541
• The cube root of 138770832 is 517.7253106503

Scales and comparisons

• 138,770,832 seconds is equal to 4 years, 21 weeks, 3 days, 3 hours, 27 minutes, 12 seconds.
• To count from 1 to 138,770,832 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 138770832 cubic inches would be around 43.1 feet tall.

Recreational maths with 138770832

• 138770832 backwards is 238077831
• The number of decimal digits it has is: 9
• The sum of 138770832's digits is 39
• More coming soon!