138631464

Names of 138631464

• Cardinal: 138631464 can be written as One hundred thirty-eight million, six hundred thirty-one thousand, four hundred sixty-four.

Scientific notation

• Scientific notation: 1.38631464 × 10⁸

Factors of 138631464

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2212

Divisors of 138631464

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 8 9 12 17 18 24 34 36 51 53 68 72 102 106 136 153 159 204 212 306 318 408 424 477 612 636 901 954 1224 1272 1802 1908 2137 2703 3604 3816 4274 5406 6411 7208 8109 8548 10812 12822 16218 17096 19233 21624 25644 32436 36329 38466 51288 64872 72658 76932 108987 113261 145316 153864 217974 226522 290632 326961 339783 435948 453044 653922 679566 871896 906088 1019349 1307844 1359132 1925437 2038698 2615688 2718264 3850874 4077396 5776311 7701748 8154792 11552622 15403496 17328933 23105244 34657866 46210488 69315732 138631464
• Sum of all divisors σ(n): 405236520
• Sum of proper divisors (its aliquot sum) s(n): 266605056
• 138631464 is an abundant number, because the sum of its proper divisors (266605056) is greater than itself. Its abundance is 127973592

Bases of 138631464

• Binary: 1000010000110101100100101000₂
• Hexadecimal: 0x8435928
• Base-36: 2AJCQ0

Squares and roots of 138631464

• 138631464 squared (138631464²) is 19218682810783296
• 138631464 cubed (138631464³) is 2664314134210523311225344
• The square root of 138631464 is 11774.1863413147
• The cube root of 138631464 is 517.5519348565

Scales and comparisons

• 138,631,464 seconds is equal to 4 years, 21 weeks, 1 day, 12 hours, 44 minutes, 24 seconds.
• To count from 1 to 138,631,464 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 138631464 cubic inches would be around 43.1 feet tall.

Recreational maths with 138631464

• 138631464 backwards is 464136831
• 138631464 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 138631464's digits is 36
• More coming soon!