38839699129

Names of 38839699129

• Cardinal: 38839699129 can be written as Thirty-eight billion, eight hundred thirty-nine million, six hundred ninety-nine thousand, one hundred twenty-nine.

Scientific notation

• Scientific notation: 3.8839699129 × 10¹⁰

Factors of 38839699129

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 4833

Divisors of 38839699129

• Number of divisors d(n): 72
• Complete list of divisors:
  1 7 11 19 49 73 77 121 133 209 511 539 803 847 931 1387 1463 2299 3577 4723 5621 5929 8833 9709 10241 15257 16093 33061 39347 51953 61831 67963 89737 106799 112651 167827 231427 344779 363671 432817 571483 628159 747593 987107 1174789 2413453 2545697 3792569 4000381 4397113 6550801 6909749 8223523 10858177 16894171 26547983 28002667 41718259 45855607 48368243 72058811 76007239 185835881 292027813 320989249 504411677 532050673 792646921 2044194691 3530881739 5548528447 38839699129
• Sum of all divisors σ(n): 53002713120
• Sum of proper divisors (its aliquot sum) s(n): 14163013991
• 38839699129 is a deficient number, because the sum of its proper divisors (14163013991) is less than itself. Its deficiency is 24676685138

Bases of 38839699129

• Binary: 100100001011000001101100011010111001₂
• Hexadecimal: 0x90B06C6B9
• Base-36: HUC5JND

Squares and roots of 38839699129

• 38839699129 squared (38839699129²) is 1508522228431243358641
• 38839699129 cubed (38839699129³) is 58590549481678101712995882323689
• The square root of 38839699129 is 197077.9011685481
• The cube root of 38839699129 is 3386.5587878401

Scales and comparisons

• 38,839,699,129 seconds is equal to 1,234 years, 51 weeks, 13 hours, 18 minutes, 49 seconds.
• To count from 1 to 38,839,699,129 would take you about two thousand, four hundred sixty-nine 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 38839699129 cubic inches would be around 282.2 feet tall.

Recreational maths with 38839699129

• 38839699129 backwards is 92199693883
• The number of decimal digits it has is: 11
• The sum of 38839699129's digits is 67
• More coming soon!