12999129

Names of 12999129

• Cardinal: 12999129 can be written as Twelve million, nine hundred ninety-nine thousand, one hundred twenty-nine.

Scientific notation

• Scientific notation: 1.2999129 × 10⁷

Factors of 12999129

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 377

Divisors of 12999129

• Number of divisors d(n): 32
• Complete list of divisors:
  1 3 11 13 33 39 143 157 193 429 471 579 1727 2041 2123 2509 5181 6123 6369 7527 22451 27599 30301 67353 82797 90903 333311 393913 999933 1181739 4333043 12999129
• Sum of all divisors σ(n): 20598144
• Sum of proper divisors (its aliquot sum) s(n): 7599015
• 12999129 is a deficient number, because the sum of its proper divisors (7599015) is less than itself. Its deficiency is 5400114

Bases of 12999129

• Binary: 110001100101100111011001₂
• Hexadecimal: 0xC659D9
• Base-36: 7QM6X

Squares and roots of 12999129

• 12999129 squared (12999129²) is 168977354758641
• 12999129 cubed (12999129³) is 2196558432586338223689
• The square root of 12999129 is 3605.4304874731
• The cube root of 12999129 is 235.1282173407

Scales and comparisons

• 12,999,129 seconds is equal to 21 weeks, 3 days, 10 hours, 52 minutes, 9 seconds.
• To count from 1 to 12,999,129 would take you about thirty-two weeks!

  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 12999129 cubic inches would be around 19.6 feet tall.

Recreational maths with 12999129

• 12999129 backwards is 92199921
• The number of decimal digits it has is: 8
• The sum of 12999129's digits is 42
• More coming soon!