13125972

Names of 13125972

• Cardinal: 13125972 can be written as Thirteen million, one hundred twenty-five thousand, nine hundred seventy-two.

Scientific notation

• Scientific notation: 1.3125972 × 10⁷

Factors of 13125972

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 106

Divisors of 13125972

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 12 17 34 37 47 51 68 74 94 102 111 141 148 188 204 222 282 444 564 629 799 1258 1369 1598 1739 1887 2397 2516 2738 3196 3478 3774 4107 4794 5217 5476 6956 7548 8214 9588 10434 16428 20868 23273 29563 46546 59126 64343 69819 88689 93092 118252 128686 139638 177378 193029 257372 279276 354756 386058 772116 1093831 2187662 3281493 4375324 6562986 13125972
• Sum of all divisors σ(n): 34038144
• Sum of proper divisors (its aliquot sum) s(n): 20912172
• 13125972 is an abundant number, because the sum of its proper divisors (20912172) is greater than itself. Its abundance is 7786200

Bases of 13125972

• Binary: 110010000100100101010100₂
• Hexadecimal: 0xC84954
• Base-36: 7TC2C

Squares and roots of 13125972

• 13125972 squared (13125972²) is 172291140944784
• 13125972 cubed (13125972³) is 2261488691889288330048
• The square root of 13125972 is 3622.9783328087
• The cube root of 13125972 is 235.8905218545

Scales and comparisons

• 13,125,972 seconds is equal to 21 weeks, 4 days, 22 hours, 6 minutes, 12 seconds.
• To count from 1 to 13,125,972 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 13125972 cubic inches would be around 19.7 feet tall.

Recreational maths with 13125972

• 13125972 backwards is 27952131
• The number of decimal digits it has is: 8
• The sum of 13125972's digits is 30
• More coming soon!