13972390

Names of 13972390

• Cardinal: 13972390 can be written as Thirteen million, nine hundred seventy-two thousand, three hundred ninety.

Scientific notation

• Scientific notation: 1.397239 × 10⁷

Factors of 13972390

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 744

Divisors of 13972390

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 5 10 41 53 82 106 205 265 410 530 643 1286 2173 3215 4346 6430 10865 21730 26363 34079 52726 68158 131815 170395 263630 340790 1397239 2794478 6986195 13972390
• Sum of all divisors σ(n): 26290656
• Sum of proper divisors (its aliquot sum) s(n): 12318266
• 13972390 is a deficient number, because the sum of its proper divisors (12318266) is less than itself. Its deficiency is 1654124

Bases of 13972390

• Binary: 110101010011001110100110₂
• Hexadecimal: 0xD533A6
• Base-36: 8BH5Y

Squares and roots of 13972390

• 13972390 squared (13972390²) is 195227682312100
• 13972390 cubed (13972390³) is 2727797316060762919000
• The square root of 13972390 is 3737.9660244577
• The cube root of 13972390 is 240.8556839873

Scales and comparisons

• 13,972,390 seconds is equal to 23 weeks, 17 hours, 13 minutes, 10 seconds.
• To count from 1 to 13,972,390 would take you about thirty-four 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 13972390 cubic inches would be around 20.1 feet tall.

Recreational maths with 13972390

• 13972390 backwards is 09327931
• The number of decimal digits it has is: 8
• The sum of 13972390's digits is 34
• More coming soon!