13929685

Names of 13929685

• Cardinal: 13929685 can be written as Thirteen million, nine hundred twenty-nine thousand, six hundred eighty-five.

Scientific notation

• Scientific notation: 1.3929685 × 10⁷

Factors of 13929685

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 493

Divisors of 13929685

• Number of divisors d(n): 32
• Complete list of divisors:
  1 5 7 11 35 55 77 97 373 385 485 679 1067 1865 2611 3395 4103 5335 7469 13055 20515 28721 36181 37345 143605 180905 253267 397991 1266335 1989955 2785937 13929685
• Sum of all divisors σ(n): 21111552
• Sum of proper divisors (its aliquot sum) s(n): 7181867
• 13929685 is a deficient number, because the sum of its proper divisors (7181867) is less than itself. Its deficiency is 6747818

Bases of 13929685

• Binary: 110101001000110011010101₂
• Hexadecimal: 0xD48CD5
• Base-36: 8AK7P

Squares and roots of 13929685

• 13929685 squared (13929685²) is 194036124199225
• 13929685 cubed (13929685³) is 2702862088716081494125
• The square root of 13929685 is 3732.2493217897
• The cube root of 13929685 is 240.6100510195

Scales and comparisons

• 13,929,685 seconds is equal to 23 weeks, 5 hours, 21 minutes, 25 seconds.
• To count from 1 to 13,929,685 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 13929685 cubic inches would be around 20.1 feet tall.

Recreational maths with 13929685

• 13929685 backwards is 58692931
• The number of decimal digits it has is: 8
• The sum of 13929685's digits is 43
• More coming soon!