13909406

Names of 13909406

• Cardinal: 13909406 can be written as Thirteen million, nine hundred nine thousand, four hundred six.

Scientific notation

• Scientific notation: 1.3909406 × 10⁷

Factors of 13909406

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 52319

Divisors of 13909406

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 7 14 19 38 133 266 52291 104582 366037 732074 993529 1987058 6954703 13909406
• Sum of all divisors σ(n): 25100160
• Sum of proper divisors (its aliquot sum) s(n): 11190754
• 13909406 is a deficient number, because the sum of its proper divisors (11190754) is less than itself. Its deficiency is 2718652

Bases of 13909406

• Binary: 110101000011110110011110₂
• Hexadecimal: 0xD43D9E
• Base-36: 8A4KE

Squares and roots of 13909406

• 13909406 squared (13909406²) is 193471575272836
• 13909406 cubed (13909406³) is 2691074689929436695416
• The square root of 13909406 is 3729.5316059795
• The cube root of 13909406 is 240.4932333277

Scales and comparisons

• 13,909,406 seconds is equal to 22 weeks, 6 days, 23 hours, 43 minutes, 26 seconds.
• To count from 1 to 13,909,406 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 13909406 cubic inches would be around 20 feet tall.

Recreational maths with 13909406

• 13909406 backwards is 60490931
• The number of decimal digits it has is: 8
• The sum of 13909406's digits is 32
• More coming soon!