13720393

Names of 13720393

• Cardinal: 13720393 can be written as Thirteen million, seven hundred twenty thousand, three hundred ninety-three.

Scientific notation

• Scientific notation: 1.3720393 × 10⁷

Factors of 13720393

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 473146

Divisors of 13720393

• Number of divisors d(n): 4
• Complete list of divisors:
  1 29 473117 13720393
• Sum of all divisors σ(n): 14193540
• Sum of proper divisors (its aliquot sum) s(n): 473147
• 13720393 is a deficient number, because the sum of its proper divisors (473147) is less than itself. Its deficiency is 13247246

Bases of 13720393

• Binary: 110100010101101101001001₂
• Hexadecimal: 0xD15B49
• Base-36: 862Q1

Squares and roots of 13720393

• 13720393 squared (13720393²) is 188249184074449
• 13720393 cubed (13720393³) is 2582852787430781538457
• The square root of 13720393 is 3704.1048851241
• The cube root of 13720393 is 239.3989182971

Scales and comparisons

• 13,720,393 seconds is equal to 22 weeks, 4 days, 19 hours, 13 minutes, 13 seconds.
• To count from 1 to 13,720,393 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 13720393 cubic inches would be around 19.9 feet tall.

Recreational maths with 13720393

• 13720393 backwards is 39302731
• The number of decimal digits it has is: 8
• The sum of 13720393's digits is 28
• More coming soon!