13731213

Names of 13731213

• Cardinal: 13731213 can be written as Thirteen million, seven hundred thirty-one thousand, two hundred thirteen.

Scientific notation

• Scientific notation: 1.3731213 × 10⁷

Factors of 13731213

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 4577074

Divisors of 13731213

• Number of divisors d(n): 4
• Complete list of divisors:
  1 3 4577071 13731213
• Sum of all divisors σ(n): 18308288
• Sum of proper divisors (its aliquot sum) s(n): 4577075
• 13731213 is a deficient number, because the sum of its proper divisors (4577075) is less than itself. Its deficiency is 9154138

Bases of 13731213

• Binary: 110100011000010110001101₂
• Hexadecimal: 0xD1858D
• Base-36: 86B2L

Squares and roots of 13731213

• 13731213 squared (13731213²) is 188546210451369
• 13731213 cubed (13731213³) is 2588968176050573880597
• The square root of 13731213 is 3705.5651390845
• The cube root of 13731213 is 239.4618323279

Scales and comparisons

• 13,731,213 seconds is equal to 22 weeks, 4 days, 22 hours, 13 minutes, 33 seconds.
• To count from 1 to 13,731,213 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 13731213 cubic inches would be around 20 feet tall.

Recreational maths with 13731213

• 13731213 backwards is 31213731
• The number of decimal digits it has is: 8
• The sum of 13731213's digits is 21
• More coming soon!