13729

Names of 13729

• Cardinal: 13729 can be written as Thirteen thousand, seven hundred twenty-nine.

Scientific notation

• Scientific notation: 1.3729 × 10⁴

Factors of 13729

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 13729

Divisors of 13729

• Number of divisors d(n): 2
• Complete list of divisors:
  1 13729
• Sum of all divisors σ(n): 13730
• Sum of proper divisors (its aliquot sum) s(n): 1
• 13729 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 13728

Bases of 13729

• Binary: 11010110100001₂
• Hexadecimal: 0x35A1
• Base-36: ALD

Squares and roots of 13729

• 13729 squared (13729²) is 188485441
• 13729 cubed (13729³) is 2587716619489
• The square root of 13729 is 117.1708154789
• The cube root of 13729 is 23.9448967295

Scales and comparisons

• 13,729 seconds is equal to 3 hours, 48 minutes, 49 seconds.
• To count from 1 to 13,729 would take you about three hours.

  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 13729 cubic inches would be around 2 feet tall.

Recreational maths with 13729

• 13729 backwards is 92731
• The number of decimal digits it has is: 5
• The sum of 13729's digits is 22
• More coming soon!