13985

Names of 13985

• Cardinal: 13985 can be written as Thirteen thousand, nine hundred eighty-five.

Scientific notation

• Scientific notation: 1.3985 × 10⁴

Factors of 13985

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 2802

Divisors of 13985

• Number of divisors d(n): 4
• Complete list of divisors:
  1 5 2797 13985
• Sum of all divisors σ(n): 16788
• Sum of proper divisors (its aliquot sum) s(n): 2803
• 13985 is a deficient number, because the sum of its proper divisors (2803) is less than itself. Its deficiency is 11182

Bases of 13985

• Binary: 11011010100001₂
• Hexadecimal: 0x36A1
• Base-36: ASH

Squares and roots of 13985

• 13985 squared (13985²) is 195580225
• 13985 cubed (13985³) is 2735189446625
• The square root of 13985 is 118.2581921051
• The cube root of 13985 is 24.0928119149

Scales and comparisons

• 13,985 seconds is equal to 3 hours, 53 minutes, 5 seconds.
• To count from 1 to 13,985 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 13985 cubic inches would be around 2 feet tall.

Recreational maths with 13985

• 13985 backwards is 58931
• The number of decimal digits it has is: 5
• The sum of 13985's digits is 26
• More coming soon!