13999

Names of 13999

• Cardinal: 13999 can be written as Thirteen thousand, nine hundred ninety-nine.

Scientific notation

• Scientific notation: 1.3999 × 10⁴

Factors of 13999

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 13999

Divisors of 13999

• Number of divisors d(n): 2
• Complete list of divisors:
  1 13999
• Sum of all divisors σ(n): 14000
• Sum of proper divisors (its aliquot sum) s(n): 1
• 13999 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 13998

Bases of 13999

• Binary: 11011010101111₂
• Hexadecimal: 0x36AF
• Base-36: ASV

Squares and roots of 13999

• 13999 squared (13999²) is 195972001
• 13999 cubed (13999³) is 2743412041999
• The square root of 13999 is 118.3173698153
• The cube root of 13999 is 24.1008487845

Scales and comparisons

• 13,999 seconds is equal to 3 hours, 53 minutes, 19 seconds.
• To count from 1 to 13,999 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 13999 cubic inches would be around 2 feet tall.

Recreational maths with 13999

• 13999 backwards is 99931
• The number of decimal digits it has is: 5
• The sum of 13999's digits is 31
• More coming soon!