13911

Names of 13911

• Cardinal: 13911 can be written as Thirteen thousand, nine hundred eleven.

Scientific notation

• Scientific notation: 1.3911 × 10⁴

Factors of 13911

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 4640

Divisors of 13911

• Number of divisors d(n): 4
• Complete list of divisors:
  1 3 4637 13911
• Sum of all divisors σ(n): 18552
• Sum of proper divisors (its aliquot sum) s(n): 4641
• 13911 is a deficient number, because the sum of its proper divisors (4641) is less than itself. Its deficiency is 9270

Bases of 13911

• Binary: 11011001010111₂
• Hexadecimal: 0x3657
• Base-36: AQF

Squares and roots of 13911

• 13911 squared (13911²) is 193515921
• 13911 cubed (13911³) is 2691999977031
• The square root of 13911 is 117.9449023909
• The cube root of 13911 is 24.0502419715

Scales and comparisons

• 13,911 seconds is equal to 3 hours, 51 minutes, 51 seconds.
• To count from 1 to 13,911 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 13911 cubic inches would be around 2 feet tall.

Recreational maths with 13911

• 13911 backwards is 11931
• The number of decimal digits it has is: 5
• The sum of 13911's digits is 15
• More coming soon!