13661

Names of 13661

• Cardinal: 13661 can be written as Thirteen thousand, six hundred sixty-one.

Scientific notation

• Scientific notation: 1.3661 × 10⁴

Factors of 13661

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 738

Divisors of 13661

• Number of divisors d(n): 4
• Complete list of divisors:
  1 19 719 13661
• Sum of all divisors σ(n): 14400
• Sum of proper divisors (its aliquot sum) s(n): 739
• 13661 is a deficient number, because the sum of its proper divisors (739) is less than itself. Its deficiency is 12922

Bases of 13661

• Binary: 11010101011101₂
• Hexadecimal: 0x355D
• Base-36: AJH

Squares and roots of 13661

• 13661 squared (13661²) is 186622921
• 13661 cubed (13661³) is 2549455723781
• The square root of 13661 is 116.8802806293
• The cube root of 13661 is 23.9052981025

Scales and comparisons

• 13,661 seconds is equal to 3 hours, 47 minutes, 41 seconds.
• To count from 1 to 13,661 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 13661 cubic inches would be around 2 feet tall.

Recreational maths with 13661

• 13661 backwards is 16631
• The number of decimal digits it has is: 5
• The sum of 13661's digits is 17
• More coming soon!