11681

Names of 11681

• Cardinal: 11681 can be written as Eleven thousand, six hundred eighty-one.

Scientific notation

• Scientific notation: 1.1681 × 10⁴

Factors of 11681

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 11681

Divisors of 11681

• Number of divisors d(n): 2
• Complete list of divisors:
  1 11681
• Sum of all divisors σ(n): 11682
• Sum of proper divisors (its aliquot sum) s(n): 1
• 11681 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 11680

Bases of 11681

• Binary: 10110110100001₂
• Hexadecimal: 0x2DA1
• Base-36: 90H

Squares and roots of 11681

• 11681 squared (11681²) is 136445761
• 11681 cubed (11681³) is 1593822934241
• The square root of 11681 is 108.0786750473
• The cube root of 11681 is 22.6895913779

Scales and comparisons

• 11,681 seconds is equal to 3 hours, 14 minutes, 41 seconds.
• To count from 1 to 11,681 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 11681 cubic inches would be around 1.9 feet tall.

Recreational maths with 11681

• 11681 backwards is 18611
• The number of decimal digits it has is: 5
• The sum of 11681's digits is 17
• More coming soon!