21941

Names of 21941

• Cardinal: 21941 can be written as Twenty-one thousand, nine hundred forty-one.

Scientific notation

• Scientific notation: 2.1941 × 10⁴

Factors of 21941

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 630

Divisors of 21941

• Number of divisors d(n): 4
• Complete list of divisors:
  1 37 593 21941
• Sum of all divisors σ(n): 22572
• Sum of proper divisors (its aliquot sum) s(n): 631
• 21941 is a deficient number, because the sum of its proper divisors (631) is less than itself. Its deficiency is 21310

Bases of 21941

• Binary: 101010110110101₂
• Hexadecimal: 0x55B5
• Base-36: GXH

Squares and roots of 21941

• 21941 squared (21941²) is 481407481
• 21941 cubed (21941³) is 10562561540621
• The square root of 21941 is 148.1249472571
• The cube root of 21941 is 27.9953223479

Scales and comparisons

• 21,941 seconds is equal to 6 hours, 5 minutes, 41 seconds.
• To count from 1 to 21,941 would take you about six 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 21941 cubic inches would be around 2.3 feet tall.

Recreational maths with 21941

• 21941 backwards is 14912
• The number of decimal digits it has is: 5
• The sum of 21941's digits is 17
• More coming soon!