21076

Names of 21076

• Cardinal: 21076 can be written as Twenty-one thousand and seventy-six.

Scientific notation

• Scientific notation: 2.1076 × 10⁴

Factors of 21076

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 492

Divisors of 21076

• Number of divisors d(n): 12
• Complete list of divisors:
  1 2 4 11 22 44 479 958 1916 5269 10538 21076
• Sum of all divisors σ(n): 40320
• Sum of proper divisors (its aliquot sum) s(n): 19244
• 21076 is a deficient number, because the sum of its proper divisors (19244) is less than itself. Its deficiency is 1832

Bases of 21076

• Binary: 101001001010100₂
• Hexadecimal: 0x5254
• Base-36: G9G

Squares and roots of 21076

• 21076 squared (21076²) is 444197776
• 21076 cubed (21076³) is 9361912326976
• The square root of 21076 is 145.1757555517
• The cube root of 21076 is 27.6224839543

Scales and comparisons

• 21,076 seconds is equal to 5 hours, 51 minutes, 16 seconds.
• To count from 1 to 21,076 would take you about five 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 21076 cubic inches would be around 2.3 feet tall.

Recreational maths with 21076

• 21076 backwards is 67012
• The number of decimal digits it has is: 5
• The sum of 21076's digits is 16
• More coming soon!