21166

Names of 21166

• Cardinal: 21166 can be written as Twenty-one thousand, one hundred sixty-six.

Scientific notation

• Scientific notation: 2.1166 × 10⁴

Factors of 21166

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 578

Divisors of 21166

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 19 38 557 1114 10583 21166
• Sum of all divisors σ(n): 33480
• Sum of proper divisors (its aliquot sum) s(n): 12314
• 21166 is a deficient number, because the sum of its proper divisors (12314) is less than itself. Its deficiency is 8852

Bases of 21166

• Binary: 101001010101110₂
• Hexadecimal: 0x52AE
• Base-36: GBY

Squares and roots of 21166

• 21166 squared (21166²) is 447999556
• 21166 cubed (21166³) is 9482358602296
• The square root of 21166 is 145.4853944559
• The cube root of 21166 is 27.6617465163

Scales and comparisons

• 21,166 seconds is equal to 5 hours, 52 minutes, 46 seconds.
• To count from 1 to 21,166 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 21166 cubic inches would be around 2.3 feet tall.

Recreational maths with 21166

• 21166 backwards is 66112
• The number of decimal digits it has is: 5
• The sum of 21166's digits is 16
• More coming soon!