20923

Names of 20923

• Cardinal: 20923 can be written as Twenty thousand, nine hundred twenty-three.

Scientific notation

• Scientific notation: 2.0923 × 10⁴

Factors of 20923

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 68

Divisors of 20923

• Number of divisors d(n): 8
• Complete list of divisors:
  1 7 49 61 343 427 2989 20923
• Sum of all divisors σ(n): 24800
• Sum of proper divisors (its aliquot sum) s(n): 3877
• 20923 is a deficient number, because the sum of its proper divisors (3877) is less than itself. Its deficiency is 17046

Bases of 20923

• Binary: 101000110111011₂
• Hexadecimal: 0x51BB
• Base-36: G57

Squares and roots of 20923

• 20923 squared (20923²) is 437771929
• 20923 cubed (20923³) is 9159502070467
• The square root of 20923 is 144.6478482385
• The cube root of 20923 is 27.5554802817

Scales and comparisons

• 20,923 seconds is equal to 5 hours, 48 minutes, 43 seconds.
• To count from 1 to 20,923 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 20923 cubic inches would be around 2.3 feet tall.

Recreational maths with 20923

• 20923 backwards is 32902
• The number of decimal digits it has is: 5
• The sum of 20923's digits is 16
• More coming soon!