20908

Names of 20908

• Cardinal: 20908 can be written as Twenty thousand, nine hundred eight.

Scientific notation

• Scientific notation: 2.0908 × 10⁴

Factors of 20908

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 5229

Divisors of 20908

• Number of divisors d(n): 6
• Complete list of divisors:
  1 2 4 5227 10454 20908
• Sum of all divisors σ(n): 36596
• Sum of proper divisors (its aliquot sum) s(n): 15688
• 20908 is a deficient number, because the sum of its proper divisors (15688) is less than itself. Its deficiency is 5220

Bases of 20908

• Binary: 101000110101100₂
• Hexadecimal: 0x51AC
• Base-36: G4S

Squares and roots of 20908

• 20908 squared (20908²) is 437144464
• 20908 cubed (20908³) is 9139816453312
• The square root of 20908 is 144.5959888793
• The cube root of 20908 is 27.5488937339

Scales and comparisons

• 20,908 seconds is equal to 5 hours, 48 minutes, 28 seconds.
• To count from 1 to 20,908 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 20908 cubic inches would be around 2.3 feet tall.

Recreational maths with 20908

• 20908 backwards is 80902
• The number of decimal digits it has is: 5
• The sum of 20908's digits is 19
• More coming soon!