20431

Names of 20431

• Cardinal: 20431 can be written as Twenty thousand, four hundred thirty-one.

Scientific notation

• Scientific notation: 2.0431 × 10⁴

Factors of 20431

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 20431

Divisors of 20431

• Number of divisors d(n): 2
• Complete list of divisors:
  1 20431
• Sum of all divisors σ(n): 20432
• Sum of proper divisors (its aliquot sum) s(n): 1
• 20431 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 20430

Bases of 20431

• Binary: 100111111001111₂
• Hexadecimal: 0x4FCF
• Base-36: FRJ

Squares and roots of 20431

• 20431 squared (20431²) is 417425761
• 20431 cubed (20431³) is 8528425722991
• The square root of 20431 is 142.9370490811
• The cube root of 20431 is 27.3377777161

Scales and comparisons

• 20,431 seconds is equal to 5 hours, 40 minutes, 31 seconds.
• To count from 1 to 20,431 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 20431 cubic inches would be around 2.3 feet tall.

Recreational maths with 20431

• 20431 backwards is 13402
• The number of decimal digits it has is: 5
• The sum of 20431's digits is 10
• More coming soon!