20312

Names of 20312

• Cardinal: 20312 can be written as Twenty thousand, three hundred twelve.

Scientific notation

• Scientific notation: 2.0312 × 10⁴

Factors of 20312

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 2541

Divisors of 20312

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 4 8 2539 5078 10156 20312
• Sum of all divisors σ(n): 38100
• Sum of proper divisors (its aliquot sum) s(n): 17788
• 20312 is a deficient number, because the sum of its proper divisors (17788) is less than itself. Its deficiency is 2524

Bases of 20312

• Binary: 100111101011000₂
• Hexadecimal: 0x4F58
• Base-36: FO8

Squares and roots of 20312

• 20312 squared (20312²) is 412577344
• 20312 cubed (20312³) is 8380271011328
• The square root of 20312 is 142.5201740105
• The cube root of 20312 is 27.2845981991

Scales and comparisons

• 20,312 seconds is equal to 5 hours, 38 minutes, 32 seconds.
• To count from 1 to 20,312 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 20312 cubic inches would be around 2.3 feet tall.

Recreational maths with 20312

• 20312 backwards is 21302
• 20312 is a Harshad number.
• The number of decimal digits it has is: 5
• The sum of 20312's digits is 8
• More coming soon!