20512

Names of 20512

• Cardinal: 20512 can be written as Twenty thousand, five hundred twelve.

Scientific notation

• Scientific notation: 2.0512 × 10⁴

Factors of 20512

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 643

Divisors of 20512

• Number of divisors d(n): 12
• Complete list of divisors:
  1 2 4 8 16 32 641 1282 2564 5128 10256 20512
• Sum of all divisors σ(n): 40446
• Sum of proper divisors (its aliquot sum) s(n): 19934
• 20512 is a deficient number, because the sum of its proper divisors (19934) is less than itself. Its deficiency is 578

Bases of 20512

• Binary: 101000000100000₂
• Hexadecimal: 0x5020
• Base-36: FTS

Squares and roots of 20512

• 20512 squared (20512²) is 420742144
• 20512 cubed (20512³) is 8630262857728
• The square root of 20512 is 143.2201103199
• The cube root of 20512 is 27.3738575311

Scales and comparisons

• 20,512 seconds is equal to 5 hours, 41 minutes, 52 seconds.
• To count from 1 to 20,512 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 20512 cubic inches would be around 2.3 feet tall.

Recreational maths with 20512

• 20512 backwards is 21502
• The number of decimal digits it has is: 5
• The sum of 20512's digits is 10
• More coming soon!