20560

Names of 20560

• Cardinal: 20560 can be written as Twenty thousand, five hundred sixty.

Scientific notation

• Scientific notation: 2.056 × 10⁴

Factors of 20560

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 264

Divisors of 20560

• Number of divisors d(n): 20
• Complete list of divisors:
  1 2 4 5 8 10 16 20 40 80 257 514 1028 1285 2056 2570 4112 5140 10280 20560
• Sum of all divisors σ(n): 47988
• Sum of proper divisors (its aliquot sum) s(n): 27428
• 20560 is an abundant number, because the sum of its proper divisors (27428) is greater than itself. Its abundance is 6868

Bases of 20560

• Binary: 101000001010000₂
• Hexadecimal: 0x5050
• Base-36: FV4

Squares and roots of 20560

• 20560 squared (20560²) is 422713600
• 20560 cubed (20560³) is 8690991616000
• The square root of 20560 is 143.3875866315
• The cube root of 20560 is 27.3951933601

Scales and comparisons

• 20,560 seconds is equal to 5 hours, 42 minutes, 40 seconds.
• To count from 1 to 20,560 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 20560 cubic inches would be around 2.3 feet tall.

Recreational maths with 20560

• 20560 backwards is 06502
• The number of decimal digits it has is: 5
• The sum of 20560's digits is 13
• More coming soon!