20506

Names of 20506

• Cardinal: 20506 can be written as Twenty thousand, five hundred six.

Scientific notation

• Scientific notation: 2.0506 × 10⁴

Factors of 20506

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 10255

Divisors of 20506

• Number of divisors d(n): 4
• Complete list of divisors:
  1 2 10253 20506
• Sum of all divisors σ(n): 30762
• Sum of proper divisors (its aliquot sum) s(n): 10256
• 20506 is a deficient number, because the sum of its proper divisors (10256) is less than itself. Its deficiency is 10250

Bases of 20506

• Binary: 101000000011010₂
• Hexadecimal: 0x501A
• Base-36: FTM

Squares and roots of 20506

• 20506 squared (20506²) is 420496036
• 20506 cubed (20506³) is 8622691714216
• The square root of 20506 is 143.1991620087
• The cube root of 20506 is 27.3711882129

Scales and comparisons

• 20,506 seconds is equal to 5 hours, 41 minutes, 46 seconds.
• To count from 1 to 20,506 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 20506 cubic inches would be around 2.3 feet tall.

Recreational maths with 20506

• 20506 backwards is 60502
• The number of decimal digits it has is: 5
• The sum of 20506's digits is 13
• More coming soon!