20501

Names of 20501

• Cardinal: 20501 can be written as Twenty thousand, five hundred one.

Scientific notation

• Scientific notation: 2.0501 × 10⁴

Factors of 20501

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 115

Divisors of 20501

• Number of divisors d(n): 8
• Complete list of divisors:
  1 13 19 83 247 1079 1577 20501
• Sum of all divisors σ(n): 23520
• Sum of proper divisors (its aliquot sum) s(n): 3019
• 20501 is a deficient number, because the sum of its proper divisors (3019) is less than itself. Its deficiency is 17482

Bases of 20501

• Binary: 101000000010101₂
• Hexadecimal: 0x5015
• Base-36: FTH

Squares and roots of 20501

• 20501 squared (20501²) is 420291001
• 20501 cubed (20501³) is 8616385811501
• The square root of 20501 is 143.1817027417
• The cube root of 20501 is 27.3689633835

Scales and comparisons

• 20,501 seconds is equal to 5 hours, 41 minutes, 41 seconds.
• To count from 1 to 20,501 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 20501 cubic inches would be around 2.3 feet tall.

Recreational maths with 20501

• 20501 backwards is 10502
• The number of decimal digits it has is: 5
• The sum of 20501's digits is 8
• More coming soon!