20165

Names of 20165

• Cardinal: 20165 can be written as Twenty thousand, one hundred sixty-five.

Scientific notation

• Scientific notation: 2.0165 × 10⁴

Factors of 20165

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 151

Divisors of 20165

• Number of divisors d(n): 8
• Complete list of divisors:
  1 5 37 109 185 545 4033 20165
• Sum of all divisors σ(n): 25080
• Sum of proper divisors (its aliquot sum) s(n): 4915
• 20165 is a deficient number, because the sum of its proper divisors (4915) is less than itself. Its deficiency is 15250

Bases of 20165

• Binary: 100111011000101₂
• Hexadecimal: 0x4EC5
• Base-36: FK5

Squares and roots of 20165

• 20165 squared (20165²) is 406627225
• 20165 cubed (20165³) is 8199637992125
• The square root of 20165 is 142.0035210831
• The cube root of 20165 is 27.2186183083

Scales and comparisons

• 20,165 seconds is equal to 5 hours, 36 minutes, 5 seconds.
• To count from 1 to 20,165 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 20165 cubic inches would be around 2.3 feet tall.

Recreational maths with 20165

• 20165 backwards is 56102
• The number of decimal digits it has is: 5
• The sum of 20165's digits is 14
• More coming soon!