20309

Names of 20309

• Cardinal: 20309 can be written as Twenty thousand, three hundred nine.

Scientific notation

• Scientific notation: 2.0309 × 10⁴

Factors of 20309

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 906

Divisors of 20309

• Number of divisors d(n): 4
• Complete list of divisors:
  1 23 883 20309
• Sum of all divisors σ(n): 21216
• Sum of proper divisors (its aliquot sum) s(n): 907
• 20309 is a deficient number, because the sum of its proper divisors (907) is less than itself. Its deficiency is 19402

Bases of 20309

• Binary: 100111101010101₂
• Hexadecimal: 0x4F55
• Base-36: FO5

Squares and roots of 20309

• 20309 squared (20309²) is 412455481
• 20309 cubed (20309³) is 8376558363629
• The square root of 20309 is 142.5096487961
• The cube root of 20309 is 27.2832548583

Scales and comparisons

• 20,309 seconds is equal to 5 hours, 38 minutes, 29 seconds.
• To count from 1 to 20,309 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 20309 cubic inches would be around 2.3 feet tall.

Recreational maths with 20309

• 20309 backwards is 90302
• The number of decimal digits it has is: 5
• The sum of 20309's digits is 14
• More coming soon!