20465

Names of 20465

• Cardinal: 20465 can be written as Twenty thousand, four hundred sixty-five.

Scientific notation

• Scientific notation: 2.0465 × 10⁴

Factors of 20465

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 4098

Divisors of 20465

• Number of divisors d(n): 4
• Complete list of divisors:
  1 5 4093 20465
• Sum of all divisors σ(n): 24564
• Sum of proper divisors (its aliquot sum) s(n): 4099
• 20465 is a deficient number, because the sum of its proper divisors (4099) is less than itself. Its deficiency is 16366

Bases of 20465

• Binary: 100111111110001₂
• Hexadecimal: 0x4FF1
• Base-36: FSH

Squares and roots of 20465

• 20465 squared (20465²) is 418816225
• 20465 cubed (20465³) is 8571074044625
• The square root of 20465 is 143.0559331171
• The cube root of 20465 is 27.3529339219

Scales and comparisons

• 20,465 seconds is equal to 5 hours, 41 minutes, 5 seconds.
• To count from 1 to 20,465 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 20465 cubic inches would be around 2.3 feet tall.

Recreational maths with 20465

• 20465 backwards is 56402
• The number of decimal digits it has is: 5
• The sum of 20465's digits is 17
• More coming soon!