65001

Names of 65001

• Cardinal: 65001 can be written as Sixty-five thousand and one.

Scientific notation

• Scientific notation: 6.5001 × 10⁴

Factors of 65001

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 511

Divisors of 65001

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 47 141 461 1383 21667 65001
• Sum of all divisors σ(n): 88704
• Sum of proper divisors (its aliquot sum) s(n): 23703
• 65001 is a deficient number, because the sum of its proper divisors (23703) is less than itself. Its deficiency is 41298

Bases of 65001

• Binary: 1111110111101001₂
• Hexadecimal: 0xFDE9
• Base-36: 1E5L

Squares and roots of 65001

• 65001 squared (65001²) is 4225130001
• 65001 cubed (65001³) is 274637675195001
• The square root of 65001 is 254.9529368333
• The cube root of 65001 is 40.2074637759

Scales and comparisons

• 65,001 seconds is equal to 18 hours, 3 minutes, 21 seconds.
• To count from 1 to 65,001 would take you about eighteen 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 65001 cubic inches would be around 3.4 feet tall.

Recreational maths with 65001

• 65001 backwards is 10056
• The number of decimal digits it has is: 5
• The sum of 65001's digits is 12
• More coming soon!