85665

Names of 85665

• Cardinal: 85665 can be written as Eighty-five thousand, six hundred sixty-five.

Scientific notation

• Scientific notation: 8.5665 × 10⁴

Factors of 85665

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 5719

Divisors of 85665

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 5 15 5711 17133 28555 85665
• Sum of all divisors σ(n): 137088
• Sum of proper divisors (its aliquot sum) s(n): 51423
• 85665 is a deficient number, because the sum of its proper divisors (51423) is less than itself. Its deficiency is 34242

Bases of 85665

• Binary: 10100111010100001₂
• Hexadecimal: 0x14EA1
• Base-36: 1U3L

Squares and roots of 85665

• 85665 squared (85665²) is 7338492225
• 85665 cubed (85665³) is 628651936454625
• The square root of 85665 is 292.6858384001
• The cube root of 85665 is 44.0826614137

Scales and comparisons

• 85,665 seconds is equal to 23 hours, 47 minutes, 45 seconds.
• To count from 1 to 85,665 would take you about twenty-three 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 85665 cubic inches would be around 3.7 feet tall.

Recreational maths with 85665

• 85665 backwards is 56658
• The number of decimal digits it has is: 5
• The sum of 85665's digits is 30
• More coming soon!