85240

Names of 85240

• Cardinal: 85240 can be written as Eighty-five thousand, two hundred forty.

Scientific notation

• Scientific notation: 8.524 × 10⁴

Factors of 85240

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 2138

Divisors of 85240

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 4 5 8 10 20 40 2131 4262 8524 10655 17048 21310 42620 85240
• Sum of all divisors σ(n): 191880
• Sum of proper divisors (its aliquot sum) s(n): 106640
• 85240 is an abundant number, because the sum of its proper divisors (106640) is greater than itself. Its abundance is 21400

Bases of 85240

• Binary: 10100110011111000₂
• Hexadecimal: 0x14CF8
• Base-36: 1TRS

Squares and roots of 85240

• 85240 squared (85240²) is 7265857600
• 85240 cubed (85240³) is 619341701824000
• The square root of 85240 is 291.9589012173
• The cube root of 85240 is 44.0096397611

Scales and comparisons

• 85,240 seconds is equal to 23 hours, 40 minutes, 40 seconds.
• To count from 1 to 85,240 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 85240 cubic inches would be around 3.7 feet tall.

Recreational maths with 85240

• 85240 backwards is 04258
• The number of decimal digits it has is: 5
• The sum of 85240's digits is 19
• More coming soon!