85642

Names of 85642

• Cardinal: 85642 can be written as Eighty-five thousand, six hundred forty-two.

Scientific notation

• Scientific notation: 8.5642 × 10⁴

Factors of 85642

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 42823

Divisors of 85642

• Number of divisors d(n): 4
• Complete list of divisors:
  1 2 42821 85642
• Sum of all divisors σ(n): 128466
• Sum of proper divisors (its aliquot sum) s(n): 42824
• 85642 is a deficient number, because the sum of its proper divisors (42824) is less than itself. Its deficiency is 42818

Bases of 85642

• Binary: 10100111010001010₂
• Hexadecimal: 0x14E8A
• Base-36: 1U2Y

Squares and roots of 85642

• 85642 squared (85642²) is 7334552164
• 85642 cubed (85642³) is 628145716429288
• The square root of 85642 is 292.6465444867
• The cube root of 85642 is 44.0787158429

Scales and comparisons

• 85,642 seconds is equal to 23 hours, 47 minutes, 22 seconds.
• To count from 1 to 85,642 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 85642 cubic inches would be around 3.7 feet tall.

Recreational maths with 85642

• 85642 backwards is 24658
• The number of decimal digits it has is: 5
• The sum of 85642's digits is 25
• More coming soon!