85990

Names of 85990

• Cardinal: 85990 can be written as Eighty-five thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 8.599 × 10⁴

Factors of 85990

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 8606

Divisors of 85990

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 5 10 8599 17198 42995 85990
• Sum of all divisors σ(n): 154800
• Sum of proper divisors (its aliquot sum) s(n): 68810
• 85990 is a deficient number, because the sum of its proper divisors (68810) is less than itself. Its deficiency is 17180

Bases of 85990

• Binary: 10100111111100110₂
• Hexadecimal: 0x14FE6
• Base-36: 1UCM

Squares and roots of 85990

• 85990 squared (85990²) is 7394280100
• 85990 cubed (85990³) is 635834145799000
• The square root of 85990 is 293.2405156181
• The cube root of 85990 is 44.1383387035

Scales and comparisons

• 85,990 seconds is equal to 23 hours, 53 minutes, 10 seconds.
• To count from 1 to 85,990 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 85990 cubic inches would be around 3.7 feet tall.

Recreational maths with 85990

• 85990 backwards is 09958
• The number of decimal digits it has is: 5
• The sum of 85990's digits is 31
• More coming soon!