485

Names of 485

• Cardinal: 485 can be written as Four hundred eighty-five.

Scientific notation

• Scientific notation: 4.85 × 10²

Factors of 485

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 102

Divisors of 485

• Number of divisors d(n): 4
• Complete list of divisors:
  1 5 97 485
• Sum of all divisors σ(n): 588
• Sum of proper divisors (its aliquot sum) s(n): 103
• 485 is a deficient number, because the sum of its proper divisors (103) is less than itself. Its deficiency is 382

Bases of 485

• Binary: 111100101₂
• Hexadecimal: 0x1E5
• Base-36: DH

Squares and roots of 485

• 485 squared (485²) is 235225
• 485 cubed (485³) is 114084125
• The square root of 485 is 22.0227155455
• The cube root of 485 is 7.8568280079

Scales and comparisons

• 485 seconds is equal to 8 minutes, 5 seconds.
• To count from 1 to 485 would take you about four minutes.

  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 485 cubic inches would be around 0.7 feet tall.

Recreational maths with 485

• 485 backwards is 584
• The number of decimal digits it has is: 3
• The sum of 485's digits is 17
• More coming soon!