185

Names of 185

• Cardinal: 185 can be written as One hundred eighty-five.

Scientific notation

• Scientific notation: 1.85 × 10²

Factors of 185

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 42

Divisors of 185

• Number of divisors d(n): 4
• Complete list of divisors:
  1 5 37 185
• Sum of all divisors σ(n): 228
• Sum of proper divisors (its aliquot sum) s(n): 43
• 185 is a deficient number, because the sum of its proper divisors (43) is less than itself. Its deficiency is 142

Bases of 185

• Binary: 10111001₂
• Hexadecimal: 0xB9
• Base-36: 55

Squares and roots of 185

• 185 squared (185²) is 34225
• 185 cubed (185³) is 6331625
• The square root of 185 is 13.6014705087
• The cube root of 185 is 5.6980192153

Scales and comparisons

• 185 seconds is equal to 3 minutes, 5 seconds.
• To count from 1 to 185 would take you about thirty-two seconds.

  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 185 cubic inches would be around 0.5 feet tall.

Recreational maths with 185

• 185 backwards is 581
• The number of decimal digits it has is: 3
• The sum of 185's digits is 14
• More coming soon!