91225

Names of 91225

• Cardinal: 91225 can be written as Ninety-one thousand, two hundred twenty-five.

Scientific notation

• Scientific notation: 9.1225 × 10⁴

Factors of 91225

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 135

Divisors of 91225

• Number of divisors d(n): 12
• Complete list of divisors:
  1 5 25 41 89 205 445 1025 2225 3649 18245 91225
• Sum of all divisors σ(n): 117180
• Sum of proper divisors (its aliquot sum) s(n): 25955
• 91225 is a deficient number, because the sum of its proper divisors (25955) is less than itself. Its deficiency is 65270

Bases of 91225

• Binary: 10110010001011001₂
• Hexadecimal: 0x16459
• Base-36: 1YE1

Squares and roots of 91225

• 91225 squared (91225²) is 8322000625
• 91225 cubed (91225³) is 759174507015625
• The square root of 91225 is 302.0347662107
• The cube root of 91225 is 45.0164548877

Scales and comparisons

• 91,225 seconds is equal to 1 day, 1 hour, 20 minutes, 25 seconds.
• To count from 1 to 91,225 would take you about twenty 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 91225 cubic inches would be around 3.8 feet tall.

Recreational maths with 91225

• 91225 backwards is 52219
• The number of decimal digits it has is: 5
• The sum of 91225's digits is 19
• More coming soon!