85132121

Names of 85132121

• Cardinal: 85132121 can be written as Eighty-five million, one hundred thirty-two thousand, one hundred twenty-one.

Scientific notation

• Scientific notation: 8.5132121 × 10⁷

Factors of 85132121

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 85132121

Divisors of 85132121

• Number of divisors d(n): 2
• Complete list of divisors:
  1 85132121
• Sum of all divisors σ(n): 85132122
• Sum of proper divisors (its aliquot sum) s(n): 1
• 85132121 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 85132120

Bases of 85132121

• Binary: 101000100110000001101011001₂
• Hexadecimal: 0x5130359
• Base-36: 1EOOD5

Squares and roots of 85132121

• 85132121 squared (85132121²) is 7247478025958641
• 85132121 cubed (85132121³) is 616993176250752166607561
• The square root of 85132121 is 9226.7069423493
• The cube root of 85132121 is 439.9106585135

Scales and comparisons

• 85,132,121 seconds is equal to 2 years, 36 weeks, 5 days, 7 hours, 48 minutes, 41 seconds.
• To count from 1 to 85,132,121 would take you about four years!

  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 85132121 cubic inches would be around 36.7 feet tall.

Recreational maths with 85132121

• 85132121 backwards is 12123158
• The number of decimal digits it has is: 8
• The sum of 85132121's digits is 23
• More coming soon!