87997

Names of 87997

• Cardinal: 87997 can be written as Eighty-seven thousand, nine hundred ninety-seven.

Scientific notation

• Scientific notation: 8.7997 × 10⁴

Factors of 87997

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 987

Divisors of 87997

• Number of divisors d(n): 8
• Complete list of divisors:
  1 7 13 91 967 6769 12571 87997
• Sum of all divisors σ(n): 108416
• Sum of proper divisors (its aliquot sum) s(n): 20419
• 87997 is a deficient number, because the sum of its proper divisors (20419) is less than itself. Its deficiency is 67578

Bases of 87997

• Binary: 10101011110111101₂
• Hexadecimal: 0x157BD
• Base-36: 1VWD

Squares and roots of 87997

• 87997 squared (87997²) is 7743472009
• 87997 cubed (87997³) is 681402306375973
• The square root of 87997 is 296.6428829417
• The cube root of 87997 is 44.4790963557

Scales and comparisons

• 87,997 seconds is equal to 1 day, 26 minutes, 37 seconds.
• To count from 1 to 87,997 would take you about twenty-six 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 87997 cubic inches would be around 3.7 feet tall.

Recreational maths with 87997

• 87997 backwards is 79978
• The number of decimal digits it has is: 5
• The sum of 87997's digits is 40
• More coming soon!