81296

Names of 81296

• Cardinal: 81296 can be written as Eighty-one thousand, two hundred ninety-six.

Scientific notation

• Scientific notation: 8.1296 × 10⁴

Factors of 81296

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 5083

Divisors of 81296

• Number of divisors d(n): 10
• Complete list of divisors:
  1 2 4 8 16 5081 10162 20324 40648 81296
• Sum of all divisors σ(n): 157542
• Sum of proper divisors (its aliquot sum) s(n): 76246
• 81296 is a deficient number, because the sum of its proper divisors (76246) is less than itself. Its deficiency is 5050

Bases of 81296

• Binary: 10011110110010000₂
• Hexadecimal: 0x13D90
• Base-36: 1QQ8

Squares and roots of 81296

• 81296 squared (81296²) is 6609039616
• 81296 cubed (81296³) is 537288484622336
• The square root of 81296 is 285.1245341951
• The cube root of 81296 is 43.3201274685

Scales and comparisons

• 81,296 seconds is equal to 22 hours, 34 minutes, 56 seconds.
• To count from 1 to 81,296 would take you about twenty-two hours.

  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 81296 cubic inches would be around 3.6 feet tall.

Recreational maths with 81296

• 81296 backwards is 69218
• The number of decimal digits it has is: 5
• The sum of 81296's digits is 26
• More coming soon!