80981

Names of 80981

• Cardinal: 80981 can be written as Eighty thousand, nine hundred eighty-one.

Scientific notation

• Scientific notation: 8.0981 × 10⁴

Factors of 80981

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 1770

Divisors of 80981

• Number of divisors d(n): 4
• Complete list of divisors:
  1 47 1723 80981
• Sum of all divisors σ(n): 82752
• Sum of proper divisors (its aliquot sum) s(n): 1771
• 80981 is a deficient number, because the sum of its proper divisors (1771) is less than itself. Its deficiency is 79210

Bases of 80981

• Binary: 10011110001010101₂
• Hexadecimal: 0x13C55
• Base-36: 1QHH

Squares and roots of 80981

• 80981 squared (80981²) is 6557922361
• 80981 cubed (80981³) is 531067110716141
• The square root of 80981 is 284.5716078601
• The cube root of 80981 is 43.2641037901

Scales and comparisons

• 80,981 seconds is equal to 22 hours, 29 minutes, 41 seconds.
• To count from 1 to 80,981 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 80981 cubic inches would be around 3.6 feet tall.

Recreational maths with 80981

• 80981 backwards is 18908
• The number of decimal digits it has is: 5
• The sum of 80981's digits is 26
• More coming soon!