40181

Names of 40181

• Cardinal: 40181 can be written as Forty thousand, one hundred eighty-one.

Scientific notation

• Scientific notation: 4.0181 × 10⁴

Factors of 40181

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

Divisors of 40181

• Number of divisors d(n): 4
• Complete list of divisors:
  1 23 1747 40181
• Sum of all divisors σ(n): 41952
• Sum of proper divisors (its aliquot sum) s(n): 1771
• 40181 is a deficient number, because the sum of its proper divisors (1771) is less than itself. Its deficiency is 38410

Bases of 40181

• Binary: 1001110011110101₂
• Hexadecimal: 0x9CF5
• Base-36: V05

Squares and roots of 40181

• 40181 squared (40181²) is 1614512761
• 40181 cubed (40181³) is 64872737249741
• The square root of 40181 is 200.4519892643
• The cube root of 40181 is 34.2510255965

Scales and comparisons

• 40,181 seconds is equal to 11 hours, 9 minutes, 41 seconds.
• To count from 1 to 40,181 would take you about eleven 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 40181 cubic inches would be around 2.9 feet tall.

Recreational maths with 40181

• 40181 backwards is 18104
• The number of decimal digits it has is: 5
• The sum of 40181's digits is 14
• More coming soon!