40745

Names of 40745

• Cardinal: 40745 can be written as Forty thousand, seven hundred forty-five.

Scientific notation

• Scientific notation: 4.0745 × 10⁴

Factors of 40745

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 315

Divisors of 40745

• Number of divisors d(n): 8
• Complete list of divisors:
  1 5 29 145 281 1405 8149 40745
• Sum of all divisors σ(n): 50760
• Sum of proper divisors (its aliquot sum) s(n): 10015
• 40745 is a deficient number, because the sum of its proper divisors (10015) is less than itself. Its deficiency is 30730

Bases of 40745

• Binary: 1001111100101001₂
• Hexadecimal: 0x9F29
• Base-36: VFT

Squares and roots of 40745

• 40745 squared (40745²) is 1660155025
• 40745 cubed (40745³) is 67643016493625
• The square root of 40745 is 201.8539075669
• The cube root of 40745 is 34.4105362533

Scales and comparisons

• 40,745 seconds is equal to 11 hours, 19 minutes, 5 seconds.
• To count from 1 to 40,745 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 40745 cubic inches would be around 2.9 feet tall.

Recreational maths with 40745

• 40745 backwards is 54704
• The number of decimal digits it has is: 5
• The sum of 40745's digits is 20
• More coming soon!