40401745

Names of 40401745

• Cardinal: 40401745 can be written as Forty million, four hundred one thousand, seven hundred forty-five.

Scientific notation

• Scientific notation: 4.0401745 × 10⁷

Factors of 40401745

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 41219

Divisors of 40401745

• Number of divisors d(n): 8
• Complete list of divisors:
  1 5 197 985 41017 205085 8080349 40401745
• Sum of all divisors σ(n): 48729384
• Sum of proper divisors (its aliquot sum) s(n): 8327639
• 40401745 is a deficient number, because the sum of its proper divisors (8327639) is less than itself. Its deficiency is 32074106

Bases of 40401745

• Binary: 10011010000111101101010001₂
• Hexadecimal: 0x2687B51
• Base-36: O1Y6P

Squares and roots of 40401745

• 40401745 squared (40401745²) is 1632300999045025
• 40401745 cubed (40401745³) is 65947808726662343568625
• The square root of 40401745 is 6356.2367010679
• The cube root of 40401745 is 343.1363345525

Scales and comparisons

• 40,401,745 seconds is equal to 1 year, 14 weeks, 5 days, 14 hours, 42 minutes, 25 seconds.
• To count from 1 to 40,401,745 would take you about forty-eight weeks!

  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 40401745 cubic inches would be around 28.6 feet tall.

Recreational maths with 40401745

• 40401745 backwards is 54710404
• The number of decimal digits it has is: 8
• The sum of 40401745's digits is 25
• More coming soon!