40749394

Names of 40749394

• Cardinal: 40749394 can be written as Forty million, seven hundred forty-nine thousand, three hundred ninety-four.

Scientific notation

• Scientific notation: 4.0749394 × 10⁷

Factors of 40749394

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 2910680

Divisors of 40749394

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 7 14 2910671 5821342 20374697 40749394
• Sum of all divisors σ(n): 69856128
• Sum of proper divisors (its aliquot sum) s(n): 29106734
• 40749394 is a deficient number, because the sum of its proper divisors (29106734) is less than itself. Its deficiency is 11642660

Bases of 40749394

• Binary: 10011011011100100101010010₂
• Hexadecimal: 0x26DC952
• Base-36: O9EFM

Squares and roots of 40749394

• 40749394 squared (40749394²) is 1660513111367236
• 40749394 cubed (40749394³) is 67664903017269378454984
• The square root of 40749394 is 6383.5252016421
• The cube root of 40749394 is 344.1177316963

Scales and comparisons

• 40,749,394 seconds is equal to 1 year, 15 weeks, 2 days, 15 hours, 16 minutes, 34 seconds.
• To count from 1 to 40,749,394 would take you about forty-nine 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 40749394 cubic inches would be around 28.7 feet tall.

Recreational maths with 40749394

• 40749394 backwards is 49394704
• The number of decimal digits it has is: 8
• The sum of 40749394's digits is 40
• More coming soon!