40939993

Names of 40939993

• Cardinal: 40939993 can be written as Forty million, nine hundred thirty-nine thousand, nine hundred ninety-three.

Scientific notation

• Scientific notation: 4.0939993 × 10⁷

Factors of 40939993

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 40939993

Divisors of 40939993

• Number of divisors d(n): 2
• Complete list of divisors:
  1 40939993
• Sum of all divisors σ(n): 40939994
• Sum of proper divisors (its aliquot sum) s(n): 1
• 40939993 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 40939992

Bases of 40939993

• Binary: 10011100001011000111011001₂
• Hexadecimal: 0x270B1D9
• Base-36: ODHI1

Squares and roots of 40939993

• 40939993 squared (40939993²) is 1676083026840049
• 40939993 cubed (40939993³) is 68618827386250418179657
• The square root of 40939993 is 6398.4367622099
• The cube root of 40939993 is 344.6534165577

Scales and comparisons

• 40,939,993 seconds is equal to 1 year, 15 weeks, 4 days, 20 hours, 13 minutes, 13 seconds.
• To count from 1 to 40,939,993 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 40939993 cubic inches would be around 28.7 feet tall.

Recreational maths with 40939993

• 40939993 backwards is 39993904
• The number of decimal digits it has is: 8
• The sum of 40939993's digits is 46
• More coming soon!