40729971

Names of 40729971

• Cardinal: 40729971 can be written as Forty million, seven hundred twenty-nine thousand, nine hundred seventy-one.

Scientific notation

• Scientific notation: 4.0729971 × 10⁷

Factors of 40729971

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 34261

Divisors of 40729971

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 401 1203 33857 101571 13576657 40729971
• Sum of all divisors σ(n): 54443664
• Sum of proper divisors (its aliquot sum) s(n): 13713693
• 40729971 is a deficient number, because the sum of its proper divisors (13713693) is less than itself. Its deficiency is 27016278

Bases of 40729971

• Binary: 10011011010111110101110011₂
• Hexadecimal: 0x26D7D73
• Base-36: O8ZG3

Squares and roots of 40729971

• 40729971 squared (40729971²) is 1658930537660841
• 40729971 cubed (40729971³) is 67568192689940461765611
• The square root of 40729971 is 6382.0036822303
• The cube root of 40729971 is 344.0630489943

Scales and comparisons

• 40,729,971 seconds is equal to 1 year, 15 weeks, 2 days, 9 hours, 52 minutes, 51 seconds.
• To count from 1 to 40,729,971 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 40729971 cubic inches would be around 28.7 feet tall.

Recreational maths with 40729971

• 40729971 backwards is 17992704
• The number of decimal digits it has is: 8
• The sum of 40729971's digits is 39
• More coming soon!