40175981

Names of 40175981

• Cardinal: 40175981 can be written as Forty million, one hundred seventy-five thousand, nine hundred eighty-one.

Scientific notation

• Scientific notation: 4.0175981 × 10⁷

Factors of 40175981

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 2363310

Divisors of 40175981

• Number of divisors d(n): 4
• Complete list of divisors:
  1 17 2363293 40175981
• Sum of all divisors σ(n): 42539292
• Sum of proper divisors (its aliquot sum) s(n): 2363311
• 40175981 is a deficient number, because the sum of its proper divisors (2363311) is less than itself. Its deficiency is 37812670

Bases of 40175981

• Binary: 10011001010000100101101101₂
• Hexadecimal: 0x265096D
• Base-36: NX3ZH

Squares and roots of 40175981

• 40175981 squared (40175981²) is 1614109449312361
• 40175981 cubed (40175981³) is 64848430567493878601141
• The square root of 40175981 is 6338.4525714089
• The cube root of 40175981 is 342.4959944121

Scales and comparisons

• 40,175,981 seconds is equal to 1 year, 14 weeks, 2 days, 23 hours, 59 minutes, 41 seconds.
• To count from 1 to 40,175,981 would take you about forty-seven 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 40175981 cubic inches would be around 28.5 feet tall.

Recreational maths with 40175981

• 40175981 backwards is 18957104
• The number of decimal digits it has is: 8
• The sum of 40175981's digits is 35
• More coming soon!