40397755

Names of 40397755

• Cardinal: 40397755 can be written as Forty million, three hundred ninety-seven thousand, seven hundred fifty-five.

Scientific notation

• Scientific notation: 4.0397755 × 10⁷

Factors of 40397755

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 8079556

Divisors of 40397755

• Number of divisors d(n): 4
• Complete list of divisors:
  1 5 8079551 40397755
• Sum of all divisors σ(n): 48477312
• Sum of proper divisors (its aliquot sum) s(n): 8079557
• 40397755 is a deficient number, because the sum of its proper divisors (8079557) is less than itself. Its deficiency is 32318198

Bases of 40397755

• Binary: 10011010000110101110111011₂
• Hexadecimal: 0x2686BBB
• Base-36: O1V3V

Squares and roots of 40397755

• 40397755 squared (40397755²) is 1631978609040025
• 40397755 cubed (40397755³) is 65928272013239715143875
• The square root of 40397755 is 6355.9228283547
• The cube root of 40397755 is 343.1250383487

Scales and comparisons

• 40,397,755 seconds is equal to 1 year, 14 weeks, 5 days, 13 hours, 35 minutes, 55 seconds.
• To count from 1 to 40,397,755 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 40397755 cubic inches would be around 28.6 feet tall.

Recreational maths with 40397755

• 40397755 backwards is 55779304
• The number of decimal digits it has is: 8
• The sum of 40397755's digits is 40
• More coming soon!