40157743

Names of 40157743

• Cardinal: 40157743 can be written as Forty million, one hundred fifty-seven thousand, seven hundred forty-three.

Scientific notation

• Scientific notation: 4.0157743 × 10⁷

Factors of 40157743

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 9213

Divisors of 40157743

• Number of divisors d(n): 8
• Complete list of divisors:
  1 43 103 4429 9067 389881 933901 40157743
• Sum of all divisors σ(n): 41495168
• Sum of proper divisors (its aliquot sum) s(n): 1337425
• 40157743 is a deficient number, because the sum of its proper divisors (1337425) is less than itself. Its deficiency is 38820318

Bases of 40157743

• Binary: 10011001001100001000101111₂
• Hexadecimal: 0x264C22F
• Base-36: NWPWV

Squares and roots of 40157743

• 40157743 squared (40157743²) is 1612644322854049
• 40157743 cubed (40157743³) is 64760156267581926251407
• The square root of 40157743 is 6337.0137288789
• The cube root of 40157743 is 342.4441608935

Scales and comparisons

• 40,157,743 seconds is equal to 1 year, 14 weeks, 2 days, 18 hours, 55 minutes, 43 seconds.
• To count from 1 to 40,157,743 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 40157743 cubic inches would be around 28.5 feet tall.

Recreational maths with 40157743

• 40157743 backwards is 34775104
• The number of decimal digits it has is: 8
• The sum of 40157743's digits is 31
• More coming soon!