40123965

Names of 40123965

• Cardinal: 40123965 can be written as Forty million, one hundred twenty-three thousand, nine hundred sixty-five.

Scientific notation

• Scientific notation: 4.0123965 × 10⁷

Factors of 40123965

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 13221

Divisors of 40123965

• Number of divisors d(n): 32
• Complete list of divisors:
  1 3 5 7 15 21 29 35 87 105 145 203 435 609 1015 3045 13177 39531 65885 92239 197655 276717 382133 461195 1146399 1383585 1910665 2674931 5731995 8024793 13374655 40123965
• Sum of all divisors σ(n): 75905280
• Sum of proper divisors (its aliquot sum) s(n): 35781315
• 40123965 is a deficient number, because the sum of its proper divisors (35781315) is less than itself. Its deficiency is 4342650

Bases of 40123965

• Binary: 10011001000011111000111101₂
• Hexadecimal: 0x2643E3D
• Base-36: NVZUL

Squares and roots of 40123965

• 40123965 squared (40123965²) is 1609932567321225
• 40123965 cubed (40123965³) is 64596877983556975657125
• The square root of 40123965 is 6334.3480327497
• The cube root of 40123965 is 342.3481202739

Scales and comparisons

• 40,123,965 seconds is equal to 1 year, 14 weeks, 2 days, 9 hours, 32 minutes, 45 seconds.
• To count from 1 to 40,123,965 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 40123965 cubic inches would be around 28.5 feet tall.

Recreational maths with 40123965

• 40123965 backwards is 56932104
• The number of decimal digits it has is: 8
• The sum of 40123965's digits is 30
• More coming soon!