42453642

Names of 42453642

• Cardinal: 42453642 can be written as Forty-two million, four hundred fifty-three thousand, six hundred forty-two.

Scientific notation

• Scientific notation: 4.2453642 × 10⁷

Factors of 42453642

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 2203

Divisors of 42453642

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 7 11 14 21 22 33 42 43 66 77 86 129 154 231 258 301 462 473 602 903 946 1419 1806 2137 2838 3311 4274 6411 6622 9933 12822 14959 19866 23507 29918 44877 47014 70521 89754 91891 141042 164549 183782 275673 329098 493647 551346 643237 987294 1010801 1286474 1929711 2021602 3032403 3859422 6064806 7075607 14151214 21226821 42453642
• Sum of all divisors σ(n): 108370944
• Sum of proper divisors (its aliquot sum) s(n): 65917302
• 42453642 is an abundant number, because the sum of its proper divisors (65917302) is greater than itself. Its abundance is 23463660

Bases of 42453642

• Binary: 10100001111100101010001010₂
• Hexadecimal: 0x287CA8A
• Base-36: P9XFU

Squares and roots of 42453642

• 42453642 squared (42453642²) is 1802311719064164
• 42453642 cubed (42453642³) is 76514696493554593485288
• The square root of 42453642 is 6515.6459388153
• The cube root of 42453642 is 348.8496710275

Scales and comparisons

• 42,453,642 seconds is equal to 1 year, 18 weeks, 1 day, 8 hours, 40 minutes, 42 seconds.
• To count from 1 to 42,453,642 would take you about two years!

  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 42453642 cubic inches would be around 29.1 feet tall.

Recreational maths with 42453642

• 42453642 backwards is 24635424
• The number of decimal digits it has is: 8
• The sum of 42453642's digits is 30
• More coming soon!