42115856

Names of 42115856

• Cardinal: 42115856 can be written as Forty-two million, one hundred fifteen thousand, eight hundred fifty-six.

Scientific notation

• Scientific notation: 4.2115856 × 10⁷

Factors of 42115856

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 202

Divisors of 42115856

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 8 16 19 31 38 41 62 76 82 109 124 152 164 218 248 304 328 436 496 589 656 779 872 1178 1271 1558 1744 2071 2356 2542 3116 3379 4142 4469 4712 5084 6232 6758 8284 8938 9424 10168 12464 13516 16568 17876 20336 24149 27032 33136 35752 48298 54064 64201 71504 84911 96596 128402 138539 169822 193192 256804 277078 339644 386384 513608 554156 679288 1027216 1108312 1358576 2216624 2632241 5264482 10528964 21057928 42115856
• Sum of all divisors σ(n): 91660800
• Sum of proper divisors (its aliquot sum) s(n): 49544944
• 42115856 is an abundant number, because the sum of its proper divisors (49544944) is greater than itself. Its abundance is 7429088

Bases of 42115856

• Binary: 10100000101010001100010000₂
• Hexadecimal: 0x282A310
• Base-36: P2OSW

Squares and roots of 42115856

• 42115856 squared (42115856²) is 1773745326612736
• 42115856 cubed (42115856³) is 74702802756294957142016
• The square root of 42115856 is 6489.6730272027
• The cube root of 42115856 is 347.9219889433

Scales and comparisons

• 42,115,856 seconds is equal to 1 year, 17 weeks, 4 days, 10 hours, 50 minutes, 56 seconds.
• To count from 1 to 42,115,856 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 42115856 cubic inches would be around 29 feet tall.

Recreational maths with 42115856

• 42115856 backwards is 65851124
• The number of decimal digits it has is: 8
• The sum of 42115856's digits is 32
• More coming soon!