40338816

Names of 40338816

• Cardinal: 40338816 can be written as Forty million, three hundred thirty-eight thousand, eight hundred sixteen.

Scientific notation

• Scientific notation: 4.0338816 × 10⁷

Factors of 40338816

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 404

Divisors of 40338816

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 43 48 56 64 84 86 96 112 128 129 168 172 192 224 258 301 336 344 349 384 448 516 602 672 688 698 896 903 1032 1047 1204 1344 1376 1396 1806 2064 2094 2408 2443 2688 2752 2792 3612 4128 4188 4816 4886 5504 5584 7224 7329 8256 8376 9632 9772 11168 14448 14658 15007 16512 16752 19264 19544 22336 28896 29316 30014 33504 38528 39088 44672 45021 57792 58632 60028 67008 78176 90042 105049 115584 117264 120056 134016 156352 180084 210098 234528 240112 312704 315147 360168 420196 469056 480224 630294 720336 840392 938112 960448 1260588 1440672 1680784 1920896 2521176 2881344 3361568 5042352 5762688 6723136 10084704 13446272 20169408 40338816
• Sum of all divisors σ(n): 125664000
• Sum of proper divisors (its aliquot sum) s(n): 85325184
• 40338816 is an abundant number, because the sum of its proper divisors (85325184) is greater than itself. Its abundance is 44986368

Bases of 40338816

• Binary: 10011001111000010110000000₂
• Hexadecimal: 0x2678580
• Base-36: O0LMO

Squares and roots of 40338816

• 40338816 squared (40338816²) is 1627220076281856
• 40338816 cubed (40338816³) is 65640131248639753322496
• The square root of 40338816 is 6351.2845944737
• The cube root of 40338816 is 342.9580877369

Scales and comparisons

• 40,338,816 seconds is equal to 1 year, 14 weeks, 4 days, 21 hours, 13 minutes, 36 seconds.
• To count from 1 to 40,338,816 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 40338816 cubic inches would be around 28.6 feet tall.

Recreational maths with 40338816

• 40338816 backwards is 61883304
• The number of decimal digits it has is: 8
• The sum of 40338816's digits is 33
• More coming soon!