40805712

Names of 40805712

• Cardinal: 40805712 can be written as Forty million, eight hundred five thousand, seven hundred twelve.

Scientific notation

• Scientific notation: 4.0805712 × 10⁷

Factors of 40805712

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 312

Divisors of 40805712

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 17 18 24 34 36 48 51 68 72 79 102 136 144 153 158 204 211 237 272 306 316 408 422 474 612 632 633 711 816 844 948 1224 1264 1266 1343 1422 1688 1896 1899 2448 2532 2686 2844 3376 3587 3792 3798 4029 5064 5372 5688 7174 7596 8058 10128 10744 10761 11376 12087 14348 15192 16116 16669 21488 21522 24174 28696 30384 32232 32283 33338 43044 48348 50007 57392 64464 64566 66676 86088 96696 100014 129132 133352 150021 172176 193392 200028 258264 266704 283373 300042 400056 516528 566746 600084 800112 850119 1133492 1200168 1700238 2266984 2400336 2550357 3400476 4533968 5100714 6800952 10201428 13601904 20402856 40805712
• Sum of all divisors σ(n): 123027840
• Sum of proper divisors (its aliquot sum) s(n): 82222128
• 40805712 is an abundant number, because the sum of its proper divisors (82222128) is greater than itself. Its abundance is 41416416

Bases of 40805712

• Binary: 10011011101010010101010000₂
• Hexadecimal: 0x26EA550
• Base-36: OALW0

Squares and roots of 40805712

• 40805712 squared (40805712²) is 1665106131826944
• 40805712 cubed (40805712³) is 67945841264764310704128
• The square root of 40805712 is 6387.9348775641
• The cube root of 40805712 is 344.2761888681

Scales and comparisons

• 40,805,712 seconds is equal to 1 year, 15 weeks, 3 days, 6 hours, 55 minutes, 12 seconds.
• To count from 1 to 40,805,712 would take you about forty-nine 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 40805712 cubic inches would be around 28.7 feet tall.

Recreational maths with 40805712

• 40805712 backwards is 21750804
• The number of decimal digits it has is: 8
• The sum of 40805712's digits is 27
• More coming soon!