40975728

Names of 40975728

• Cardinal: 40975728 can be written as Forty million, nine hundred seventy-five thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 4.0975728 × 10⁷

Factors of 40975728

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 536

Divisors of 40975728

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 41 47 48 82 94 123 141 164 188 246 282 328 376 443 492 564 656 752 886 984 1128 1329 1772 1927 1968 2256 2658 3544 3854 5316 5781 7088 7708 10632 11562 15416 18163 20821 21264 23124 30832 36326 41642 46248 54489 62463 72652 83284 92496 108978 124926 145304 166568 217956 249852 290608 333136 435912 499704 853661 871824 999408 1707322 2560983 3414644 5121966 6829288 10243932 13658576 20487864 40975728
• Sum of all divisors σ(n): 110992896
• Sum of proper divisors (its aliquot sum) s(n): 70017168
• 40975728 is an abundant number, because the sum of its proper divisors (70017168) is greater than itself. Its abundance is 29041440

Bases of 40975728

• Binary: 10011100010011110101110000₂
• Hexadecimal: 0x2713D70
• Base-36: OE92O

Squares and roots of 40975728

• 40975728 squared (40975728²) is 1679010285129984
• 40975728 cubed (40975728³) is 68798668752688669028352
• The square root of 40975728 is 6401.2286320675
• The cube root of 40975728 is 344.7536657861

Scales and comparisons

• 40,975,728 seconds is equal to 1 year, 15 weeks, 5 days, 6 hours, 8 minutes, 48 seconds.
• To count from 1 to 40,975,728 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 40975728 cubic inches would be around 28.7 feet tall.

Recreational maths with 40975728

• 40975728 backwards is 82757904
• The number of decimal digits it has is: 8
• The sum of 40975728's digits is 42
• More coming soon!