40742912

Names of 40742912

• Cardinal: 40742912 can be written as Forty million, seven hundred forty-two thousand, nine hundred twelve.

Scientific notation

• Scientific notation: 4.0742912 × 10⁷

Factors of 40742912

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 38

Divisors of 40742912

• Number of divisors d(n): 104
• Complete list of divisors:
  1 2 4 7 8 14 16 28 29 32 49 56 58 64 98 112 116 128 196 203 224 232 256 343 392 406 448 464 512 686 784 812 896 928 1024 1372 1421 1568 1624 1792 1856 2048 2744 2842 3136 3248 3584 3712 4096 5488 5684 6272 6496 7168 7424 9947 10976 11368 12544 12992 14336 14848 19894 21952 22736 25088 25984 28672 29696 39788 43904 45472 50176 51968 59392 79576 87808 90944 100352 103936 118784 159152 175616 181888 200704 207872 318304 351232 363776 415744 636608 702464 727552 831488 1273216 1404928 1455104 2546432 2910208 5092864 5820416 10185728 20371456 40742912
• Sum of all divisors σ(n): 98292000
• Sum of proper divisors (its aliquot sum) s(n): 57549088
• 40742912 is an abundant number, because the sum of its proper divisors (57549088) is greater than itself. Its abundance is 16806176

Bases of 40742912

• Binary: 10011011011011000000000000₂
• Hexadecimal: 0x26DB000
• Base-36: O99FK

Squares and roots of 40742912

• 40742912 squared (40742912²) is 1659984878239744
• 40742912 cubed (40742912³) is 67632617815452604694528
• The square root of 40742912 is 6383.0174682511
• The cube root of 40742912 is 344.0994844767

Scales and comparisons

• 40,742,912 seconds is equal to 1 year, 15 weeks, 2 days, 13 hours, 28 minutes, 32 seconds.
• To count from 1 to 40,742,912 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 40742912 cubic inches would be around 28.7 feet tall.

Recreational maths with 40742912

• 40742912 backwards is 21924704
• 40742912 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 40742912's digits is 29
• More coming soon!