40542768

Names of 40542768

• Cardinal: 40542768 can be written as Forty million, five hundred forty-two thousand, seven hundred sixty-eight.

Scientific notation

• Scientific notation: 4.0542768 × 10⁷

Factors of 40542768

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 162

Divisors of 40542768

• Number of divisors d(n): 200
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 36 41 42 48 54 56 63 72 81 82 84 108 109 112 123 126 144 162 164 168 189 216 218 246 252 287 324 327 328 336 369 378 432 436 492 504 567 574 648 654 656 738 756 763 861 872 981 984 1008 1107 1134 1148 1296 1308 1476 1512 1526 1722 1744 1962 1968 2214 2268 2289 2296 2583 2616 2943 2952 3024 3052 3321 3444 3924 4428 4469 4536 4578 4592 5166 5232 5886 5904 6104 6642 6867 6888 7749 7848 8829 8856 8938 9072 9156 10332 11772 12208 13284 13407 13734 13776 15498 15696 17658 17712 17876 18312 20601 20664 23247 23544 26568 26814 27468 30996 31283 35316 35752 36624 40221 41202 41328 46494 47088 53136 53628 54936 61803 61992 62566 70632 71504 80442 82404 92988 93849 107256 109872 120663 123606 123984 125132 141264 160884 164808 185976 187698 214512 241326 247212 250264 281547 321768 329616 361989 371952 375396 482652 494424 500528 563094 643536 723978 750792 844641 965304 988848 1126188 1447956 1501584 1689282 1930608 2252376 2533923 2895912 3378564 4504752 5067846 5791824 6757128 10135692 13514256 20271384 40542768
• Sum of all divisors σ(n): 138636960
• Sum of proper divisors (its aliquot sum) s(n): 98094192
• 40542768 is an abundant number, because the sum of its proper divisors (98094192) is greater than itself. Its abundance is 57551424

Bases of 40542768

• Binary: 10011010101010001000110000₂
• Hexadecimal: 0x26AA230
• Base-36: O4Z00

Squares and roots of 40542768

• 40542768 squared (40542768²) is 1643716037101824
• 40542768 cubed (40542768³) is 66640797950098642808832
• The square root of 40542768 is 6367.3203154859
• The cube root of 40542768 is 343.5351120645

Scales and comparisons

• 40,542,768 seconds is equal to 1 year, 15 weeks, 5 hours, 52 minutes, 48 seconds.
• To count from 1 to 40,542,768 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 40542768 cubic inches would be around 28.6 feet tall.

Recreational maths with 40542768

• 40542768 backwards is 86724504
• 40542768 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 40542768's digits is 36
• More coming soon!