40868646

Names of 40868646

• Cardinal: 40868646 can be written as Forty million, eight hundred sixty-eight thousand, six hundred forty-six.

Scientific notation

• Scientific notation: 4.0868646 × 10⁷

Factors of 40868646

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 79

Divisors of 40868646

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 6 7 13 14 17 21 26 34 37 39 42 49 51 74 78 91 98 102 111 119 147 182 221 222 238 259 273 289 294 357 442 481 518 546 578 629 637 663 714 777 833 867 962 1258 1274 1326 1443 1547 1554 1666 1734 1813 1887 1911 2023 2499 2886 3094 3367 3626 3757 3774 3822 4046 4403 4641 4998 5439 6069 6734 7514 8177 8806 9282 10101 10693 10829 10878 11271 12138 13209 14161 16354 20202 21386 21658 22542 23569 24531 26299 26418 28322 30821 32079 32487 42483 47138 49062 52598 57239 61642 64158 64974 70707 74851 78897 84966 92463 114478 139009 141414 149702 157794 171717 184093 184926 224553 278018 343434 368186 400673 417027 449106 523957 552279 801346 834054 973063 1047914 1104558 1202019 1571871 1946126 2404038 2919189 3143742 5838378 6811441 13622882 20434323 40868646
• Sum of all divisors σ(n): 111713616
• Sum of proper divisors (its aliquot sum) s(n): 70844970
• 40868646 is an abundant number, because the sum of its proper divisors (70844970) is greater than itself. Its abundance is 29976324

Bases of 40868646

• Binary: 10011011111001101100100110₂
• Hexadecimal: 0x26F9B26
• Base-36: OBYG6

Squares and roots of 40868646

• 40868646 squared (40868646²) is 1670246225873316
• 40868646 cubed (40868646³) is 68260701738052592450136
• The square root of 40868646 is 6392.8589848361
• The cube root of 40868646 is 344.4530885177

Scales and comparisons

• 40,868,646 seconds is equal to 1 year, 15 weeks, 4 days, 24 minutes, 6 seconds.
• To count from 1 to 40,868,646 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 40868646 cubic inches would be around 28.7 feet tall.

Recreational maths with 40868646

• 40868646 backwards is 64686804
• 40868646 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 40868646's digits is 42
• More coming soon!