40668721857218

Names of 40668721857218

• Cardinal: 40668721857218 can be written as Forty trillion, six hundred sixty-eight billion, seven hundred twenty-one million, eight hundred fifty-seven thousand, two hundred eighteen.

Scientific notation

• Scientific notation: 4.0668721857218 × 10¹³

Factors of 40668721857218

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 30892

Divisors of 40668721857218

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 7 13 14 26 41 73 82 91 146 182 287 511 533 574 949 1022 1066 1898 2657 2993 3731 5314 5986 6643 7462 13286 18599 20951 28099 34541 37198 38909 41902 56198 69082 77818 108937 193961 196693 217874 241787 272363 365287 387922 393386 483574 544726 730574 762559 1152059 1357727 1416181 1525118 2051227 2304118 2521493 2557009 2715454 2832362 4102454 5042986 5114018 7952401 8064413 9913267 14358589 14976767 15904802 16128826 17650451 19826534 26665951 28717178 29953534 35300902 53331902 55666807 74659043 84100307 103381213 104837369 111333614 149318086 168200614 186661657 206762426 209674738 373323314 522613301 588702149 723668491 970567559 1045226602 1093303991 1177404298 1447336982 1941135118 2186607982 3061020763 5450110139 6122041526 6793972913 7653127937 10900220278 13587945826 15306255874 21427145341 38150770973 39793269919 42854290682 70851431807 76301541946 79586539838 141702863614 223454515699 278552889433 446909031398 495960022649 557105778866 991920045298 1564181609893 2904908704087 3128363219786 5809817408174 20334360928609 40668721857218
• Sum of all divisors σ(n): 77997661862400
• Sum of proper divisors (its aliquot sum) s(n): 37328940005182
• 40668721857218 is a deficient number, because the sum of its proper divisors (37328940005182) is less than itself. Its deficiency is 3339781852036

Bases of 40668721857218

• Binary: 1001001111110011101100101110000100001011000010₂
• Hexadecimal: 0x24FCECB842C2
• Base-36: EEYYAYI82

Squares and roots of 40668721857218

• 40668721857218 squared (40668721857218²) is 1653944937499761091178699524
• 40668721857218 cubed (40668721857218³) is 67263826630331592817472295142411252564232
• The square root of 40668721857218 is 6377203.2943303603
• The cube root of 40668721857218 is 34389.0496788431

Scales and comparisons

• 40,668,721,857,218 seconds is equal to 1,293,139 years, 29 weeks, 6 hours, 33 minutes, 38 seconds.
• To count from 1 to 40,668,721,857,218 would take you about three million, two hundred thirty-two thousand, eight hundred forty-eight years!

  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 40668721857218 cubic inches would be around 2865.8 feet tall.

Recreational maths with 40668721857218

• 40668721857218 backwards is 81275812786604
• The number of decimal digits it has is: 14
• The sum of 40668721857218's digits is 65
• More coming soon!