40289181816

Names of 40289181816

• Cardinal: 40289181816 can be written as Forty billion, two hundred eighty-nine million, one hundred eighty-one thousand, eight hundred sixteen.

Scientific notation

• Scientific notation: 4.0289181816 × 10¹⁰

Factors of 40289181816

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1200

Divisors of 40289181816

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 8 12 13 24 26 39 52 78 104 113 156 226 312 339 452 678 904 1069 1356 1469 2138 2712 2938 3207 4276 4407 5876 6414 8552 8814 11752 12828 13897 17628 25656 27794 35256 41691 55588 83382 111176 120797 166764 241594 333528 362391 483188 724782 966376 1142761 1449564 1570361 2285522 2899128 3140722 3428283 4571044 4711083 6281444 6856566 9142088 9422166 12562888 13713132 14855893 18844332 27426264 29711786 37688664 44567679 59423572 89135358 118847144 129131993 178270716 258263986 356541432 387395979 516527972 774791958 1033055944 1549583916 1678715909 3099167832 3357431818 5036147727 6714863636 10072295454 13429727272 20144590908 40289181816
• Sum of all divisors σ(n): 109533256560
• Sum of proper divisors (its aliquot sum) s(n): 69244074744
• 40289181816 is an abundant number, because the sum of its proper divisors (69244074744) is greater than itself. Its abundance is 28954892928

Bases of 40289181816

• Binary: 100101100001011011000010000001111000₂
• Hexadecimal: 0x9616C2078
• Base-36: IIB4ZNC

Squares and roots of 40289181816

• 40289181816 squared (40289181816²) is 1623218171402705057856
• 40289181816 cubed (40289181816³) is 65398132034678635830183183146496
• The square root of 40289181816 is 200721.6525838705
• The cube root of 40289181816 is 3428.1736776421

Scales and comparisons

• 40,289,181,816 seconds is equal to 1,281 years, 3 weeks, 4 days, 23 hours, 23 minutes, 36 seconds.
• To count from 1 to 40,289,181,816 would take you about two thousand, five hundred sixty-two 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 40289181816 cubic inches would be around 285.7 feet tall.

Recreational maths with 40289181816

• 40289181816 backwards is 61818198204
• The number of decimal digits it has is: 11
• The sum of 40289181816's digits is 48
• More coming soon!