40390807506

Names of 40390807506

• Cardinal: 40390807506 can be written as Forty billion, three hundred ninety million, eight hundred seven thousand, five hundred six.

Scientific notation

• Scientific notation: 4.0390807506 × 10¹⁰

Factors of 40390807506

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2720

Divisors of 40390807506

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 6 7 14 19 21 38 42 49 57 98 114 133 147 266 294 399 798 931 1862 2689 2793 5378 5586 8067 16134 18823 37646 51091 56469 102182 112938 131761 153273 263522 306546 357637 395283 715274 790566 1072911 2145822 2503459 5006918 7230721 7510377 14461442 15020754 21692163 43384326 50615047 101230094 137383699 151845141 274767398 303690282 354305329 412151097 708610658 824302194 961685893 1062915987 1923371786 2125831974 2885057679 5770115358 6731801251 13463602502 20195403753 40390807506
• Sum of all divisors σ(n): 98953062480
• Sum of proper divisors (its aliquot sum) s(n): 58562254974
• 40390807506 is an abundant number, because the sum of its proper divisors (58562254974) is greater than itself. Its abundance is 18171447468

Bases of 40390807506

• Binary: 100101100111011110101100111111010010₂
• Hexadecimal: 0x9677ACFD2
• Base-36: IJZN6J6

Squares and roots of 40390807506

• 40390807506 squared (40390807506²) is 1631417330986745940036
• 40390807506 cubed (40390807506³) is 65894263377837944301321094710216
• The square root of 40390807506 is 200974.6439379853
• The cube root of 40390807506 is 3431.0536732311

Scales and comparisons

• 40,390,807,506 seconds is equal to 1,284 years, 15 weeks, 5 days, 4 hours, 45 minutes, 6 seconds.
• To count from 1 to 40,390,807,506 would take you about two thousand, five hundred sixty-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 40390807506 cubic inches would be around 285.9 feet tall.

Recreational maths with 40390807506

• 40390807506 backwards is 60570809304
• 40390807506 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 40390807506's digits is 42
• More coming soon!