18023022690

Names of 18023022690

• Cardinal: 18023022690 can be written as Eighteen billion, twenty-three million, twenty-two thousand, six hundred ninety.

Scientific notation

• Scientific notation: 1.802302269 × 10¹⁰

Factors of 18023022690

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 8461594

Divisors of 18023022690

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 3 5 6 10 15 30 71 142 213 355 426 710 1065 2130 8461513 16923026 25384539 42307565 50769078 84615130 126922695 253845390 600767423 1201534846 1802302269 3003837115 3604604538 6007674230 9011511345 18023022690
• Sum of all divisors σ(n): 43864488576
• Sum of proper divisors (its aliquot sum) s(n): 25841465886
• 18023022690 is an abundant number, because the sum of its proper divisors (25841465886) is greater than itself. Its abundance is 7818443196

Bases of 18023022690

• Binary: 10000110010010000011000000001100010₂
• Hexadecimal: 0x432418062
• Base-36: 8A2FXB6

Squares and roots of 18023022690

• 18023022690 squared (18023022690²) is 324829346884254836100
• 18023022690 cubed (18023022690³) is 5854406689272805714772531109000
• The square root of 18023022690 is 134249.8517317617
• The cube root of 18023022690 is 2621.8582610739

Scales and comparisons

• 18,023,022,690 seconds is equal to 573 years, 3 weeks, 6 days, 19 hours, 11 minutes, 30 seconds.
• To count from 1 to 18,023,022,690 would take you about one thousand, one hundred forty-six 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 18023022690 cubic inches would be around 218.5 feet tall.

Recreational maths with 18023022690

• 18023022690 backwards is 09622032081
• The number of decimal digits it has is: 11
• The sum of 18023022690's digits is 33
• More coming soon!