18279820799

Names of 18279820799

• Cardinal: 18279820799 can be written as Eighteen billion, two hundred seventy-nine million, eight hundred twenty thousand, seven hundred ninety-nine.

Scientific notation

• Scientific notation: 1.8279820799 × 10¹⁰

Factors of 18279820799

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 287736

Divisors of 18279820799

• Number of divisors d(n): 4
• Complete list of divisors:
  1 94693 193043 18279820799
• Sum of all divisors σ(n): 18280108536
• Sum of proper divisors (its aliquot sum) s(n): 287737
• 18279820799 is a deficient number, because the sum of its proper divisors (287737) is less than itself. Its deficiency is 18279533062

Bases of 18279820799

• Binary: 10001000001100011111110110111111111₂
• Hexadecimal: 0x4418FEDFF
• Base-36: 8EBBZZZ

Squares and roots of 18279820799

• 18279820799 squared (18279820799²) is 334151848443552998401
• 18279820799 cubed (18279820799³) is 6108235909202755877629413542399
• The square root of 18279820799 is 135202.8875394309
• The cube root of 18279820799 is 2634.2519566929

Scales and comparisons

• 18,279,820,799 seconds is equal to 581 years, 12 weeks, 3 days, 23 hours, 59 minutes, 59 seconds.
• To count from 1 to 18,279,820,799 would take you about one thousand, one 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 18279820799 cubic inches would be around 219.5 feet tall.

Recreational maths with 18279820799

• 18279820799 backwards is 99702897281
• The number of decimal digits it has is: 11
• The sum of 18279820799's digits is 62
• More coming soon!