18043749249483864

Names of 18043749249483864

• Cardinal: 18043749249483864 can be written as Eighteen quadrillion, forty-three trillion, seven hundred forty-nine billion, two hundred forty-nine million, four hundred eighty-three thousand, eight hundred sixty-four.

Scientific notation

• Scientific notation: 1.8043749249483864 × 10¹⁶

Factors of 18043749249483864

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 751822885395166

Divisors of 18043749249483864

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 3 4 6 8 12 24 751822885395161 1503645770790322 2255468656185483 3007291541580644 4510937312370966 6014583083161288 9021874624741932 18043749249483864
• Sum of all divisors σ(n): 45109373123709720
• Sum of proper divisors (its aliquot sum) s(n): 27065623874225856
• 18043749249483864 is an abundant number, because the sum of its proper divisors (27065623874225856) is greater than itself. Its abundance is 9021874624741992

Bases of 18043749249483864

• Binary: 1000000000110101011000111000000011011101000010001011000₂
• Hexadecimal: 0x401AB1C06E8458
• Base-36: 4XNZ3YZCCBC

Squares and roots of 18043749249483864

• 18043749249483864 squared (18043749249483864²) is 325576886978249505374470396370496
• 18043749249483864 cubed (18043749249483864³) is 5874627710063082326776065396951382269626917676544
• The square root of 18043749249483864 is 134327023.5264813125
• The cube root of 18043749249483864 is 262286.2925759729

Scales and comparisons

• 18,043,749,249,483,864 seconds is equal to 573,735,413 years, 7 weeks, 6 days, 13 hours, 4 minutes, 24 seconds.
• To count from 1 to 18,043,749,249,483,864 would take you about one billion, seven hundred twenty-one million, two hundred six thousand, two hundred thirty-nine 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 18043749249483864 cubic inches would be around 21857.2 feet tall.

Recreational maths with 18043749249483864

• 18043749249483864 backwards is 46838494294734081
• The number of decimal digits it has is: 17
• The sum of 18043749249483864's digits is 84
• More coming soon!