18438080349227777

Names of 18438080349227777

• Cardinal: 18438080349227777 can be written as Eighteen quadrillion, four hundred thirty-eight trillion, eighty billion, three hundred forty-nine million, two hundred twenty-seven thousand, seven hundred seventy-seven.

Scientific notation

• Scientific notation: 1.8438080349227777 × 10¹⁶

Factors of 18438080349227777

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 4704761

Divisors of 18438080349227777

• Number of divisors d(n): 18
• Complete list of divisors:
  1 7 17 49 119 833 4704737 32933159 79980529 230532113 559863703 3919045921 22134550239169 154941851674183 376287354065873 1084592961719281 2634011478461111 18438080349227777
• Sum of all divisors σ(n): 22710053372448582
• Sum of proper divisors (its aliquot sum) s(n): 4271973023220805
• 18438080349227777 is a deficient number, because the sum of its proper divisors (4271973023220805) is less than itself. Its deficiency is 14166107326006972

Bases of 18438080349227777

• Binary: 1000001100000010101011000011101100011100100101100000001₂
• Hexadecimal: 0x4181561D8E4B01
• Base-36: 51JR56ESWSH

Squares and roots of 18438080349227777

• 18438080349227777 squared (18438080349227777²) is 339962806964579503056360228361729
• 18438080349227777 cubed (18438080349227777³) is 6268261550561929382633631991489216502298970546433
• The square root of 18438080349227777 is 135786893.1422608881
• The cube root of 18438080349227777 is 264183.2231169367

Scales and comparisons

• 18,438,080,349,227,777 seconds is equal to 586,273,922 years, 19 weeks, 4 days, 16 hours, 36 minutes, 17 seconds.
• To count from 1 to 18,438,080,349,227,777 would take you about one billion, seven hundred fifty-eight million, eight hundred twenty-one thousand, seven hundred sixty-seven 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 18438080349227777 cubic inches would be around 22015.3 feet tall.

Recreational maths with 18438080349227777

• 18438080349227777 backwards is 77772294308083481
• The number of decimal digits it has is: 17
• The sum of 18438080349227777's digits is 80
• More coming soon!