18308998574899199

Names of 18308998574899199

• Cardinal: 18308998574899199 can be written as Eighteen quadrillion, three hundred eight trillion, nine hundred ninety-eight billion, five hundred seventy-four million, eight hundred ninety-nine thousand, one hundred ninety-nine.

Scientific notation

• Scientific notation: 1.8308998574899199 × 10¹⁶

Factors of 18308998574899199

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 19389805

Divisors of 18308998574899199

• Number of divisors d(n): 8
• Complete list of divisors:
  1 211 7008427 12381167 1478778097 2612426237 86772505094309 18308998574899199
• Sum of all divisors σ(n): 18395775190587648
• Sum of proper divisors (its aliquot sum) s(n): 86776615688449
• 18308998574899199 is a deficient number, because the sum of its proper divisors (86776615688449) is less than itself. Its deficiency is 18222221959210750

Bases of 18308998574899199

• Binary: 1000001000010111110111111101100001111111111111111111111₂
• Hexadecimal: 0x410BEFEC3FFFFF
• Base-36: 509ZXTV5RZZ

Squares and roots of 18308998574899199

• 18308998574899199 squared (18308998574899199²) is 335219428815660899894293010841601
• 18308998574899199 cubed (18308998574899199³) is 6137532044464458900203780951761087629932730777599
• The square root of 18308998574899199 is 135310748.1869019857
• The cube root of 18308998574899199 is 263565.2786520263

Scales and comparisons

• 18,308,998,574,899,199 seconds is equal to 582,169,521 years, 11 weeks, 6 days, 23 hours, 59 minutes, 59 seconds.
• To count from 1 to 18,308,998,574,899,199 would take you about one billion, seven hundred forty-six million, five hundred eight thousand, five hundred sixty-three 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 18308998574899199 cubic inches would be around 21963.8 feet tall.

Recreational maths with 18308998574899199

• 18308998574899199 backwards is 99199847589980381
• The number of decimal digits it has is: 17
• The sum of 18308998574899199's digits is 107
• More coming soon!