818990479466514431

Names of 818990479466514431

• Cardinal: 818990479466514431 can be written as Eight hundred eighteen quadrillion, nine hundred ninety trillion, four hundred seventy-nine billion, four hundred sixty-six million, five hundred fourteen thousand, four hundred thirty-one.

Scientific notation

• Scientific notation: 8.18990479466514431 × 10¹⁷

Factors of 818990479466514431

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 376646248969

Divisors of 818990479466514431

• Number of divisors d(n): 8
• Complete list of divisors:
  1 101 21529 2174429 376646227339 38041268961239 8108816628381331 818990479466514431
• Sum of all divisors σ(n): 827137714012280400
• Sum of proper divisors (its aliquot sum) s(n): 8147234545765969
• 818990479466514431 is a deficient number, because the sum of its proper divisors (8147234545765969) is less than itself. Its deficiency is 810843244920748462

Bases of 818990479466514431

• Binary: 101101011101101000111000000001111011000001110100011111111111₂
• Hexadecimal: 0xB5DA3807B0747FF
• Base-36: 6803W886TBZZ

Squares and roots of 818990479466514431

• 818990479466514431 squared (818990479466514431²) is 670745405456791195827840612331253761
• 818990479466514431 cubed (818990479466514431³) is 549334101215019046446565224436261461612347950829524991
• The square root of 818990479466514431 is 904980927.6810834707
• The cube root of 818990479466514431 is 935605.8983643035

Scales and comparisons

• 818,990,479,466,514,431 seconds is equal to 26,041,363,943 years, 7 weeks, 5 days, 21 hours, 7 minutes, 11 seconds.
• To count from 1 to 818,990,479,466,514,431 would take you about seventy-eight billion, one hundred twenty-four million, ninety-one thousand, eight hundred twenty-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 818990479466514431 cubic inches would be around 77967.2 feet tall.

Recreational maths with 818990479466514431

• 818990479466514431 backwards is 134415664974099818
• The number of decimal digits it has is: 18
• The sum of 818990479466514431's digits is 89
• More coming soon!