420984121579553499813

Names of 420984121579553499813

• Cardinal: 420984121579553499813 can be written as Four hundred twenty quintillion, nine hundred eighty-four quadrillion, one hundred twenty-one trillion, five hundred seventy-nine billion, five hundred fifty-three million, four hundred ninety-nine thousand, eight hundred thirteen.

Scientific notation

• Scientific notation: 4.20984121579553499813 × 10²⁰

Factors of 420984121579553499813

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 2498242

Divisors of 420984121579553499813

• Number of divisors d(n): 12
• Complete list of divisors:
  1 3 9 27 2498239 7494717 22484151 67452453 6241198101121 18723594303363 56170782910089 168512348730267
• Sum of all divisors σ(n): 420984202715228743986
• Sum of proper divisors (its aliquot sum) s(n): 81135675244173
• 420984121579553499813 is a deficient number, because the sum of its proper divisors (81135675244173) is less than itself. Its deficiency is 420984040443878255640

Bases of 420984121579553499813

• Binary: 101101101001001010100000011000001101101101101001001010010101010100101₂
• Hexadecimal: 0x16D2540C1B6D252AA5
• Base-36: 2GUFU8C3EXEEN9

Squares and roots of 420984121579553499813

• 420984121579553499813 squared (420984121579553499813²) is 177227630622108282718381197891496991034969
• 420984121579553499813 cubed (420984121579553499813³) is 74610018397073832157625664839372002848873722115323969017960797
• The square root of 420984121579553499813 is 20517897591.6041042075
• 420984121579553499813 is a perfect cube number. Its cube root is 7494717

Scales and comparisons

• 420,984,121,579,553,499,813 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 420,984,121,579,553,499,813 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and 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 420984121579553499813 cubic inches would be around 624559.8 feet tall.

Recreational maths with 420984121579553499813

• 420984121579553499813 backwards is 318994355975121489024
• The number of decimal digits it has is: 21
• The sum of 420984121579553499813's digits is 99
• More coming soon!