420554809

Names of 420554809

• Cardinal: 420554809 can be written as Four hundred twenty million, five hundred fifty-four thousand, eight hundred nine.

Scientific notation

• Scientific notation: 4.20554809 × 10⁸

Factors of 420554809

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 38411

Divisors of 420554809

• Number of divisors d(n): 8
• Complete list of divisors:
  1 101 109 11009 38201 3858301 4163909 420554809
• Sum of all divisors σ(n): 428626440
• Sum of proper divisors (its aliquot sum) s(n): 8071631
• 420554809 is a deficient number, because the sum of its proper divisors (8071631) is less than itself. Its deficiency is 412483178

Bases of 420554809

• Binary: 11001000100010010100000111001₂
• Hexadecimal: 0x19112839
• Base-36: 6YDY61

Squares and roots of 420554809

• 420554809 squared (420554809²) is 176866347373026481
• 420554809 cubed (420554809³) is 74381992937990803468897129
• The square root of 420554809 is 20507.4330182985
• The cube root of 420554809 is 749.2168471059

Scales and comparisons

• 420,554,809 seconds is equal to 13 years, 19 weeks, 2 days, 12 hours, 46 minutes, 49 seconds.
• To count from 1 to 420,554,809 would take you about twenty 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 420554809 cubic inches would be around 62.4 feet tall.

Recreational maths with 420554809

• 420554809 backwards is 908455024
• The number of decimal digits it has is: 9
• The sum of 420554809's digits is 37
• More coming soon!