428736809

Names of 428736809

• Cardinal: 428736809 can be written as Four hundred twenty-eight million, seven hundred thirty-six thousand, eight hundred nine.

Scientific notation

• Scientific notation: 4.28736809 × 10⁸

Factors of 428736809

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 58410

Divisors of 428736809

• Number of divisors d(n): 4
• Complete list of divisors:
  1 8609 49801 428736809
• Sum of all divisors σ(n): 428795220
• Sum of proper divisors (its aliquot sum) s(n): 58411
• 428736809 is a deficient number, because the sum of its proper divisors (58411) is less than itself. Its deficiency is 428678398

Bases of 428736809

• Binary: 11001100011100000000100101001₂
• Hexadecimal: 0x198E0129
• Base-36: 739BFT

Squares and roots of 428736809

• 428736809 squared (428736809²) is 183815251391502481
• 428736809 cubed (428736809³) is 78808364327125583419523129
• The square root of 428736809 is 20705.9607118337
• The cube root of 428736809 is 754.0444083303

Scales and comparisons

• 428,736,809 seconds is equal to 13 years, 32 weeks, 6 days, 5 hours, 33 minutes, 29 seconds.
• To count from 1 to 428,736,809 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 428736809 cubic inches would be around 62.8 feet tall.

Recreational maths with 428736809

• 428736809 backwards is 908637824
• The number of decimal digits it has is: 9
• The sum of 428736809's digits is 47
• More coming soon!