828305409

Names of 828305409

• Cardinal: 828305409 can be written as Eight hundred twenty-eight million, three hundred five thousand, four hundred nine.

Scientific notation

• Scientific notation: 8.28305409 × 10⁸

Factors of 828305409

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 89407

Divisors of 828305409

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 3203 9609 86201 258603 276101803 828305409
• Sum of all divisors σ(n): 1104764832
• Sum of proper divisors (its aliquot sum) s(n): 276459423
• 828305409 is a deficient number, because the sum of its proper divisors (276459423) is less than itself. Its deficiency is 551845986

Bases of 828305409

• Binary: 110001010111101111000000000001₂
• Hexadecimal: 0x315EF001
• Base-36: DP5GJL

Squares and roots of 828305409

• 828305409 squared (828305409²) is 686089850578657281
• 828305409 cubed (828305409³) is 568291934294303605809532929
• The square root of 828305409 is 28780.2954988305
• The cube root of 828305409 is 939.1396265857

Scales and comparisons

• 828,305,409 seconds is equal to 26 years, 17 weeks, 3 days, 20 hours, 50 minutes, 9 seconds.
• To count from 1 to 828,305,409 would take you about thirty-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 828305409 cubic inches would be around 78.3 feet tall.

Recreational maths with 828305409

• 828305409 backwards is 904503828
• The number of decimal digits it has is: 9
• The sum of 828305409's digits is 39
• More coming soon!