820149832

Names of 820149832

• Cardinal: 820149832 can be written as Eight hundred twenty million, one hundred forty-nine thousand, eight hundred thirty-two.

Scientific notation

• Scientific notation: 8.20149832 × 10⁸

Factors of 820149832

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 102518731

Divisors of 820149832

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 4 8 102518729 205037458 410074916 820149832
• Sum of all divisors σ(n): 1537780950
• Sum of proper divisors (its aliquot sum) s(n): 717631118
• 820149832 is a deficient number, because the sum of its proper divisors (717631118) is less than itself. Its deficiency is 102518714

Bases of 820149832

• Binary: 110000111000100111111001001000₂
• Hexadecimal: 0x30E27E48
• Base-36: DKANNS

Squares and roots of 820149832

• 820149832 squared (820149832²) is 672645746929628224
• 820149832 cubed (820149832³) is 551670296339849103736058368
• The square root of 820149832 is 28638.2581872573
• The cube root of 820149832 is 936.0471674919

Scales and comparisons

• 820,149,832 seconds is equal to 26 years, 4 weeks, 11 hours, 23 minutes, 52 seconds.
• To count from 1 to 820,149,832 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 820149832 cubic inches would be around 78 feet tall.

Recreational maths with 820149832

• 820149832 backwards is 238941028
• The number of decimal digits it has is: 9
• The sum of 820149832's digits is 37
• More coming soon!