820828

820,828 is an even composite number composed of three prime numbers multiplied together.

What does the number 820828 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 12 divisors.

820828 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twelve divisors.

Prime factorization of 820828:

2² × 17 × 12071

(2 × 2 × 17 × 12071)

See below for interesting mathematical facts about the number 820828 from the Numbermatics database.

Names of 820828

Cardinal: 820828 can be written as Eight hundred twenty thousand, eight hundred twenty-eight.

Scientific notation

Scientific notation: 8.20828 × 10⁵

Factors of 820828

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 4
Sum of prime factors: 12090

Divisors of 820828

Number of divisors d(n): 12
Complete list of divisors:
1 2 4 17 34 68 12071 24142 48284 205207 410414 820828
Sum of all divisors σ(n): 1521072
Sum of proper divisors (its aliquot sum) s(n): 700244
820828 is a deficient number, because the sum of its proper divisors (700244) is less than itself. Its deficiency is 120584

Bases of 820828

Binary: 11001000011001011100₂
Hexadecimal: 0xC865C
Base-36: HLCS

Squares and roots of 820828

820828 squared (820828²) is 673758605584
820828 cubed (820828³) is 553039928704303552
The square root of 820828 is 905.9955849783
The cube root of 820828 is 93.6305096927

Scales and comparisons

How big is 820828?

820,828 seconds is equal to 1 week, 2 days, 12 hours, 28 seconds.
To count from 1 to 820,828 would take you about two days!

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 820828 cubic inches would be around 7.8 feet tall.

Recreational maths with 820828

820828 backwards is 828028
The number of decimal digits it has is: 6
The sum of 820828's digits is 28
More coming soon!

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The information we have on file for 820828 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!

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