856728

856,728 is an even composite number composed of four prime numbers multiplied together.

What does the number 856728 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 48 divisors.

856728 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty-eight divisors.

Prime factorization of 856728:

2³ × 3² × 73 × 163

(2 × 2 × 2 × 3 × 3 × 73 × 163)

See below for interesting mathematical facts about the number 856728 from the Numbermatics database.

Names of 856728

Cardinal: 856728 can be written as Eight hundred fifty-six thousand, seven hundred twenty-eight.

Scientific notation

Scientific notation: 8.56728 × 10⁵

Factors of 856728

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 7
Sum of prime factors: 241

Divisors of 856728

Number of divisors d(n): 48
Complete list of divisors:
1 2 3 4 6 8 9 12 18 24 36 72 73 146 163 219 292 326 438 489 584 652 657 876 978 1304 1314 1467 1752 1956 2628 2934 3912 5256 5868 11736 11899 23798 35697 47596 71394 95192 107091 142788 214182 285576 428364 856728
Sum of all divisors σ(n): 2366520
Sum of proper divisors (its aliquot sum) s(n): 1509792
856728 is an abundant number, because the sum of its proper divisors (1509792) is greater than itself. Its abundance is 653064

Bases of 856728

Binary: 11010001001010011000₂
Hexadecimal: 0xD1298
Base-36: ID20

Squares and roots of 856728

856728 squared (856728²) is 733982865984
856728 cubed (856728³) is 628823672808740352
The square root of 856728 is 925.5960241919
The cube root of 856728 is 94.9760974029

Scales and comparisons

How big is 856728?

856,728 seconds is equal to 1 week, 2 days, 21 hours, 58 minutes, 48 seconds.
To count from 1 to 856,728 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 856728 cubic inches would be around 7.9 feet tall.

Recreational maths with 856728

856728 backwards is 827658
856728 is a Harshad number.
The number of decimal digits it has is: 6
The sum of 856728's digits is 36
More coming soon!

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The information we have on file for 856728 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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