728897

728,897 is an odd composite number composed of three prime numbers multiplied together.

What does the number 728897 look like?

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

728897 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twelve divisors.

Prime factorization of 728897:

13² × 19 × 227

(13 × 13 × 19 × 227)

See below for interesting mathematical facts about the number 728897 from the Numbermatics database.

Names of 728897

Cardinal: 728897 can be written as Seven hundred twenty-eight thousand, eight hundred ninety-seven.

Scientific notation

Scientific notation: 7.28897 × 10⁵

Factors of 728897

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 4
Sum of prime factors: 259

Divisors of 728897

Number of divisors d(n): 12
Complete list of divisors:
1 13 19 169 227 247 2951 3211 4313 38363 56069 728897
Sum of all divisors σ(n): 834480
Sum of proper divisors (its aliquot sum) s(n): 105583
728897 is a deficient number, because the sum of its proper divisors (105583) is less than itself. Its deficiency is 623314

Bases of 728897

Binary: 10110001111101000001₂
Hexadecimal: 0xB1F41
Base-36: FMF5

Squares and roots of 728897

728897 squared (728897²) is 531290836609
728897 cubed (728897³) is 387256296931790273
The square root of 728897 is 853.7546485967
The cube root of 728897 is 89.9957611173

Scales and comparisons

How big is 728897?

728,897 seconds is equal to 1 week, 1 day, 10 hours, 28 minutes, 17 seconds.
To count from 1 to 728,897 would take you about ten hours!

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 728897 cubic inches would be around 7.5 feet tall.

Recreational maths with 728897

728897 backwards is 798827
The number of decimal digits it has is: 6
The sum of 728897's digits is 41
More coming soon!

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The information we have on file for 728897 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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