728436

728,436 is an even composite number composed of three prime numbers multiplied together.

What does the number 728436 look like?

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

728436 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 728436:

2² × 3 × 60703

(2 × 2 × 3 × 60703)

See below for interesting mathematical facts about the number 728436 from the Numbermatics database.

Names of 728436

Cardinal: 728436 can be written as Seven hundred twenty-eight thousand, four hundred thirty-six.

Scientific notation

Scientific notation: 7.28436 × 10⁵

Factors of 728436

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 4
Sum of prime factors: 60708

Divisors of 728436

Number of divisors d(n): 12
Complete list of divisors:
1 2 3 4 6 12 60703 121406 182109 242812 364218 728436
Sum of all divisors σ(n): 1699712
Sum of proper divisors (its aliquot sum) s(n): 971276
728436 is an abundant number, because the sum of its proper divisors (971276) is greater than itself. Its abundance is 242840

Bases of 728436

Binary: 10110001110101110100₂
Hexadecimal: 0xB1D74
Base-36: FM2C

Squares and roots of 728436

728436 squared (728436²) is 530619006096
728436 cubed (728436³) is 386521986324545856
The square root of 728436 is 853.4846220055
The cube root of 728436 is 89.9767841353

Scales and comparisons

How big is 728436?

728,436 seconds is equal to 1 week, 1 day, 10 hours, 20 minutes, 36 seconds.
To count from 1 to 728,436 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 728436 cubic inches would be around 7.5 feet tall.

Recreational maths with 728436

728436 backwards is 634827
The number of decimal digits it has is: 6
The sum of 728436's digits is 30
More coming soon!

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The information we have on file for 728436 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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