726428

726,428 is an even composite number composed of two prime numbers multiplied together.

What does the number 726428 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 6 divisors.

726428 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of six divisors.

Prime factorization of 726428:

2² × 181607

(2 × 2 × 181607)

See below for interesting mathematical facts about the number 726428 from the Numbermatics database.

Names of 726428

Cardinal: 726428 can be written as Seven hundred twenty-six thousand, four hundred twenty-eight.

Scientific notation

Scientific notation: 7.26428 × 10⁵

Factors of 726428

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 3
Sum of prime factors: 181609

Divisors of 726428

Number of divisors d(n): 6
Complete list of divisors:
1 2 4 181607 363214 726428
Sum of all divisors σ(n): 1271256
Sum of proper divisors (its aliquot sum) s(n): 544828
726428 is a deficient number, because the sum of its proper divisors (544828) is less than itself. Its deficiency is 181600

Bases of 726428

Binary: 10110001010110011100₂
Hexadecimal: 0xB159C
Base-36: FKIK

Squares and roots of 726428

726428 squared (726428²) is 527697639184
726428 cubed (726428³) is 383334340637154752
The square root of 726428 is 852.3074562621
The cube root of 726428 is 89.8940316577

Scales and comparisons

How big is 726428?

726,428 seconds is equal to 1 week, 1 day, 9 hours, 47 minutes, 8 seconds.
To count from 1 to 726,428 would take you about nine 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 726428 cubic inches would be around 7.5 feet tall.

Recreational maths with 726428

726428 backwards is 824627
The number of decimal digits it has is: 6
The sum of 726428's digits is 29
More coming soon!

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The information we have on file for 726428 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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