729742

729,742 is an even composite number composed of four prime numbers multiplied together.

What does the number 729742 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 24 divisors.

729742 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of twenty-four divisors.

Prime factorization of 729742:

2 × 13² × 17 × 127

(2 × 13 × 13 × 17 × 127)

See below for interesting mathematical facts about the number 729742 from the Numbermatics database.

Names of 729742

Cardinal: 729742 can be written as Seven hundred twenty-nine thousand, seven hundred forty-two.

Scientific notation

Scientific notation: 7.29742 × 10⁵

Factors of 729742

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 5
Sum of prime factors: 159

Divisors of 729742

Number of divisors d(n): 24
Complete list of divisors:
1 2 13 17 26 34 127 169 221 254 338 442 1651 2159 2873 3302 4318 5746 21463 28067 42926 56134 364871 729742
Sum of all divisors σ(n): 1264896
Sum of proper divisors (its aliquot sum) s(n): 535154
729742 is a deficient number, because the sum of its proper divisors (535154) is less than itself. Its deficiency is 194588

Bases of 729742

Binary: 10110010001010001110₂
Hexadecimal: 0xB228E
Base-36: FN2M

Squares and roots of 729742

729742 squared (729742²) is 532523386564
729742 cubed (729742³) is 388604681157986488
The square root of 729742 is 854.2493781093
The cube root of 729742 is 90.0305246255

Scales and comparisons

How big is 729742?

729,742 seconds is equal to 1 week, 1 day, 10 hours, 42 minutes, 22 seconds.
To count from 1 to 729,742 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 729742 cubic inches would be around 7.5 feet tall.

Recreational maths with 729742

729742 backwards is 247927
The number of decimal digits it has is: 6
The sum of 729742's digits is 31
More coming soon!

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The information we have on file for 729742 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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