129528

129,528 is an even composite number composed of four prime numbers multiplied together.

What does the number 129528 look like?

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

129528 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 129528:

2³ × 3² × 7 × 257

(2 × 2 × 2 × 3 × 3 × 7 × 257)

See below for interesting mathematical facts about the number 129528 from the Numbermatics database.

Names of 129528

Cardinal: 129528 can be written as One hundred twenty-nine thousand, five hundred twenty-eight.

Scientific notation

Scientific notation: 1.29528 × 10⁵

Factors of 129528

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 7
Sum of prime factors: 269

Divisors of 129528

Number of divisors d(n): 48
Complete list of divisors:
1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 42 56 63 72 84 126 168 252 257 504 514 771 1028 1542 1799 2056 2313 3084 3598 4626 5397 6168 7196 9252 10794 14392 16191 18504 21588 32382 43176 64764 129528
Sum of all divisors σ(n): 402480
Sum of proper divisors (its aliquot sum) s(n): 272952
129528 is an abundant number, because the sum of its proper divisors (272952) is greater than itself. Its abundance is 143424

Bases of 129528

Binary: 11111100111111000₂
Hexadecimal: 0x1F9F8
Base-36: 2RY0

Squares and roots of 129528

129528 squared (129528²) is 16777502784
129528 cubed (129528³) is 2173156380605952
The square root of 129528 is 359.8999861073
The cube root of 129528 is 50.5965867081

Scales and comparisons

How big is 129528?

129,528 seconds is equal to 1 day, 11 hours, 58 minutes, 48 seconds.
To count from 1 to 129,528 would take you about eleven 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 129528 cubic inches would be around 4.2 feet tall.

Recreational maths with 129528

129528 backwards is 825921
The number of decimal digits it has is: 6
The sum of 129528's digits is 27
More coming soon!

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The information we have on file for 129528 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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