129128704

129,128,704 is an even composite number composed of three prime numbers multiplied together.

What does the number 129128704 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 36 divisors.

129128704 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of thirty-six divisors.

Prime factorization of 129128704:

2⁸ × 61 × 8269

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 61 × 8269)

See below for interesting mathematical facts about the number 129128704 from the Numbermatics database.

Names of 129128704

Cardinal: 129128704 can be written as One hundred twenty-nine million, one hundred twenty-eight thousand, seven hundred four.

Scientific notation

Scientific notation: 1.29128704 × 10⁸

Factors of 129128704

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 10
Sum of prime factors: 8332

Divisors of 129128704

Number of divisors d(n): 36
Complete list of divisors:
1 2 4 8 16 32 61 64 122 128 244 256 488 976 1952 3904 7808 8269 15616 16538 33076 66152 132304 264608 504409 529216 1008818 1058432 2017636 2116864 4035272 8070544 16141088 32282176 64564352 129128704
Sum of all divisors σ(n): 262010140
Sum of proper divisors (its aliquot sum) s(n): 132881436
129128704 is an abundant number, because the sum of its proper divisors (132881436) is greater than itself. Its abundance is 3752732

Bases of 129128704

Binary: 111101100100101100100000000₂
Hexadecimal: 0x7B25900
Base-36: 24VOCG

Squares and roots of 129128704

129128704 squared (129128704²) is 16674222196719616
129128704 cubed (129128704³) is 2153120702470437065457664
The square root of 129128704 is 11363.4811567583
The cube root of 129128704 is 505.4454182133

Scales and comparisons

How big is 129128704?

129,128,704 seconds is equal to 4 years, 5 weeks, 3 days, 13 hours, 5 minutes, 4 seconds.
To count from 1 to 129,128,704 would take you about six years!

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 129128704 cubic inches would be around 42.1 feet tall.

Recreational maths with 129128704

129128704 backwards is 407821921
The number of decimal digits it has is: 9
The sum of 129128704's digits is 34
More coming soon!

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The information we have on file for 129128704 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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