129289788

129,289,788 is an even composite number composed of three prime numbers multiplied together.

What does the number 129289788 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 18 divisors.

129289788 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eighteen divisors.

Prime factorization of 129289788:

2² × 3² × 3591383

(2 × 2 × 3 × 3 × 3591383)

See below for interesting mathematical facts about the number 129289788 from the Numbermatics database.

Names of 129289788

Cardinal: 129289788 can be written as One hundred twenty-nine million, two hundred eighty-nine thousand, seven hundred eighty-eight.

Scientific notation

Scientific notation: 1.29289788 × 10⁸

Factors of 129289788

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 5
Sum of prime factors: 3591388

Divisors of 129289788

Number of divisors d(n): 18
Complete list of divisors:
1 2 3 4 6 9 12 18 36 3591383 7182766 10774149 14365532 21548298 32322447 43096596 64644894 129289788
Sum of all divisors σ(n): 326815944
Sum of proper divisors (its aliquot sum) s(n): 197526156
129289788 is an abundant number, because the sum of its proper divisors (197526156) is greater than itself. Its abundance is 68236368

Bases of 129289788

Binary: 111101101001100111000111100₂
Hexadecimal: 0x7B4CE3C
Base-36: 24Z4N0

Squares and roots of 129289788

129289788 squared (129289788²) is 16715849281084944
129289788 cubed (129289788³) is 2161188609791424819751872
The square root of 129289788 is 11370.5667404927
The cube root of 129289788 is 505.6555066361

Scales and comparisons

How big is 129289788?

129,289,788 seconds is equal to 4 years, 5 weeks, 5 days, 9 hours, 49 minutes, 48 seconds.
To count from 1 to 129,289,788 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 129289788 cubic inches would be around 42.1 feet tall.

Recreational maths with 129289788

129289788 backwards is 887982921
The number of decimal digits it has is: 9
The sum of 129289788's digits is 54
More coming soon!

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The information we have on file for 129289788 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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