129072489

129,072,489 is an odd composite number composed of four prime numbers multiplied together.

What does the number 129072489 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 16 divisors.

129072489 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 129072489:

3 × 7 × 13 × 472793

See below for interesting mathematical facts about the number 129072489 from the Numbermatics database.

Names of 129072489

Cardinal: 129072489 can be written as One hundred twenty-nine million, seventy-two thousand, four hundred eighty-nine.

Scientific notation

Scientific notation: 1.29072489 × 10⁸

Factors of 129072489

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 4
Sum of prime factors: 472816

Divisors of 129072489

Number of divisors d(n): 16
Complete list of divisors:
1 3 7 13 21 39 91 273 472793 1418379 3309551 6146309 9928653 18438927 43024163 129072489
Sum of all divisors σ(n): 211811712
Sum of proper divisors (its aliquot sum) s(n): 82739223
129072489 is a deficient number, because the sum of its proper divisors (82739223) is less than itself. Its deficiency is 46333266

Bases of 129072489

Binary: 111101100010111110101101001₂
Hexadecimal: 0x7B17D69
Base-36: 24UGYX

Squares and roots of 129072489

129072489 squared (129072489²) is 16659707416655121
129072489 cubed (129072489³) is 2150309902279436522066169
The square root of 129072489 is 11361.0073937129
The cube root of 129072489 is 505.3720605541

Scales and comparisons

How big is 129072489?

129,072,489 seconds is equal to 4 years, 5 weeks, 2 days, 21 hours, 28 minutes, 9 seconds.
To count from 1 to 129,072,489 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 129072489 cubic inches would be around 42.1 feet tall.

Recreational maths with 129072489

129072489 backwards is 984270921
The number of decimal digits it has is: 9
The sum of 129072489's digits is 42
More coming soon!

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The information we have on file for 129072489 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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