129999025

129,999,025 is an odd composite number composed of four prime numbers multiplied together.

What does the number 129999025 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 36 divisors.

129999025 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of thirty-six divisors.

Prime factorization of 129999025:

5² × 13² × 29 × 1061

(5 × 5 × 13 × 13 × 29 × 1061)

See below for interesting mathematical facts about the number 129999025 from the Numbermatics database.

Names of 129999025

Cardinal: 129999025 can be written as One hundred twenty-nine million, nine hundred ninety-nine thousand and twenty-five.

Scientific notation

Scientific notation: 1.29999025 × 10⁸

Factors of 129999025

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 6
Sum of prime factors: 1108

Divisors of 129999025

Number of divisors d(n): 36
Complete list of divisors:
1 5 13 25 29 65 145 169 325 377 725 845 1061 1885 4225 4901 5305 9425 13793 24505 26525 30769 68965 122525 153845 179309 344825 399997 769225 896545 1999985 4482725 5199961 9999925 25999805 129999025
Sum of all divisors σ(n): 180741780
Sum of proper divisors (its aliquot sum) s(n): 50742755
129999025 is a deficient number, because the sum of its proper divisors (50742755) is less than itself. Its deficiency is 79256270

Bases of 129999025

Binary: 111101111111010000010110001₂
Hexadecimal: 0x7BFA0B1
Base-36: 25EBW1

Squares and roots of 129999025

129999025 squared (129999025²) is 16899746500950625
129999025 cubed (129999025³) is 2196950567870742823140625
The square root of 129999025 is 11401.7114943327
The cube root of 129999025 is 506.5784354577

Scales and comparisons

How big is 129999025?

129,999,025 seconds is equal to 4 years, 6 weeks, 6 days, 14 hours, 50 minutes, 25 seconds.
To count from 1 to 129,999,025 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 129999025 cubic inches would be around 42.2 feet tall.

Recreational maths with 129999025

129999025 backwards is 520999921
The number of decimal digits it has is: 9
The sum of 129999025's digits is 46
More coming soon!

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The information we have on file for 129999025 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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