129438

129,438 is an even composite number composed of four prime numbers multiplied together.

What does the number 129438 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 40 divisors.

129438 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty divisors.

Prime factorization of 129438:

2 × 3⁴ × 17 × 47

(2 × 3 × 3 × 3 × 3 × 17 × 47)

See below for interesting mathematical facts about the number 129438 from the Numbermatics database.

Names of 129438

Cardinal: 129438 can be written as One hundred twenty-nine thousand, four hundred thirty-eight.

Scientific notation

Scientific notation: 1.29438 × 10⁵

Factors of 129438

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 7
Sum of prime factors: 69

Divisors of 129438

Number of divisors d(n): 40
Complete list of divisors:
1 2 3 6 9 17 18 27 34 47 51 54 81 94 102 141 153 162 282 306 423 459 799 846 918 1269 1377 1598 2397 2538 2754 3807 4794 7191 7614 14382 21573 43146 64719 129438
Sum of all divisors σ(n): 313632
Sum of proper divisors (its aliquot sum) s(n): 184194
129438 is an abundant number, because the sum of its proper divisors (184194) is greater than itself. Its abundance is 54756

Bases of 129438

Binary: 11111100110011110₂
Hexadecimal: 0x1F99E
Base-36: 2RVI

Squares and roots of 129438

129438 squared (129438²) is 16754195844
129438 cubed (129438³) is 2168629601655672
The square root of 129438 is 359.7749296435
The cube root of 129438 is 50.5848653097

Scales and comparisons

How big is 129438?

129,438 seconds is equal to 1 day, 11 hours, 57 minutes, 18 seconds.
To count from 1 to 129,438 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 129438 cubic inches would be around 4.2 feet tall.

Recreational maths with 129438

129438 backwards is 834921
129438 is a Harshad number.
The number of decimal digits it has is: 6
The sum of 129438's digits is 27
More coming soon!

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The information we have on file for 129438 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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