138429

138,429 is an odd composite number composed of two prime numbers multiplied together.

What does the number 138429 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 10 divisors.

138429 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of ten divisors.

Prime factorization of 138429:

3⁴ × 1709

(3 × 3 × 3 × 3 × 1709)

See below for interesting mathematical facts about the number 138429 from the Numbermatics database.

Names of 138429

Cardinal: 138429 can be written as One hundred thirty-eight thousand, four hundred twenty-nine.

Scientific notation

Scientific notation: 1.38429 × 10⁵

Factors of 138429

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 5
Sum of prime factors: 1712

Divisors of 138429

Number of divisors d(n): 10
Complete list of divisors:
1 3 9 27 81 1709 5127 15381 46143 138429
Sum of all divisors σ(n): 206910
Sum of proper divisors (its aliquot sum) s(n): 68481
138429 is a deficient number, because the sum of its proper divisors (68481) is less than itself. Its deficiency is 69948

Bases of 138429

Binary: 100001110010111101₂
Hexadecimal: 0x21CBD
Base-36: 2YT9

Squares and roots of 138429

138429 squared (138429²) is 19162588041
138429 cubed (138429³) is 2652657899927589
The square root of 138429 is 372.0604789547
The cube root of 138429 is 51.7299859595

Scales and comparisons

How big is 138429?

138,429 seconds is equal to 1 day, 14 hours, 27 minutes, 9 seconds.
To count from 1 to 138,429 would take you about fourteen 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 138429 cubic inches would be around 4.3 feet tall.

Recreational maths with 138429

138429 backwards is 924831
138429 is a Harshad number.
The number of decimal digits it has is: 6
The sum of 138429's digits is 27
More coming soon!

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The information we have on file for 138429 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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