129040

129,040 is an even composite number composed of three prime numbers multiplied together.

What does the number 129040 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 20 divisors.

129040 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twenty divisors.

Prime factorization of 129040:

2⁴ × 5 × 1613

(2 × 2 × 2 × 2 × 5 × 1613)

See below for interesting mathematical facts about the number 129040 from the Numbermatics database.

Names of 129040

Cardinal: 129040 can be written as One hundred twenty-nine thousand and forty.

Scientific notation

Scientific notation: 1.2904 × 10⁵

Factors of 129040

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 6
Sum of prime factors: 1620

Divisors of 129040

Number of divisors d(n): 20
Complete list of divisors:
1 2 4 5 8 10 16 20 40 80 1613 3226 6452 8065 12904 16130 25808 32260 64520 129040
Sum of all divisors σ(n): 300204
Sum of proper divisors (its aliquot sum) s(n): 171164
129040 is an abundant number, because the sum of its proper divisors (171164) is greater than itself. Its abundance is 42124

Bases of 129040

Binary: 11111100000010000₂
Hexadecimal: 0x1F810
Base-36: 2RKG

Squares and roots of 129040

129040 squared (129040²) is 16651321600
129040 cubed (129040³) is 2148686539264000
The square root of 129040 is 359.2213802101
The cube root of 129040 is 50.5329654381

Scales and comparisons

How big is 129040?

129,040 seconds is equal to 1 day, 11 hours, 50 minutes, 40 seconds.
To count from 1 to 129,040 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 129040 cubic inches would be around 4.2 feet tall.

Recreational maths with 129040

129040 backwards is 040921
129040 is a Harshad number.
The number of decimal digits it has is: 6
The sum of 129040's digits is 16
More coming soon!

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The information we have on file for 129040 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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