129888

129,888 is an even composite number composed of four prime numbers multiplied together.

What does the number 129888 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 72 divisors.

129888 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of seventy-two divisors.

Prime factorization of 129888:

2⁵ × 3² × 11 × 41

(2 × 2 × 2 × 2 × 2 × 3 × 3 × 11 × 41)

See below for interesting mathematical facts about the number 129888 from the Numbermatics database.

Names of 129888

Cardinal: 129888 can be written as One hundred twenty-nine thousand, eight hundred eighty-eight.

Scientific notation

Scientific notation: 1.29888 × 10⁵

Factors of 129888

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 9
Sum of prime factors: 57

Divisors of 129888

Number of divisors d(n): 72
Complete list of divisors:
1 2 3 4 6 8 9 11 12 16 18 22 24 32 33 36 41 44 48 66 72 82 88 96 99 123 132 144 164 176 198 246 264 288 328 352 369 396 451 492 528 656 738 792 902 984 1056 1312 1353 1476 1584 1804 1968 2706 2952 3168 3608 3936 4059 5412 5904 7216 8118 10824 11808 14432 16236 21648 32472 43296 64944 129888
Sum of all divisors σ(n): 412776
Sum of proper divisors (its aliquot sum) s(n): 282888
129888 is an abundant number, because the sum of its proper divisors (282888) is greater than itself. Its abundance is 153000

Bases of 129888

Binary: 11111101101100000₂
Hexadecimal: 0x1FB60
Base-36: 2S80

Squares and roots of 129888

129888 squared (129888²) is 16870892544
129888 cubed (129888³) is 2191326490755072
The square root of 129888 is 360.3997780243
The cube root of 129888 is 50.6434180815

Scales and comparisons

How big is 129888?

129,888 seconds is equal to 1 day, 12 hours, 4 minutes, 48 seconds.
To count from 1 to 129,888 would take you about twelve 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 129888 cubic inches would be around 4.2 feet tall.

Recreational maths with 129888

129888 backwards is 888921
129888 is a Harshad number.
The number of decimal digits it has is: 6
The sum of 129888's digits is 36
More coming soon!

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The information we have on file for 129888 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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