129808

129,808 is an even composite number composed of four prime numbers multiplied together.

What does the number 129808 look like?

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

129808 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 129808:

2⁴ × 7 × 19 × 61

(2 × 2 × 2 × 2 × 7 × 19 × 61)

See below for interesting mathematical facts about the number 129808 from the Numbermatics database.

Names of 129808

Cardinal: 129808 can be written as One hundred twenty-nine thousand, eight hundred eight.

Scientific notation

Scientific notation: 1.29808 × 10⁵

Factors of 129808

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 7
Sum of prime factors: 89

Divisors of 129808

Number of divisors d(n): 40
Complete list of divisors:
1 2 4 7 8 14 16 19 28 38 56 61 76 112 122 133 152 244 266 304 427 488 532 854 976 1064 1159 1708 2128 2318 3416 4636 6832 8113 9272 16226 18544 32452 64904 129808
Sum of all divisors σ(n): 307520
Sum of proper divisors (its aliquot sum) s(n): 177712
129808 is an abundant number, because the sum of its proper divisors (177712) is greater than itself. Its abundance is 47904

Bases of 129808

Binary: 11111101100010000₂
Hexadecimal: 0x1FB10
Base-36: 2S5S

Squares and roots of 129808

129808 squared (129808²) is 16850116864
129808 cubed (129808³) is 2187279969882112
The square root of 129808 is 360.2887730697
The cube root of 129808 is 50.6330185947

Scales and comparisons

How big is 129808?

129,808 seconds is equal to 1 day, 12 hours, 3 minutes, 28 seconds.
To count from 1 to 129,808 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 129808 cubic inches would be around 4.2 feet tall.

Recreational maths with 129808

129808 backwards is 808921
129808 is a Harshad number.
The number of decimal digits it has is: 6
The sum of 129808's digits is 28
More coming soon!

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The information we have on file for 129808 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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