129988

129,988 is an even composite number composed of two prime numbers multiplied together.

What does the number 129988 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 6 divisors.

129988 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of six divisors.

Prime factorization of 129988:

2² × 32497

(2 × 2 × 32497)

See below for interesting mathematical facts about the number 129988 from the Numbermatics database.

Names of 129988

Cardinal: 129988 can be written as One hundred twenty-nine thousand, nine hundred eighty-eight.

Scientific notation

Scientific notation: 1.29988 × 10⁵

Factors of 129988

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 3
Sum of prime factors: 32499

Divisors of 129988

Number of divisors d(n): 6
Complete list of divisors:
1 2 4 32497 64994 129988
Sum of all divisors σ(n): 227486
Sum of proper divisors (its aliquot sum) s(n): 97498
129988 is a deficient number, because the sum of its proper divisors (97498) is less than itself. Its deficiency is 32490

Bases of 129988

Binary: 11111101111000100₂
Hexadecimal: 0x1FBC4
Base-36: 2SAS

Squares and roots of 129988

129988 squared (129988²) is 16896880144
129988 cubed (129988³) is 2196391656158272
The square root of 129988 is 360.5384861565
The cube root of 129988 is 50.6564114363

Scales and comparisons

How big is 129988?

129,988 seconds is equal to 1 day, 12 hours, 6 minutes, 28 seconds.
To count from 1 to 129,988 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 129988 cubic inches would be around 4.2 feet tall.

Recreational maths with 129988

129988 backwards is 889921
The number of decimal digits it has is: 6
The sum of 129988's digits is 37
More coming soon!

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The information we have on file for 129988 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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