128109

128,109 is an odd composite number composed of two prime numbers multiplied together.

What does the number 128109 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 4 divisors.

128109 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of four divisors.

Prime factorization of 128109:

3 × 42703

See below for interesting mathematical facts about the number 128109 from the Numbermatics database.

Names of 128109

Cardinal: 128109 can be written as One hundred twenty-eight thousand, one hundred nine.

Scientific notation

Scientific notation: 1.28109 × 10⁵

Factors of 128109

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 2
Sum of prime factors: 42706

Divisors of 128109

Number of divisors d(n): 4
Complete list of divisors:
1 3 42703 128109
Sum of all divisors σ(n): 170816
Sum of proper divisors (its aliquot sum) s(n): 42707
128109 is a deficient number, because the sum of its proper divisors (42707) is less than itself. Its deficiency is 85402

Bases of 128109

Binary: 11111010001101101₂
Hexadecimal: 0x1F46D
Base-36: 2QUL

Squares and roots of 128109

128109 squared (128109²) is 16411915881
128109 cubed (128109³) is 2102514131599029
The square root of 128109 is 357.9231761147
The cube root of 128109 is 50.4111432907

Scales and comparisons

How big is 128109?

128,109 seconds is equal to 1 day, 11 hours, 35 minutes, 9 seconds.
To count from 1 to 128,109 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 128109 cubic inches would be around 4.2 feet tall.

Recreational maths with 128109

128109 backwards is 901821
The number of decimal digits it has is: 6
The sum of 128109's digits is 21
More coming soon!

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The information we have on file for 128109 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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