128115

128,115 is an odd composite number composed of four prime numbers multiplied together.

What does the number 128115 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 32 divisors.

128115 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of thirty-two divisors.

Prime factorization of 128115:

3³ × 5 × 13 × 73

(3 × 3 × 3 × 5 × 13 × 73)

See below for interesting mathematical facts about the number 128115 from the Numbermatics database.

Names of 128115

Cardinal: 128115 can be written as One hundred twenty-eight thousand, one hundred fifteen.

Scientific notation

Scientific notation: 1.28115 × 10⁵

Factors of 128115

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 6
Sum of prime factors: 94

Divisors of 128115

Number of divisors d(n): 32
Complete list of divisors:
1 3 5 9 13 15 27 39 45 65 73 117 135 195 219 351 365 585 657 949 1095 1755 1971 2847 3285 4745 8541 9855 14235 25623 42705 128115
Sum of all divisors σ(n): 248640
Sum of proper divisors (its aliquot sum) s(n): 120525
128115 is a deficient number, because the sum of its proper divisors (120525) is less than itself. Its deficiency is 7590

Bases of 128115

Binary: 11111010001110011₂
Hexadecimal: 0x1F473
Base-36: 2QUR

Squares and roots of 128115

128115 squared (128115²) is 16413453225
128115 cubed (128115³) is 2102809559920875
The square root of 128115 is 357.9315577035
The cube root of 128115 is 50.4119302823

Scales and comparisons

How big is 128115?

128,115 seconds is equal to 1 day, 11 hours, 35 minutes, 15 seconds.
To count from 1 to 128,115 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 128115 cubic inches would be around 4.2 feet tall.

Recreational maths with 128115

128115 backwards is 511821
The number of decimal digits it has is: 6
The sum of 128115's digits is 18
More coming soon!

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The information we have on file for 128115 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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