128280

128,280 is an even composite number composed of four prime numbers multiplied together.

What does the number 128280 look like?

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

128280 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of thirty-two divisors.

Prime factorization of 128280:

2³ × 3 × 5 × 1069

(2 × 2 × 2 × 3 × 5 × 1069)

See below for interesting mathematical facts about the number 128280 from the Numbermatics database.

Names of 128280

Cardinal: 128280 can be written as One hundred twenty-eight thousand, two hundred eighty.

Scientific notation

Scientific notation: 1.2828 × 10⁵

Factors of 128280

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 6
Sum of prime factors: 1079

Divisors of 128280

Number of divisors d(n): 32
Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 1069 2138 3207 4276 5345 6414 8552 10690 12828 16035 21380 25656 32070 42760 64140 128280
Sum of all divisors σ(n): 385200
Sum of proper divisors (its aliquot sum) s(n): 256920
128280 is an abundant number, because the sum of its proper divisors (256920) is greater than itself. Its abundance is 128640

Bases of 128280

Binary: 11111010100011000₂
Hexadecimal: 0x1F518
Base-36: 2QZC

Squares and roots of 128280

128280 squared (128280²) is 16455758400
128280 cubed (128280³) is 2110944687552000
The square root of 128280 is 358.1619745311
The cube root of 128280 is 50.4335629305

Scales and comparisons

How big is 128280?

128,280 seconds is equal to 1 day, 11 hours, 38 minutes.
To count from 1 to 128,280 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 128280 cubic inches would be around 4.2 feet tall.

Recreational maths with 128280

128280 backwards is 082821
The number of decimal digits it has is: 6
The sum of 128280's digits is 21
More coming soon!

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The information we have on file for 128280 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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