387128

387,128 is an even composite number composed of four prime numbers multiplied together.

What does the number 387128 look like?

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

387128 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 387128:

2³ × 7 × 31 × 223

(2 × 2 × 2 × 7 × 31 × 223)

See below for interesting mathematical facts about the number 387128 from the Numbermatics database.

Names of 387128

Cardinal: 387128 can be written as Three hundred eighty-seven thousand, one hundred twenty-eight.

Scientific notation

Scientific notation: 3.87128 × 10⁵

Factors of 387128

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 6
Sum of prime factors: 263

Divisors of 387128

Number of divisors d(n): 32
Complete list of divisors:
1 2 4 7 8 14 28 31 56 62 124 217 223 248 434 446 868 892 1561 1736 1784 3122 6244 6913 12488 13826 27652 48391 55304 96782 193564 387128
Sum of all divisors σ(n): 860160
Sum of proper divisors (its aliquot sum) s(n): 473032
387128 is an abundant number, because the sum of its proper divisors (473032) is greater than itself. Its abundance is 85904

Bases of 387128

Binary: 1011110100000111000₂
Hexadecimal: 0x5E838
Base-36: 8APK

Squares and roots of 387128

387128 squared (387128²) is 149868088384
387128 cubed (387128³) is 58018133319921152
The square root of 387128 is 622.1961105633
The cube root of 387128 is 72.8816497261

Scales and comparisons

How big is 387128?

387,128 seconds is equal to 4 days, 11 hours, 32 minutes, 8 seconds.
To count from 1 to 387,128 would take you about four days.

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 387128 cubic inches would be around 6.1 feet tall.

Recreational maths with 387128

387128 backwards is 821783
The number of decimal digits it has is: 6
The sum of 387128's digits is 29
More coming soon!

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The information we have on file for 387128 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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