390128

390,128 is an even composite number composed of three prime numbers multiplied together.

What does the number 390128 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 20 divisors.

390128 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twenty divisors.

Prime factorization of 390128:

2⁴ × 37 × 659

(2 × 2 × 2 × 2 × 37 × 659)

See below for interesting mathematical facts about the number 390128 from the Numbermatics database.

Names of 390128

Cardinal: 390128 can be written as Three hundred ninety thousand, one hundred twenty-eight.

Scientific notation

Scientific notation: 3.90128 × 10⁵

Factors of 390128

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 6
Sum of prime factors: 698

Divisors of 390128

Number of divisors d(n): 20
Complete list of divisors:
1 2 4 8 16 37 74 148 296 592 659 1318 2636 5272 10544 24383 48766 97532 195064 390128
Sum of all divisors σ(n): 777480
Sum of proper divisors (its aliquot sum) s(n): 387352
390128 is a deficient number, because the sum of its proper divisors (387352) is less than itself. Its deficiency is 2776

Bases of 390128

Binary: 1011111001111110000₂
Hexadecimal: 0x5F3F0
Base-36: 8D0W

Squares and roots of 390128

390128 squared (390128²) is 152199856384
390128 cubed (390128³) is 59377425571377152
The square root of 390128 is 624.6022734509
The cube root of 390128 is 73.0694279123

Scales and comparisons

How big is 390128?

390,128 seconds is equal to 4 days, 12 hours, 22 minutes, 8 seconds.
To count from 1 to 390,128 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 390128 cubic inches would be around 6.1 feet tall.

Recreational maths with 390128

390128 backwards is 821093
The number of decimal digits it has is: 6
The sum of 390128's digits is 23
More coming soon!

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The information we have on file for 390128 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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