398388

398,388 is an even composite number composed of three prime numbers multiplied together.

What does the number 398388 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 12 divisors.

398388 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twelve divisors.

Prime factorization of 398388:

2² × 3 × 33199

(2 × 2 × 3 × 33199)

See below for interesting mathematical facts about the number 398388 from the Numbermatics database.

Names of 398388

Cardinal: 398388 can be written as Three hundred ninety-eight thousand, three hundred eighty-eight.

Scientific notation

Scientific notation: 3.98388 × 10⁵

Factors of 398388

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 4
Sum of prime factors: 33204

Divisors of 398388

Number of divisors d(n): 12
Complete list of divisors:
1 2 3 4 6 12 33199 66398 99597 132796 199194 398388
Sum of all divisors σ(n): 929600
Sum of proper divisors (its aliquot sum) s(n): 531212
398388 is an abundant number, because the sum of its proper divisors (531212) is greater than itself. Its abundance is 132824

Bases of 398388

Binary: 1100001010000110100₂
Hexadecimal: 0x61434
Base-36: 8JEC

Squares and roots of 398388

398388 squared (398388²) is 158712998544
398388 cubed (398388³) is 63229354063947072
The square root of 398388 is 631.1798475871
The cube root of 398388 is 73.5815190681

Scales and comparisons

How big is 398388?

398,388 seconds is equal to 4 days, 14 hours, 39 minutes, 48 seconds.
To count from 1 to 398,388 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 398388 cubic inches would be around 6.1 feet tall.

Recreational maths with 398388

398388 backwards is 883893
The number of decimal digits it has is: 6
The sum of 398388's digits is 39
More coming soon!

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The information we have on file for 398388 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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