398540

398,540 is an even composite number composed of three prime numbers multiplied together.

What does the number 398540 look like?

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

398540 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 398540:

2² × 5 × 19927

(2 × 2 × 5 × 19927)

See below for interesting mathematical facts about the number 398540 from the Numbermatics database.

Names of 398540

Cardinal: 398540 can be written as Three hundred ninety-eight thousand, five hundred forty.

Scientific notation

Scientific notation: 3.9854 × 10⁵

Factors of 398540

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 4
Sum of prime factors: 19934

Divisors of 398540

Number of divisors d(n): 12
Complete list of divisors:
1 2 4 5 10 20 19927 39854 79708 99635 199270 398540
Sum of all divisors σ(n): 836976
Sum of proper divisors (its aliquot sum) s(n): 438436
398540 is an abundant number, because the sum of its proper divisors (438436) is greater than itself. Its abundance is 39896

Bases of 398540

Binary: 1100001010011001100₂
Hexadecimal: 0x614CC
Base-36: 8JIK

Squares and roots of 398540

398540 squared (398540²) is 158834131600
398540 cubed (398540³) is 63301754807864000
The square root of 398540 is 631.3002455251
The cube root of 398540 is 73.5908759169

Scales and comparisons

How big is 398540?

398,540 seconds is equal to 4 days, 14 hours, 42 minutes, 20 seconds.
To count from 1 to 398,540 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 398540 cubic inches would be around 6.1 feet tall.

Recreational maths with 398540

398540 backwards is 045893
The number of decimal digits it has is: 6
The sum of 398540's digits is 29
More coming soon!

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The information we have on file for 398540 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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