398878

398,878 is an even composite number composed of three prime numbers multiplied together.

What does the number 398878 look like?

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

398878 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 398878:

2 × 53² × 71

(2 × 53 × 53 × 71)

See below for interesting mathematical facts about the number 398878 from the Numbermatics database.

Names of 398878

Cardinal: 398878 can be written as Three hundred ninety-eight thousand, eight hundred seventy-eight.

Scientific notation

Scientific notation: 3.98878 × 10⁵

Factors of 398878

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 4
Sum of prime factors: 126

Divisors of 398878

Number of divisors d(n): 12
Complete list of divisors:
1 2 53 71 106 142 2809 3763 5618 7526 199439 398878
Sum of all divisors σ(n): 618408
Sum of proper divisors (its aliquot sum) s(n): 219530
398878 is a deficient number, because the sum of its proper divisors (219530) is less than itself. Its deficiency is 179348

Bases of 398878

Binary: 1100001011000011110₂
Hexadecimal: 0x6161E
Base-36: 8JRY

Squares and roots of 398878

398878 squared (398878²) is 159103658884
398878 cubed (398878³) is 63462949248332152
The square root of 398878 is 631.5678902541
The cube root of 398878 is 73.6116740697

Scales and comparisons

How big is 398878?

398,878 seconds is equal to 4 days, 14 hours, 47 minutes, 58 seconds.
To count from 1 to 398,878 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 398878 cubic inches would be around 6.1 feet tall.

Recreational maths with 398878

398878 backwards is 878893
The number of decimal digits it has is: 6
The sum of 398878's digits is 43
More coming soon!

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The information we have on file for 398878 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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