398345

398,345 is an odd composite number composed of two prime numbers multiplied together.

What does the number 398345 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 4 divisors.

398345 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of four divisors.

Prime factorization of 398345:

5 × 79669

See below for interesting mathematical facts about the number 398345 from the Numbermatics database.

Names of 398345

Cardinal: 398345 can be written as Three hundred ninety-eight thousand, three hundred forty-five.

Scientific notation

Scientific notation: 3.98345 × 10⁵

Factors of 398345

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 2
Sum of prime factors: 79674

Divisors of 398345

Number of divisors d(n): 4
Complete list of divisors:
1 5 79669 398345
Sum of all divisors σ(n): 478020
Sum of proper divisors (its aliquot sum) s(n): 79675
398345 is a deficient number, because the sum of its proper divisors (79675) is less than itself. Its deficiency is 318670

Bases of 398345

Binary: 1100001010000001001₂
Hexadecimal: 0x61409
Base-36: 8JD5

Squares and roots of 398345

398345 squared (398345²) is 158678739025
398345 cubed (398345³) is 63208882296913625
The square root of 398345 is 631.1457834763
The cube root of 398345 is 73.5788716329

Scales and comparisons

How big is 398345?

398,345 seconds is equal to 4 days, 14 hours, 39 minutes, 5 seconds.
To count from 1 to 398,345 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 398345 cubic inches would be around 6.1 feet tall.

Recreational maths with 398345

398345 backwards is 543893
The number of decimal digits it has is: 6
The sum of 398345's digits is 32
More coming soon!

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The information we have on file for 398345 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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