398161

398,161 is an odd composite number. It is composed of a single prime number multiplied by itself.

What does the number 398161 look like?

This visualization shows the relationship between its 1 prime factors (large circles) and 3 divisors.

398161 is an odd composite number. It has a total of three divisors.

Prime factorization of 398161:

631²

(631 × 631)

See below for interesting mathematical facts about the number 398161 from the Numbermatics database.

Names of 398161

Cardinal: 398161 can be written as Three hundred ninety-eight thousand, one hundred sixty-one.

Scientific notation

Scientific notation: 3.98161 × 10⁵

Factors of 398161

Number of distinct prime factors ω(n): 1
Total number of prime factors Ω(n): 2
Sum of prime factors: 631

Divisors of 398161

Number of divisors d(n): 3
Complete list of divisors:
1 631 398161
Sum of all divisors σ(n): 398793
Sum of proper divisors (its aliquot sum) s(n): 632
398161 is a deficient number, because the sum of its proper divisors (632) is less than itself. Its deficiency is 397529

Bases of 398161

Binary: 1100001001101010001₂
Hexadecimal: 0x61351
Base-36: 8J81

Squares and roots of 398161

398161 squared (398161²) is 158532181921
398161 cubed (398161³) is 63121332085847281
398161 is a perfect square number. Its square root is 631
The cube root of 398161 is 73.5675409209

Scales and comparisons

How big is 398161?

398,161 seconds is equal to 4 days, 14 hours, 36 minutes, 1 second.
To count from 1 to 398,161 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 398161 cubic inches would be around 6.1 feet tall.

Recreational maths with 398161

398161 backwards is 161893
The number of decimal digits it has is: 6
The sum of 398161's digits is 28
More coming soon!

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The information we have on file for 398161 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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