398900

398,900 is an even composite number composed of three prime numbers multiplied together.

What does the number 398900 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 18 divisors.

398900 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eighteen divisors.

Prime factorization of 398900:

2² × 5² × 3989

(2 × 2 × 5 × 5 × 3989)

See below for interesting mathematical facts about the number 398900 from the Numbermatics database.

Names of 398900

Cardinal: 398900 can be written as Three hundred ninety-eight thousand, nine hundred.

Scientific notation

Scientific notation: 3.989 × 10⁵

Factors of 398900

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 5
Sum of prime factors: 3996

Divisors of 398900

Number of divisors d(n): 18
Complete list of divisors:
1 2 4 5 10 20 25 50 100 3989 7978 15956 19945 39890 79780 99725 199450 398900
Sum of all divisors σ(n): 865830
Sum of proper divisors (its aliquot sum) s(n): 466930
398900 is an abundant number, because the sum of its proper divisors (466930) is greater than itself. Its abundance is 68030

Bases of 398900

Binary: 1100001011000110100₂
Hexadecimal: 0x61634
Base-36: 8JSK

Squares and roots of 398900

398900 squared (398900²) is 159121210000
398900 cubed (398900³) is 63473450669000000
The square root of 398900 is 631.5853069855
The cube root of 398900 is 73.6130273883

Scales and comparisons

How big is 398900?

398,900 seconds is equal to 4 days, 14 hours, 48 minutes, 20 seconds.
To count from 1 to 398,900 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 398900 cubic inches would be around 6.1 feet tall.

Recreational maths with 398900

398900 backwards is 009893
The number of decimal digits it has is: 6
The sum of 398900's digits is 29
More coming soon!

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The information we have on file for 398900 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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