399220

399,220 is an even composite number composed of three prime numbers multiplied together.

What does the number 399220 look like?

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

399220 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 399220:

2² × 5 × 19961

(2 × 2 × 5 × 19961)

See below for interesting mathematical facts about the number 399220 from the Numbermatics database.

Names of 399220

Cardinal: 399220 can be written as Three hundred ninety-nine thousand, two hundred twenty.

Scientific notation

Scientific notation: 3.9922 × 10⁵

Factors of 399220

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 4
Sum of prime factors: 19968

Divisors of 399220

Number of divisors d(n): 12
Complete list of divisors:
1 2 4 5 10 20 19961 39922 79844 99805 199610 399220
Sum of all divisors σ(n): 838404
Sum of proper divisors (its aliquot sum) s(n): 439184
399220 is an abundant number, because the sum of its proper divisors (439184) is greater than itself. Its abundance is 39964

Bases of 399220

Binary: 1100001011101110100₂
Hexadecimal: 0x61774
Base-36: 8K1G

Squares and roots of 399220

399220 squared (399220²) is 159376608400
399220 cubed (399220³) is 63626329605448000
The square root of 399220 is 631.8385869825
The cube root of 399220 is 73.6327063995

Scales and comparisons

How big is 399220?

399,220 seconds is equal to 4 days, 14 hours, 53 minutes, 40 seconds.
To count from 1 to 399,220 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 399220 cubic inches would be around 6.1 feet tall.

Recreational maths with 399220

399220 backwards is 022993
The number of decimal digits it has is: 6
The sum of 399220's digits is 25
More coming soon!

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The information we have on file for 399220 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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