399984

399,984 is an even composite number composed of four prime numbers multiplied together.

What does the number 399984 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 40 divisors.

399984 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty divisors.

Prime factorization of 399984:

2⁴ × 3 × 13 × 641

(2 × 2 × 2 × 2 × 3 × 13 × 641)

See below for interesting mathematical facts about the number 399984 from the Numbermatics database.

Names of 399984

Cardinal: 399984 can be written as Three hundred ninety-nine thousand, nine hundred eighty-four.

Scientific notation

Scientific notation: 3.99984 × 10⁵

Factors of 399984

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 7
Sum of prime factors: 659

Divisors of 399984

Number of divisors d(n): 40
Complete list of divisors:
1 2 3 4 6 8 12 13 16 24 26 39 48 52 78 104 156 208 312 624 641 1282 1923 2564 3846 5128 7692 8333 10256 15384 16666 24999 30768 33332 49998 66664 99996 133328 199992 399984
Sum of all divisors σ(n): 1114512
Sum of proper divisors (its aliquot sum) s(n): 714528
399984 is an abundant number, because the sum of its proper divisors (714528) is greater than itself. Its abundance is 314544

Bases of 399984

Binary: 1100001101001110000₂
Hexadecimal: 0x61A70
Base-36: 8KMO

Squares and roots of 399984

399984 squared (399984²) is 159987200256
399984 cubed (399984³) is 63992320307195904
The square root of 399984 is 632.4428827965
The cube root of 399984 is 73.6796475513

Scales and comparisons

How big is 399984?

399,984 seconds is equal to 4 days, 15 hours, 6 minutes, 24 seconds.
To count from 1 to 399,984 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 399984 cubic inches would be around 6.1 feet tall.

Recreational maths with 399984

399984 backwards is 489993
The number of decimal digits it has is: 6
The sum of 399984's digits is 42
More coming soon!

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The information we have on file for 399984 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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