391992

391,992 is an even composite number composed of three prime numbers multiplied together.

What does the number 391992 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 16 divisors.

391992 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 391992:

2³ × 3 × 16333

(2 × 2 × 2 × 3 × 16333)

See below for interesting mathematical facts about the number 391992 from the Numbermatics database.

Names of 391992

Cardinal: 391992 can be written as Three hundred ninety-one thousand, nine hundred ninety-two.

Scientific notation

Scientific notation: 3.91992 × 10⁵

Factors of 391992

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 5
Sum of prime factors: 16338

Divisors of 391992

Number of divisors d(n): 16
Complete list of divisors:
1 2 3 4 6 8 12 24 16333 32666 48999 65332 97998 130664 195996 391992
Sum of all divisors σ(n): 980040
Sum of proper divisors (its aliquot sum) s(n): 588048
391992 is an abundant number, because the sum of its proper divisors (588048) is greater than itself. Its abundance is 196056

Bases of 391992

Binary: 1011111101100111000₂
Hexadecimal: 0x5FB38
Base-36: 8EGO

Squares and roots of 391992

391992 squared (391992²) is 153657728064
391992 cubed (391992³) is 60232600139263488
The square root of 391992 is 626.0926449017
The cube root of 391992 is 73.1856163323

Scales and comparisons

How big is 391992?

391,992 seconds is equal to 4 days, 12 hours, 53 minutes, 12 seconds.
To count from 1 to 391,992 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 391992 cubic inches would be around 6.1 feet tall.

Recreational maths with 391992

391992 backwards is 299193
The number of decimal digits it has is: 6
The sum of 391992's digits is 33
More coming soon!

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The information we have on file for 391992 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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