143991

143,991 is an odd composite number composed of two prime numbers multiplied together.

What does the number 143991 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 8 divisors.

143991 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of eight divisors.

Prime factorization of 143991:

3³ × 5333

(3 × 3 × 3 × 5333)

See below for interesting mathematical facts about the number 143991 from the Numbermatics database.

Names of 143991

Cardinal: 143991 can be written as One hundred forty-three thousand, nine hundred ninety-one.

Scientific notation

Scientific notation: 1.43991 × 10⁵

Factors of 143991

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 4
Sum of prime factors: 5336

Divisors of 143991

Number of divisors d(n): 8
Complete list of divisors:
1 3 9 27 5333 15999 47997 143991
Sum of all divisors σ(n): 213360
Sum of proper divisors (its aliquot sum) s(n): 69369
143991 is a deficient number, because the sum of its proper divisors (69369) is less than itself. Its deficiency is 74622

Bases of 143991

Binary: 100011001001110111₂
Hexadecimal: 0x23277
Base-36: 333R

Squares and roots of 143991

143991 squared (143991²) is 20733408081
143991 cubed (143991³) is 2985424162991271
The square root of 143991 is 379.4614604935
The cube root of 143991 is 52.4137358859

Scales and comparisons

How big is 143991?

143,991 seconds is equal to 1 day, 15 hours, 59 minutes, 51 seconds.
To count from 1 to 143,991 would take you about fifteen hours.

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 143991 cubic inches would be around 4.4 feet tall.

Recreational maths with 143991

143991 backwards is 199341
143991 is a Harshad number.
The number of decimal digits it has is: 6
The sum of 143991's digits is 27
More coming soon!

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The information we have on file for 143991 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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