3872 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of eighteen divisors.
Prime factorization of 3872:
25 × 112
(2 × 2 × 2 × 2 × 2 × 11 × 11)
25 × 112(2 × 2 × 2 × 2 × 2 × 11 × 11)
See below for interesting mathematical facts about the number 3872 from the Numbermatics database.
Names of 3872
- Cardinal: 3872 can be written as Three thousand, eight hundred seventy-two.
- Scientific notation: 3.872 × 103
Factors of 3872
- Number of distinct prime factors ω(n): 2
- Total number of prime factors Ω(n): 7
- Sum of prime factors: 13
Divisors of 3872
- Number of divisors d(n): 18
- Complete list of divisors:
- Sum of all divisors σ(n): 8379
- Sum of proper divisors (its aliquot sum) s(n): 4507
- 3872 is an abundant number, because the sum of its proper divisors (4507) is greater than itself. Its abundance is 635
Bases of 3872
- Binary: 1111001000002
- Hexadecimal: 0xF20
- Base-36: 2ZK
Squares and roots of 3872
- 3872 squared (38722) is 14992384
- 3872 cubed (38723) is 58050510848
square rootof 3872 is 62.2253967445
cube rootof 3872 is 15.7028488211
Scales and comparisonsHow big is 3872?
- 3,872 seconds is equal to 4 minutes, 32 seconds.
To count from 1 to 3,872 would take you about four minutes.
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 3872 cubic inches would be around 1.3 feet tall.
Recreational maths with 3872
- 3872 backwards is 2783
- The number of decimal digits it has is: 4
- The sum of 3872's digits is 20
- More coming soon!
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Cite this page
"Number 3872 - Facts about the integer". Numbermatics.com. 2019. Web. 24 October 2019.
Numbermatics. (2019). Number 3872 - Facts about the integer. Retrieved 24 October 2019, from https://numbermatics.com/n/3872/
Numbermatics. 2019. "Number 3872 - Facts about the integer". https://numbermatics.com/n/3872/
The information we have on file for 3872 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!