21267871

21,267,871 is a prime number. Like all primes greater than two, it is odd and has no factors apart from itself and one.

What does the number 21267871 look like?

As a prime, it is not composed of any other numbers and has no internal structure.

21267871 is a prime number. Like all primes (except two), it is an odd number.

Prime factorization of 21267871:

21267871

See below for interesting mathematical facts about the number 21267871 from the Numbermatics database.

Names of 21267871

Cardinal: 21267871 can be written as Twenty-one million, two hundred sixty-seven thousand, eight hundred seventy-one.

Scientific notation

Scientific notation: 2.1267871 × 10⁷

Factors of 21267871

Number of distinct prime factors ω(n): 1
Total number of prime factors Ω(n): 1
Sum of prime factors: 21267871

Divisors of 21267871

Number of divisors d(n): 2
Complete list of divisors:
1 21267871
Sum of all divisors σ(n): 21267872
Sum of proper divisors (its aliquot sum) s(n): 1
21267871 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 21267870

Bases of 21267871

Binary: 1010001001000010110011111₂
Hexadecimal: 0x144859F
Base-36: CNUE7

Squares and roots of 21267871

21267871 squared (21267871²) is 452322336872641
21267871 cubed (21267871³) is 9619933111025872217311
The square root of 21267871 is 4611.7102033843
The cube root of 21267871 is 277.0605375383

Scales and comparisons

How big is 21267871?

21,267,871 seconds is equal to 35 weeks, 1 day, 3 hours, 44 minutes, 31 seconds.
To count from 1 to 21,267,871 would take you about five 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 21267871 cubic inches would be around 23.1 feet tall.

Recreational maths with 21267871

21267871 backwards is 17876212
The number of decimal digits it has is: 8
The sum of 21267871's digits is 34
More coming soon!

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The information we have on file for 21267871 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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