21353889

21,353,889 is an odd composite number composed of four prime numbers multiplied together.

What does the number 21353889 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 16 divisors.

21353889 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 21353889:

3 × 29 × 71 × 3457

See below for interesting mathematical facts about the number 21353889 from the Numbermatics database.

Names of 21353889

Cardinal: 21353889 can be written as Twenty-one million, three hundred fifty-three thousand, eight hundred eighty-nine.

Scientific notation

Scientific notation: 2.1353889 × 10⁷

Factors of 21353889

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 4
Sum of prime factors: 3560

Divisors of 21353889

Number of divisors d(n): 16
Complete list of divisors:
1 3 29 71 87 213 2059 3457 6177 10371 100253 245447 300759 736341 7117963 21353889
Sum of all divisors σ(n): 29877120
Sum of proper divisors (its aliquot sum) s(n): 8523231
21353889 is a deficient number, because the sum of its proper divisors (8523231) is less than itself. Its deficiency is 12830658

Bases of 21353889

Binary: 1010001011101010110100001₂
Hexadecimal: 0x145D5A1
Base-36: CPORL

Squares and roots of 21353889

21353889 squared (21353889²) is 455988575424321
21353889 cubed (21353889³) is 9737129424879078534369
The square root of 21353889 is 4621.0268339407
The cube root of 21353889 is 277.4335592903

Scales and comparisons

How big is 21353889?

21,353,889 seconds is equal to 35 weeks, 2 days, 3 hours, 38 minutes, 9 seconds.
To count from 1 to 21,353,889 would take you about six 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 21353889 cubic inches would be around 23.1 feet tall.

Recreational maths with 21353889

21353889 backwards is 98835312
The number of decimal digits it has is: 8
The sum of 21353889's digits is 39
More coming soon!

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The information we have on file for 21353889 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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