21261090

21,261,090 is an even composite number composed of four prime numbers multiplied together.

What does the number 21261090 look like?

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

21261090 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 21261090:

2 × 3 × 5 × 708703

See below for interesting mathematical facts about the number 21261090 from the Numbermatics database.

Names of 21261090

Cardinal: 21261090 can be written as Twenty-one million, two hundred sixty-one thousand and ninety.

Scientific notation

Scientific notation: 2.126109 × 10⁷

Factors of 21261090

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 4
Sum of prime factors: 708713

Divisors of 21261090

Number of divisors d(n): 16
Complete list of divisors:
1 2 3 5 6 10 15 30 708703 1417406 2126109 3543515 4252218 7087030 10630545 21261090
Sum of all divisors σ(n): 51026688
Sum of proper divisors (its aliquot sum) s(n): 29765598
21261090 is an abundant number, because the sum of its proper divisors (29765598) is greater than itself. Its abundance is 8504508

Bases of 21261090

Binary: 1010001000110101100100010₂
Hexadecimal: 0x1446B22
Base-36: CNP5U

Squares and roots of 21261090

21261090 squared (21261090²) is 452033947988100
21261090 cubed (21261090³) is 9610734451230313029000
The square root of 21261090 is 4610.9749511357
The cube root of 21261090 is 277.0310886227

Scales and comparisons

How big is 21261090?

21,261,090 seconds is equal to 35 weeks, 1 day, 1 hour, 51 minutes, 30 seconds.
To count from 1 to 21,261,090 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 21261090 cubic inches would be around 23.1 feet tall.

Recreational maths with 21261090

21261090 backwards is 09016212
The number of decimal digits it has is: 8
The sum of 21261090's digits is 21
More coming soon!

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The information we have on file for 21261090 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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