21481461

21,481,461 is an odd composite number composed of three prime numbers multiplied together.

What does the number 21481461 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 12 divisors.

21481461 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twelve divisors.

Prime factorization of 21481461:

3² × 1559 × 1531

(3 × 3 × 1559 × 1531)

See below for interesting mathematical facts about the number 21481461 from the Numbermatics database.

Names of 21481461

Cardinal: 21481461 can be written as Twenty-one million, four hundred eighty-one thousand, four hundred sixty-one.

Scientific notation

Scientific notation: 2.1481461 × 10⁷

Factors of 21481461

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 4
Sum of prime factors: 3093

Divisors of 21481461

Number of divisors d(n): 12
Complete list of divisors:
1 3 9 1531 1559 4593 4677 13779 14031 2386829 7160487 21481461
Sum of all divisors σ(n): 31068960
Sum of proper divisors (its aliquot sum) s(n): 9587499
21481461 is a deficient number, because the sum of its proper divisors (9587499) is less than itself. Its deficiency is 11893962

Bases of 21481461

Binary: 1010001111100011111110101₂
Hexadecimal: 0x147C7F5
Base-36: CSF79

Squares and roots of 21481461

21481461 squared (21481461²) is 461453166694521
21481461 cubed (21481461³) is 9912688203674851775181
The square root of 21481461 is 4634.8097048315
The cube root of 21481461 is 277.9849421653

Scales and comparisons

How big is 21481461?

21,481,461 seconds is equal to 35 weeks, 3 days, 15 hours, 4 minutes, 21 seconds.
To count from 1 to 21,481,461 would take you about twenty-two 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 21481461 cubic inches would be around 23.2 feet tall.

Recreational maths with 21481461

21481461 backwards is 16418412
The number of decimal digits it has is: 8
The sum of 21481461's digits is 27
More coming soon!

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The information we have on file for 21481461 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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