21249774

21,249,774 is an even composite number composed of five prime numbers multiplied together.

What does the number 21249774 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 48 divisors.

21249774 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of forty-eight divisors.

Prime factorization of 21249774:

2 × 3² × 7 × 13 × 12973

(2 × 3 × 3 × 7 × 13 × 12973)

See below for interesting mathematical facts about the number 21249774 from the Numbermatics database.

Names of 21249774

Cardinal: 21249774 can be written as Twenty-one million, two hundred forty-nine thousand, seven hundred seventy-four.

Scientific notation

Scientific notation: 2.1249774 × 10⁷

Factors of 21249774

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 6
Sum of prime factors: 12998

Divisors of 21249774

Number of divisors d(n): 48
Complete list of divisors:
1 2 3 6 7 9 13 14 18 21 26 39 42 63 78 91 117 126 182 234 273 546 819 1638 12973 25946 38919 77838 90811 116757 168649 181622 233514 272433 337298 505947 544866 817299 1011894 1180543 1517841 1634598 2361086 3035682 3541629 7083258 10624887 21249774
Sum of all divisors σ(n): 56670432
Sum of proper divisors (its aliquot sum) s(n): 35420658
21249774 is an abundant number, because the sum of its proper divisors (35420658) is greater than itself. Its abundance is 14170884

Bases of 21249774

Binary: 1010001000011111011101110₂
Hexadecimal: 0x1443EEE
Base-36: CNGFI

Squares and roots of 21249774

21249774 squared (21249774²) is 451552895051076
21249774 cubed (21249774³) is 9595396968881083456824
The square root of 21249774 is 4609.7477154395
The cube root of 21249774 is 276.9819309027

Scales and comparisons

How big is 21249774?

21,249,774 seconds is equal to 35 weeks, 22 hours, 42 minutes, 54 seconds.
To count from 1 to 21,249,774 would take you about four 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 21249774 cubic inches would be around 23.1 feet tall.

Recreational maths with 21249774

21249774 backwards is 47794212
The number of decimal digits it has is: 8
The sum of 21249774's digits is 36
More coming soon!

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The information we have on file for 21249774 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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