How to multiply 21 by itself 9 times

How to multiply 21 by itself 9 times. In other words, what is 21 multiplied by itself 9 times?

To multiply 21 by itself 9 times is the same as 21 to the power of 9 (21^9) or twenty-one to the ninth power. Specifically, 21 is the base and 9 is the exponent like this:

21⁹

21⁹ is 21 multiplied by itself 9 times which is 21 × 21 × 21 × 21 × 21 × 21 × 21 × 21 × 21.

Here is how we calculate it:

21
21 × 21 = 441
441 × 21 = 9261
9261 × 21 = 194481
194481 × 21 = 4084101
4084101 × 21 = 85766121
85766121 × 21 = 1801088541
1801088541 × 21 = 37822859361
37822859361 × 21 = 794280046581

That is it! Now you know how to multiply 21 by itself 9 times.

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