9 times 28 is 252. In symbols: 9 × 28 = 252, and 28 × 9 = 252 too.
9 × 28 means adding 9 to itself 28 times: that is 28 copies of 9, which add up to 252.
9, 18, 27, 36, 45, 54, 63, 72, 81, 90, 99, 108, ... (keep going to the 28th multiple). The 28th multiple of 9 is 252.
9 × 28 = 9 × 20 + 9 × 8 = 180 + 72 = 252.
Halve one number and double the other: 9 × 28 = 14 × 18 = 252.
252 ÷ 9 = 28
252 ÷ 28 = 9
252 is even. Prime factorization: 2 × 2 × 3 × 3 × 7.
| Multiplication | Answer |
|---|---|
| 8 × 28 | 224 |
| 10 × 28 | 280 |
| 9 × 27 | 243 |
| 9 × 29 | 261 |
| 9 × 30 | 270 |
| 9 × 26 | 234 |
| 11 × 28 | 308 |
| 7 × 28 | 196 |
Other numbers? Browse the multiplication table, the squares and cubes or the exponent calculator.