There are infinitely many things that equals 490, or even for every single number.
If you want a few:
7*70
400+90
sqrt(240100)
49*10
7*7*2*5
etc.
It is: 490/17 times 17 = 490
70 + 490 = 560
30.625
49 x 10 = 490 7 x 70 = 490 98 x 5 = 490 2 x 245 = 490
490
490
490 + 1 :)
0.049
0.4765625 GBs
2 x 5 x 7 x 7 = 490
As a product of its prime factors: 2*5*7*7 = 490
49 decimeters.