Disclosed herein are a motor usable with a washing machine, which includes a drive shaft to enable supply of electric power to an electric device within a drum, and a washing machine having the same. The washing machine may include a cabinet, a tub placed within the cabinet, a drum rotatably placed within the tub and configured to accommodate laundry therein, at least one electric device mounted to the drum and configured to be operable by electric power, a motor including a ring-shaped stator mounted to a rear wall of the tub and a rotor placed around the stator so as to be rotated via electromagnetic interaction with the stator, the motor being driven by an external power source, and an electric power generating device including a power-generation unit to generate electric power to be transmitted to the electric device via driving of the motor.