The resistance of a conductivity cell containing 0.01 M KCl solution at 298 K is 1750 $\Omega$. If the conductivity of 0.01 M KCl solution at 298 K is 0.152 $\times$ 10^$-$3 S cm^$-$1, then the cell constant of the conductivity cell is ____________ $\times$ 10^$-$3 cm^$-$1.