$x\in 2^{\frac{8}{9}}e^{\frac{2\pi i}{9}},2^{\frac{8}{9}},2^{\frac{8}{9}}e^{\frac{4\pi i}{9}},2^{\frac{8}{9}}e^{\frac{2\pi i}{3}},2^{\frac{8}{9}}e^{\frac{8\pi i}{9}},2^{\frac{8}{9}}e^{\frac{10\pi i}{9}},2^{\frac{8}{9}}e^{\frac{4\pi i}{3}},2^{\frac{8}{9}}e^{\frac{14\pi i}{9}},2^{\frac{8}{9}}e^{\frac{16\pi i}{9}}$

$x=2^{\frac{8}{9}}\approx 1.851749425$