Answer: 8
Step-by-step explanation:
262144^(1/6)
(2 × 131072)^(1/6)
(2 × 2 × 65536)^(1/6)
(2 × 2 × 2 × 32768)^(1/6)
(2 × 2 × 2 × 2 × 16384)^(1/6)
(2 × 2 × 2 × 2 × 2× 8194)^(1/6)
(2 × 2 × 2 × 2 × 2 × 2 × 4096)^(1/6)
(2^6 × 4096)^(1/6)
(2^6)^(1/6) × (4096)^(1/6)
2 × (2^12)^(1/6)
2 × (2^2)
2 × 4
8