x seconds = $x$ seconds x minutes = $x \times 60 = 60x$ seconds x hours = $60x$ minutes = $60 \times 60x$ seconds = $3600x$ seconds x days = $24x$ hours = $24 \times 3600x$ seconds = $86400x$ seconds x weeks = $7x$ days = $7 \times 86400x$ seconds = $604800x$ seconds

Total time in seconds = $604800x + 86400x + 3600x + 60x + x = 694861x$ seconds