Saturn V (USA) was the largest rocket, but not the most powerful.  It was 110.6 m (363 ft high) with the Apollo spacecraft on top and weighed 2,903 tonnes (6,400,000 lb) on the launch pad. saturn 5 had a lift off thrust of of 3,447 tonnes (7,600,000 lb). (The first Saturn 5 was launched in 1967 and the 13th, and last, in 1973.)