Board Thread:Questions and Answers/@comment-27861278-20170809031614/@comment-28510017-20170809034200

10,000,000,000,000,000,000,000,000,000 Megatons = 4.18399999999999986e+43 Joules

10e+44 = 1 Foe

4.18399999999999986e+43 / 10e+44