That amount would buy about 422 Nimitz Class aircraft carriers, which run about $4.5 billion apiece. It would be enough to provide Pell grants of $5,000 to some 380 million low-income students, a number exceeding the entire population of the country.
And 1.9 trillion feet would take you to the top of Mount Everest 65 million times, or to the bottom of the 36,000-foot Mariana Trench, the deepest point in the Pacific, about 53 million times.
Interms of time, 1.9 trillion seconds adds up to about 60,000 years. And1.9 trillion hours ago, or almost 220 million years ago, dinosaurs werejust beginning to dominate the Earth.