This is more than halfway around the Earth:
1 billion inches = 83.33 million feet = 15782.83 miles
1 billion inches is almost exactly 25400 kilometers. (1 inch = 2.54 cm)
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1 billion seconds?
1 billion short scale = 109 or 1 billion long scale 1012 1 billion x 1 billion = short scale 1018 1 billion x 1 billion = long scale 1024 109 = 1 billion short scale and 1 milliard long scale. 1012 = 1 trillion short scale and 1billion long scale. 1015 = 1 quadrillion short scale and 1 billiard long scale. 1018 = 1 quintillion short scale and 1 trillion long scale. 1024 = 1 quadrillion short scale and 1 septillion long scale.
1 billion and 1 significant figures, 1 billion and 2 characters.
1.6 billion inches = 25252.5253 miles
4.5 billion inches = 71,022.7 miles.