If you want to completely crush the Earth so that nothing is left, you will need to use the following formula: EG = 3 GM 2 ⁄ 5 R.
The above equation describes the gravitational bond energy. This corresponds to the energy required for the components of an object held together by gravity to move an infinitely large distance from each other. This formula can be applied to a homogeneous environment.
Although the Earth is not a perfectly homogeneous sphere, this equation will at least help calculate the value of binding energy. The result is approximately 200 billion joules (2 followed by 32 zeros). This roughly corresponds to the energy that would be produced if the entire mass of the asteroid Eros, which has an average diameter of almost 17 kilometers, was converted directly into energy. At the same time, this is only 1/60 of the total energy produced by the Sun per year.
Source: Ferra
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