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Maybe this exercise will get you over that threshold of understanding.

What exercise?

According to modern understanding, the electron is a point particle with a point charge and no spatial extent. Attempts to model the electron as a non-point particle have been described as ill-conceived and counter-pedagogic.^{[1] https://en.wikipedia.org/wiki/Classical_electron_radius}

^{From what I can find, we have an apples/oranges thing here. A volume that an electron COULD occupy is calculated, but the actual size of the electron cannot be.}

The electron rest mass (symbol: m_e) is the mass of a stationary electron, also known as the invariant mass of the electron. It is one of the fundamental constants of physics.

It has a value of about 9.109×10⁻³¹ kilograms or about 5.486×10⁻⁴ daltons, equivalent to an energy of about 8.187×10⁻¹⁴ joules or about 0.5110 MeV.^[2]

I notice this about you. You quote things without understanding them. Like that final quoted paragraph. That was how you were off by more than 100 orders of magnitude prior to this. You do not know math, so you should probably refrain from criticizing it. You keep sending out questions to me after we had our little interaction, and you never show that you understand what is behind the questions nor the concepts. And yet that doesn’t stop you from criticizing those who do understand.

According to modern understanding,
***which is updated on a weekly basis. And that modern understanding is about to throw the prior understanding of electrons out on its ear.

the electron is a point particle with a point charge and no spatial extent.
***Those are the kinds of things physicists do in order to be able to use easier math.

Attempts to model the electron as a non-point particle have been described as ill-conceived and counter-pedagogic.
***There we have it. Scientists engaging in scientism. Instead of simply doing the hard math or finding more suitable ways to understand what’s going on.