That's small
For convenience and to get a sense of scale, here is the figure in Diplodocus neck lengths. It works out at roughly:
1.25 × 10^-19
Or in standard units, about 1.5 Particle Physicist's Monthly Wage Packet Widths.
Looking at the fundamental properties of matter can take some serious computing grunt. Take the calculation needed to help understand kaon decay – a subatomic particle interaction that helps explain why the universe is made of matter rather than anti-matter: it soaked up 54 million processor hours on Argonne National …