What is 2.2204460492503E-16 as odds?

[bsharvy]

TL;DR Summary

How to convert really small numbers to odds format

I think it's around 1 to 100-trillion, but maybe 1-quadrillion?

 

[fresh_42]

$\begin{align*} 2.2204460492503E-16&=2.2204460492503\cdot 10^{-16}\\ &\approx 0.222\cdot 10^{-15} =0.222 \text{ femto (f)} \\ &= 222 \cdot 10^{-18} \text{ atto (a)} \end{align*}$
Whether you call femto a billiardth or a quadrillionth and atto a trillionth or a quintrillionth depends on your location on earth.

 

[berkeman]

2.2204460492503E-16

Did you just make this number up? How did you make this measurement to this precision?

 

[bsharvy]

Did you just make this number up? How did you make this measurement to this precision?

It is (0.5)^52

So, are the odds of getting heads 52 times in a row approximately one to one-quadrillion?

 

[Frabjous]

Let p be the probability of an event.
Then 1-p is the probability of the event not happening.
So the odds are 1-p to p.
You can divide by p to get $\frac 1 p -1 ~to~1$

 

[malawi_glenn]

the odds

You mean "the probability"

 

[Hornbein]

It is (0.5)^52

So, are the odds of getting heads 52 times in a row approximately one to one-quadrillion?

Yes. One in 4.5 quadrillion.