Definition:Number-Naming System/Long Scale

Definition
The long scale system is the number-naming system which uses:
 * the word million for $10^6 = 1 \, 000 \, 000$
 * the Latin-derived prefixes bi-, tri-, quadri-, quint-, etc. for each further multiple of $1 \, 000 \, 000$, appended to the root -(i)llion, corresponding to the indices $2$, $3$, $4$, $5$, $\ldots$

Thus:

Thus one $n$-illion equals $10^{6 n}$.

Additional terms are occasionally found to fill some of the gaps, but these are rare nowadays:

Also see

 * Definition:Short Scale