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>What number would come after Octillion ?

In my desktop dictionary, there's a table under "numeration" (got there
by looking up 'quintillion') which says the following:

million = 1000 thousands
milliard = 1000 millions (French) = billion (U.S.)
trillion = 1000 billions or 1,000,000 millions
quadrillion
quintillion
sextillion
septillion
octillion
nonillion
decillion
undecillion
duodecillion
tredecillion
quattuordecillion
qundecillion
sexdecillion
etc.

Using scientific notation (with 10^3 is read "10 to the 3rd power"):

thousand = 10^3
million = 10^6
billion = 10^9
trillion = 10^12
etc.

Metric prefixes:
10^12 = tera (e.g. a terameter is one trillion meters, more than 10
million times the distance from the earth to the sun!)

10^9 = giga (commonly used now to describe the capacity of computer hard
drives -- e.g. 2 gigabytes = 2 billion individual characters of
information, with a character being one letter or digit)

10^6 = mega (one floppy disk holds 1.4 megabytes of information)



Joyce Conklin           jconkli@ed.co.sanmateo.ca.us
San Mateo Union High School Dist. (ret.)
San Mateo CA


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