A "googol" is 10^100 or one followed by 100 zeros,

which equals 1 Kilo-Yotta-Yotta-Yotta-Yotta,

because Yotta is the official SI prefix for septillion.


 
Y 1000^8  10^24 1000000000000000000000000 septillion



Metric prefixes





Prefix
Symbol
1000m
10n
Decimal
English word[n 1]
Since[n 2]


yotta
Y
 10008
 1024
1000000000000000000000000
septillion
1991