The definition of a septillion is a number that is a 1 with 24 zeros after it.
An example of a septillion is a yottabyte, 1,000,000,000,000,000,000,000,000 bytes.
- the number represented by 1 followed by 24 zeros
- Brit. the number represented by 1 followed by 42 zeros
Origin of septillionFrench from Classical Latin septem, seven + French (m)illion
amounting to one septillion in number
- The cardinal number equal to 1024.
- Chiefly British The cardinal number equal to 1042.
Origin of septillionFrenchLatin septem seven ; see septet . French -illion ( as in million million ) ( from Old French milion ; see million . )
septi- (“seven") +"Ž -illion