3600/Historical Note

Historical Note on $3600$ (Three Thousand, Six Hundred)

There are $3600$ seconds of time in an hour.

There are $3600$ seconds of angle in an degree.

There are $3600$ minutes of angle in a $60$ degree angle.

These divisions date back to the time of the Babylonians, who used a $60$-based number system for their mathematics and astronomy.

Also see

• Definition:Sexagesimal Notation

Sources

• 1986: David Wells: Curious and Interesting Numbers ... (previous) ... (next): $3600$
• 1997: David Wells: Curious and Interesting Numbers (2nd ed.) ... (previous) ... (next): $3600$