Use the form below to do your conversion.
Solution
Step1
Log202009=Log(2009) ÷ Log(20)
Log(2009)= 3.3029799367482
Log(20)=1.301029995664
Log202009=3.3029799367482 ÷ 1.301029995664
Ans=2.5387423408809
Step2
Alternatively, the logarithm can be calculated like this.