Use the form below to do your conversion.
Solution
Step1
Log2011309=Log(11309) ÷ Log(20)
Log(11309)= 4.0534242040693
Log(20)=1.301029995664
Log2011309=4.0534242040693 ÷ 1.301029995664
Ans=3.1155501545533
Step2
Alternatively, the logarithm can be calculated like this.