Use the form below to do your conversion.
Solution
Step1
Log2013091=Log(13091) ÷ Log(20)
Log(13091)= 4.1169728228605
Log(20)=1.301029995664
Log2013091=4.1169728228605 ÷ 1.301029995664
Ans=3.1643950074797
Step2
Alternatively, the logarithm can be calculated like this.