Use the form below to do your conversion.
Solution
Step1
Log2013109=Log(13109) ÷ Log(20)
Log(13109)= 4.1175695634638
Log(20)=1.301029995664
Log2013109=4.1175695634638 ÷ 1.301029995664
Ans=3.1648536753086
Step2
Alternatively, the logarithm can be calculated like this.