Use the form below to do your conversion.
Solution
Step1
Log139091=Log(9091) ÷ Log(13)
Log(9091)= 3.9586116577649
Log(13)=1.1139433523068
Log139091=3.9586116577649 ÷ 1.1139433523068
Ans=3.553692070218
Step2
Alternatively, the logarithm can be calculated like this.