Use the form below to do your conversion.
Solution
Step1
Log139073=Log(9073) ÷ Log(13)
Log(9073)= 3.9577509108773
Log(13)=1.1139433523068
Log139073=3.9577509108773 ÷ 1.1139433523068
Ans=3.5529193676512
Step2
Alternatively, the logarithm can be calculated like this.