Use the form below to do your conversion.
Solution
Step1
Log139089=Log(9089) ÷ Log(13)
Log(9089)= 3.958516103423
Log(13)=1.1139433523068
Log139089=3.958516103423 ÷ 1.1139433523068
Ans=3.5536062899657
Step2
Alternatively, the logarithm can be calculated like this.