Use the form below to do your conversion.
Solution
Step1
Log1389=Log(89) ÷ Log(13)
Log(89)= 1.9493900066449
Log(13)=1.1139433523068
Log1389=1.9493900066449 ÷ 1.1139433523068
Ans=1.7499902509477
Step2
Alternatively, the logarithm can be calculated like this.