Use the form below to do your conversion.
Solution
Step1
Log20989=Log(989) ÷ Log(20)
Log(989)= 2.9951962915972
Log(20)=1.301029995664
Log20989=2.9951962915972 ÷ 1.301029995664
Ans=2.3021731255847
Step2
Alternatively, the logarithm can be calculated like this.