Use the form below to do your conversion.
Solution
Step1
Log215489=Log(5489) ÷ Log(21)
Log(5489)= 3.7394932307816
Log(21)=1.3222192947339
Log215489=3.7394932307816 ÷ 1.3222192947339
Ans=2.8281944195453
Step2
Alternatively, the logarithm can be calculated like this.