Because it is much simpler. Words take a lot more characters.
you write 85 thousand in digits is like this Eighty- five -thousand
1 180 000 1,180,000 or 1.18 x 106
To (a) avoid confusion and (b) prevent fraud. When writing a cheque, you write the amount payable in figures and words. That way it's harder to alter the cheque to a higher value.
Oh, dude, a number with 26 digits is called a "26-digit number." Like, it's not rocket science, right? Just count those digits and boom, you got yourself a 26-digit number. Math can be so chill sometimes.
You just have written it in words. In digits, it is written 47,000.
20,000,000
60,000,000
a cheque
1,020,000
Twenty four and forty seven hundredths.
Five hundred sixty and eight hundredths.
1,005,000
1,005,000
5,500,000,000
Twenty-six thousand.
One million fifty thousand six with digits is: 1,050,006