Create a function that counts the number of digits in a number. Conversion of the number to a string is not allowed.

Examples

digits_count(4666) ➞ 4

digits_count(544) ➞ 3

digits_count(121317) ➞ 6

digits_count(0) ➞ 1

digits_count(12345) ➞ 5

digits_count(1289396387328) ➞ 13

Notes

• All inputs are integers but some are in exponential form, deal with it accordingly.
• A recursive version of this challenge can be found via this link.