Why is it displayed that the flash drive has a capacity of ~ 1.4 giga, when there are 16?

Question

linux

Flash drive formatted

[email protected] /home/fapchat # umount -l /dev/sdd1
[email protected] /home/fapchat # sudo mkfs -t ext4 -L FLASH /dev/sdd1
mke2fs 1.44.6 (5-Mar-2019)
/dev/sdd1 contains a iso9660 file system labelled 'SolusLiveBudgie'
Proceed anyway? (y,N) y
Creating filesystem with 366120 4k blocks and 91584 inodes
Filesystem UUID: 9c0a768d-1b53-414d-9b5f-b218a4586c76 Superblock
backups stored on blocks:
32768, 98304, 163840, 229376
,
294912 : done
Creating journal (8192 blocks): done
Writing superblocks and filesystem accounting information: done

Answer 1

/dev/sdd1is the first section of the flash drive. It is not necessary that it occupies its entire volume.