Your numbers are an exaggeration. It is based on a social studies type definition of denominations. I spoke with the authors of the encyclopedia those numbers comes from. They do not use a theological definition of denominations.
A confusion may be Sabellianism is the belief that instead of being three persons, these are actually three ''modes'' or masks of the same God. Sabellianism is a type of Modalism, which is a group of heresies that all refer to different aspects of God instead of different persons.
The Trinity is in the Bible outlined here: https://www.calvarychapelboston.com/Biblical%20Basis%20Trinity%20Bowman.pdf
The definition I work with is One God or godhead containing three personalities. God choose to review himself this way so, we have a chance to relate to him.
Jewish Thinking...
James 2:26
Easy-to-Read Version
26 A person’s body that does not have a spirit is dead. It is the same with faith—faith that does nothing is dead!
The JW concept of soul is known as monochotomy.
Monochotomy: Human beings are composed of one component: a body based on Genesis 2:7
Doctrine...
2 Peter 1
Easy-to-Read Version
1 Greetings from Simon Peter, a servant and apostle of Jesus Christ.
To all of you who share in the same valuable faith that we have. This faith was given to us because our God and Savior Jesus Christ always does what is good and right.
2 Grace and peace be...