The highest digit of a number is the million digit. How many digits does this number have?

The highest digit of a number is the million digit and the number is 7 digits.

In the digit table, starting from the single digit on the major side, units, tens, hundreds, thousands, ten thousand, one hundred thousand, millions, and the largest digit is the million. This is a more traditional method.

In the digital table, there are p digits on the one level, and p digits on the ten thousand level. The highest digit, the eighth digit, is the tens of millions digit, and the next largest digit is exactly the million digit.

In the numerical sequence table, starting from the right, the first digit is the units digit, and the counting unit is one, which means several ones.

The second digit is the tens digit, and the counting unit is ten, indicating several tens.

The third digit is the hundreds place, and the counting unit is hundreds, indicating how many hundreds.

The fourth digit is the thousands digit, and the counting unit is thousands, indicating how many thousands.

The fifth digit is the ten thousand digit, and the counting unit is ten thousand, indicating several tens of thousands.

And so on.

The importance of learning mathematics: 1. Mathematics is closely related to our lives.

The real effect of learning mathematics is not reflected in exam-oriented education, but in one's own thinking in the future.

2. The importance of mathematics is self-evident.

Mathematics is the foundation of all sciences and an important channel for cultivating logical thinking. It can be said that every major progress of our mankind has strong support from the subject of mathematics.

3. Mathematical knowledge is used everywhere in life.

From the calculation of the cost of firewood, rice, oil and salt in daily life, to astronomy and geography, quality control, agricultural economics, and aerospace industry, there is a shadow of the use of mathematics.