How to calculate scientific notation
x = m × 10ⁿ, where 1 ≤ |m| < 10
Worked example. Scientific notation: 1.23456789 × 10⁸.
Example inputs — Number (e.g. 0.000452 or 6.02e23): 123456789. Starting values are illustrative.
From George Guju, founder of Calculyn · Educational calculator guidance, not professional advice.
How it works
Scientific notation writes a number as a value between 1 and 10 multiplied by a power of 10 — handy for very large or very small numbers.
Assumptions & limitations
- Results are rounded for display.
Formula and assumptions reviewed October 2026 by the Calculyn team. How we build our calculators
Frequently asked questions
What does 6.02e23 mean?
It's E notation for 6.02 × 10²³ — the 'e' stands for 'times ten to the power of'.