Whether Quantum computing could replace the todays' super computer with minimal number of qubits(may be 40)?

The concept of quantum supremacy suggests that quantum computers can solve certain problems that are intractable for classical supercomputers. Google's quantum supremacy experiment used 53 qubits to perform a calculation in 200 seconds that would take classical supercomputers thousands of years. While 40 qubits is theoretically discussed as a threshold for demonstrating quantum advantage, replacing supercomputers entirely requires many more qubits with error correction. The statement captures the potential of quantum computing.