Indian number system and the International number system
Zeros in the International Number System
| Number Name | Number | Zeros |
|---|---|---|
| Hundred | 100 | 2 zeros |
| Thousand | 1,000 | 3 zeros |
| Ten Thousand | 10,000 | 4 zeros |
| Hundred Thousand | 100,000 | 5 zeros |
| Million | 1,000,000 | 6 zeros |
| Ten Million | 10,000,000 | 7 zeros |
| Hundred Million | 100,000,000 | 8 zeros |
| Billion | 1,000,000,000 | 9 zeros |
| Trillion | 1,000,000,000,000 | 12 zeros |
Important:
1 Million = 10⁶
1 Billion = 10⁹
1 Trillion = 10¹²
Zeros in the Indian Number System
| Number Name | Number (Indian Format) | Zeros |
|---|---|---|
| Hundred | 100 | 2 zeros |
| Thousand | 1,000 | 3 zeros |
| Ten Thousand | 10,000 | 4 zeros |
| Lakh | 1,00,000 | 5 zeros |
| Ten Lakh | 10,00,000 | 6 zeros |
| Crore | 1,00,00,000 | 7 zeros |
| Ten Crore | 10,00,00,000 | 8 zeros |
| Arab | 1,00,00,00,000 | 9 zeros |
| Kharab | 1,00,00,00,00,000 | 11 zeros |
Important Conversions
1 Lakh = 100,000 = 10⁵
1 Crore = 10,000,000 = 10⁷
1 Million = 10 Lakh
1 Billion = 100 Crore
🧠 Quick Memory Trick for Exams
In International System:
Million → 6 zeros
Billion → 9 zeros
Trillion → 12 zeros
Each step increases by 3 zeros.
In Indian System:
Lakh → 5 zeros
Crore → 7 zeros
Difference between Lakh and Crore = 2 zeros