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Birbal asked Akbar for rice starting with 1 grain and instructed to repeat…

2026-08-05 · 11:23 UTC ·@reetesheth ·1 min read

Brief

An Akbar–Birbal story recounts Birbal asking for rice beginning with one grain and having the quantity repeatedly squared 36 times (examples: 1→2→4→16→256). Royal mathematicians later reported the total 'cannot be paid'—not even with all the rice in the world—underscoring how exponential growth appears tiny then becomes vast.

Why it matters

Birbal asked Akbar for rice starting with 1 grain and instructed to repeat 'square the result' 36 times; the post gives intermediate values 1→2→4→16→256 (author @reetesheth, published 2026-08-05).

Key details

  • Royal mathematicians told Akbar the demanded amount 'cannot be paid... not even if we gathered all the rice produced in the entire world,' i.e., the final quantity exceeds global rice supply.
  • The story illustrates exponential growth: repeated squaring over 36 iterations turns an almost invisible starting value (1 grain) into an astronomically large number that overwhelms intuition.
Source evidence

There's an old Akbar–Birbal style story I love.

One day, Akbar told Birbal, "Ask for anything you want, and I'll grant it."

Birbal smiled and said, "I don't want gold or land. Just give me rice."

Akbar laughed. "That's all?"

Birbal replied, "Start with 1 grain. Then do this 36 times:
1×2=2, 2×2=4, 4×4=16, 16×16=256... keep squaring the result each time."

"It will barely fill a bowl," Akbar joked.

A few hours later, the royal mathematicians returned with pale faces.

Jahapanah, this cannot be paid. Not with the rice in our kingdom... not even if we gathered all the rice produced in the entire world.

That's the thing about exponential growth. It starts looking tiny until suddenly it becomes bigger than everything you thought was possible.