Chessboard v/s Rice story. Is it true?

Chessboard v/s Rice story. Is it true?

Once upon a time in ancient India, a ruler was captivated by the intricate game of chess, a creation that had just unfolded. Filled with joy and admiration, the ruler sought to reward the genius behind this strategic game – a man known for his wisdom and prowess in mathematics.

First Read this table

Doubling Pattern Table
Square Value
1 2
2 4
3 8
4 16
5 32
6 64
7 128
8 256
9 512
10 1024
11 2048
12 4096
13 8192
14 16384
15 32768
16 65536
17 131072
18 262144
19 524288
20 1048576
21 2097152
22 4194304
23 8388608
24 16777216
25 33554432
26 67108864
27 134217728
28 268435456
29 536870912
30 1073741824
31 2147483648
32 4294967296
33 8589934592
34 17179869184
35 34359738368
36 68719476736
37 137438953472
38 274877906944
39 549755813888
40 1099511627776
41 2199023255552
42 4398046511104
43 8796093022208
44 17592186044416
45 35184372088832
46 70368744177664
47 140737488355328
48 281474976710656
49 562949953421312
50 1125899906842624
51 2251799813685248
52 4503599627370496
53 9007199254740992
54 18014398509481984
55 36028797018963968
56 72057594037927936
57 144115188075855872
58 288230376151711744
59 576460752303423488
60 1152921504606846976
61 2305843009213693952
62 4611686018427387904
63 9223372036854775808
64 18446744073709551616

In 10 Multiples

Chessboard Values
1 2 3 4 5 6 7 8
2 * 10^1 4 * 10^1 8 * 10^1 1.6 * 10^2 3.2 * 10^2 6.4 * 10^2 1.28 * 10^3 2.56 * 10^3
5.12 * 10^3 1.02 * 10^4 2.05 * 10^4 4.10 * 10^4 8.19 * 10^4 1.64 * 10^5 3.28 * 10^5 6.56 * 10^5
1.31 * 10^6 2.62 * 10^6 5.25 * 10^6 1.05 * 10^7 2.10 * 10^7 4.19 * 10^7 8.39 * 10^7 1.68 * 10^8
3.36 * 10^8 6.72 * 10^8 1.34 * 10^9 2.68 * 10^9 5.37 * 10^9 1.07 * 10^10 2.15 * 10^10 4.29 * 10^10
8.59 * 10^10 1.72 * 10^11 3.44 * 10^11 6.89 * 10^11 1.38 * 10^12 2.75 * 10^12 5.51 * 10^12 1.10 * 10^13
2.20 * 10^13 4.39 * 10^13 8.79 * 10^13 1.76 * 10^14 3.52 * 10^14 7.05 * 10^14 1.41 * 10^15 2.82 * 10^15
5.65 * 10^15 1.13 * 10^16 2.26 * 10^16 4.53 * 10^16 9.07 * 10^16 1.81 * 10^17 3.62 * 10^17 7.25 * 10^17
1.45 * 10^18 2.90 * 10^18 5.81 * 10^18 1.16 * 10^19 2.32 * 10^19 4.65 * 10^19 9.31 * 10^19 1.86 * 10^20

Once upon a time in ancient India, a ruler was captivated by the intricate game of chess, a creation that had just unfolded. Filled with joy and admiration, the ruler sought to reward the genius behind this strategic game – a man known for his wisdom and prowess in mathematics.

This ingenious individual, the creator of chess, approached the ruler with a seemingly modest request. He humbly asked for just one grain of rice to be placed on the first square of the chessboard on the first day, doubling that amount on the second square the next day, and continuing this pattern until all 64 squares were filled.

The ruler, intrigued and considering it a simple and economical request, readily agreed. Little did he know that this seemingly straightforward task would unfold into a mathematical marvel, revealing the astonishing power of exponential growth.

The initial grains of rice on the first few squares seemed inconsequential:

  • Square 1: 1 grain
  • Square 2: 2 grains
  • Square 3: 4 grains
  • …and so on.

However, as the doubling continued, the numbers quickly escalated beyond the ruler’s anticipation. By the 10th square, there were already 512 grains – still manageable. Yet, the pace of growth became apparent:

  • Square 20: 524,288 grains
  • Square 32: 2,147,483,648 grains

It was on day 36 that the true impact hit – a staggering 34,359,738,368 grains of rice added. The second half of the chessboard brought exponential growth to a shocking climax:

  • Square 64: 18446744073709551616 grains

If stacked, this mountain of rice would supposedly reach the summit of Mount Everest.

The wise man, far from being a fool, had orchestrated a demonstration of the “unbearable quickness of doubling.” The story of the chessboard rice serves as a metaphor for the rapid and impactful nature of exponential growth, a phenomenon businesses often encounter, especially in the second half of their strategic journey. At square 32, the tipping point is reached, where growth becomes not just significant but potentially chaotic and unsustainable. The tale of the chessboard rice reminds us of the profound consequences that can arise from the relentless doubling of even the most modest beginnings.

If we express the result in scientific notation (10^), it would be:

[ \text{Number of bags} \approx 1.84467440737 \times 10^{10} ]

So, it would take approximately 1.84467440737 x 10^10 bags to contain 1 billion rice grains if each bag can hold 1 billion grains. Therefore, in scientific notation, the answer is approximately (1.844 \times 10^{10}) bags.

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