l 30thsquarenumber

30thsquarenumber

Answer

900

↓Steps Explained:↓

Show the first 30 Square numbers

Square numbers form a square shape in dots

Square numbers formula

S_n = n²

Plug in n = 30

S₃₀ = 900

Square numbers table

# Math Square Cumulative Math Cumulative Sum
1 1² 1 0 + 1 1
2 2² 4 1 + 4 5
3 3² 9 5 + 9 14
4 4² 16 14 + 16 30
5 5² 25 30 + 25 55
6 6² 36 55 + 36 91
7 7² 49 91 + 49 140
8 8² 64 140 + 64 204
9 9² 81 204 + 81 285
10 10² 100 285 + 100 385
11 11² 121 385 + 121 506
12 12² 144 506 + 144 650
13 13² 169 650 + 169 819
14 14² 196 819 + 196 1,015
15 15² 225 1,015 + 225 1,240
16 16² 256 1,240 + 256 1,496
17 17² 289 1,496 + 289 1,785
18 18² 324 1,785 + 324 2,109
19 19² 361 2,109 + 361 2,470
20 20² 400 2,470 + 400 2,870
21 21² 441 2,870 + 441 3,311
22 22² 484 3,311 + 484 3,795
23 23² 529 3,795 + 529 4,324
24 24² 576 4,324 + 576 4,900
25 25² 625 4,900 + 625 5,525
26 26² 676 5,525 + 676 6,201
27 27² 729 6,201 + 729 6,930
28 28² 784 6,930 + 784 7,714
29 29² 841 7,714 + 841 8,555
30 30² 900 8,555 + 900 9,455

Final Answer

900

Related Calculators: Automorphic Number | Index Form | 1089 Number Trick

#	Math	Square	Cumulative Math	Cumulative Sum
1	1²	1	0 + 1	1
2	2²	4	1 + 4	5
3	3²	9	5 + 9	14
4	4²	16	14 + 16	30
5	5²	25	30 + 25	55
6	6²	36	55 + 36	91
7	7²	49	91 + 49	140
8	8²	64	140 + 64	204
9	9²	81	204 + 81	285
10	10²	100	285 + 100	385
11	11²	121	385 + 121	506
12	12²	144	506 + 144	650
13	13²	169	650 + 169	819
14	14²	196	819 + 196	1,015
15	15²	225	1,015 + 225	1,240
16	16²	256	1,240 + 256	1,496
17	17²	289	1,496 + 289	1,785
18	18²	324	1,785 + 324	2,109
19	19²	361	2,109 + 361	2,470
20	20²	400	2,470 + 400	2,870
21	21²	441	2,870 + 441	3,311
22	22²	484	3,311 + 484	3,795
23	23²	529	3,795 + 529	4,324
24	24²	576	4,324 + 576	4,900
25	25²	625	4,900 + 625	5,525
26	26²	676	5,525 + 676	6,201
27	27²	729	6,201 + 729	6,930
28	28²	784	6,930 + 784	7,714
29	29²	841	7,714 + 841	8,555
30	30²	900	8,555 + 900	9,455

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