129030720
129,030,720 is an even composite number composed of six prime numbers multiplied together.
129030720 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred thirty-six divisors.
Prime factorization of 129030720:
26 × 3 × 5 × 72 × 13 × 211
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 7 × 7 × 13 × 211)See below for interesting mathematical facts about the number 129030720 from the Numbermatics database.
Names of 129030720
- Cardinal: 129030720 can be written as One hundred twenty-nine million, thirty thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 1.2903072 × 108
Factors of 129030720
Divisors of 129030720
- Number of divisors d(n): 336
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Complete list of divisors:
1 2 3 4 5 6 7 8 10 12 13 14 15 16 20 21 24 26 28 30 32 35 39 40 42 48 49 52 56 60 64 65 70 78 80 84 91 96 98 104 105 112 120 130 140 147 156 160 168 182 192 195 196 208 210 211 224 240 245 260 273 280 294 312 320 336 364 390 392 416 420 422 448 455 480 490 520 546 560 588 624 633 637 672 728 735 780 784 832 840 844 910 960 980 1040 1055 1092 1120 1176 1248 1266 1274 1344 1365 1456 1470 1477 1560 1568 1680 1688 1820 1911 1960 2080 2110 2184 2240 2352 2496 2532 2548 2730 2743 2912 2940 2954 3120 3136 3165 3185 3360 3376 3640 3822 3920 4160 4220 4368 4431 4704 5064 5096 5460 5486 5824 5880 5908 6240 6330 6370 6720 6752 7280 7385 7644 7840 8229 8440 8736 8862 9408 9555 10128 10192 10339 10920 10972 11760 11816 12480 12660 12740 13504 13715 14560 14770 15288 15680 16458 16880 17472 17724 19110 19201 20256 20384 20678 21840 21944 22155 23520 23632 25320 25480 27430 29120 29540 30576 31017 32916 33760 35448 38220 38402 40512 40768 41145 41356 43680 43888 44310 47040 47264 50640 50960 51695 54860 57603 59080 61152 62034 65832 67520 70896 76440 76804 82290 82712 87360 87776 88620 94528 96005 101280 101920 103390 109720 115206 118160 122304 124068 131664 134407 141792 152880 153608 155085 164580 165424 175552 177240 192010 202560 203840 206780 219440 230412 236320 248136 263328 268814 283584 288015 305760 307216 310170 329160 330848 354480 384020 403221 413560 438880 460824 472640 496272 526656 537628 576030 611520 614432 620340 658320 661696 672035 708960 768040 806442 827120 877760 921648 992544 1075256 1152060 1228864 1240680 1316640 1344070 1417920 1536080 1612884 1654240 1843296 1985088 2016105 2150512 2304120 2481360 2633280 2688140 3072160 3225768 3308480 3686592 4032210 4301024 4608240 4962720 5376280 6144320 6451536 8064420 8602048 9216480 9925440 10752560 12903072 16128840 18432960 21505120 25806144 32257680 43010240 64515360 129030720
- Sum of all divisors σ(n): 515648448
- Sum of proper divisors (its aliquot sum) s(n): 386617728
- 129030720 is an abundant number, because the sum of its proper divisors (386617728) is greater than itself. Its abundance is 257587008
Bases of 129030720
- Binary: 1111011000011011010010000002
- Hexadecimal: 0x7B0DA40
- Base-36: 24TKQO
Squares and roots of 129030720
- 129030720 squared (1290307202) is 16648926703718400
- 129030720 cubed (1290307203) is 2148222999808011829248000
-
The
square root of 129030720 is 11359.1689836889 -
The
cube root of 129030720 is 505.3175403819
Scales and comparisons
How big is 129030720?- 129,030,720 seconds is equal to 4 years, 5 weeks, 2 days, 9 hours, 52 minutes.
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To count from 1 to 129,030,720 would take you about six years!
This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)
- A cube with a volume of 129030720 cubic inches would be around 42.1 feet tall.
Recreational maths with 129030720
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