129429900
129,429,900 is an even composite number composed of five prime numbers multiplied together.
129429900 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred seventy divisors.
Prime factorization of 129429900:
22 × 34 × 52 × 19 × 292
(2 × 2 × 3 × 3 × 3 × 3 × 5 × 5 × 19 × 29 × 29)See below for interesting mathematical facts about the number 129429900 from the Numbermatics database.
Names of 129429900
- Cardinal: 129429900 can be written as One hundred twenty-nine million, four hundred twenty-nine thousand, nine hundred.
Scientific notation
- Scientific notation: 1.294299 × 108
Factors of 129429900
Divisors of 129429900
- Number of divisors d(n): 270
-
Complete list of divisors:
1 2 3 4 5 6 9 10 12 15 18 19 20 25 27 29 30 36 38 45 50 54 57 58 60 75 76 81 87 90 95 100 108 114 116 135 145 150 162 171 174 180 190 225 228 261 270 285 290 300 324 342 348 380 405 435 450 475 513 522 540 551 570 580 675 684 725 783 810 841 855 870 900 950 1026 1044 1102 1140 1305 1350 1425 1450 1539 1566 1620 1653 1682 1710 1740 1900 2025 2052 2175 2204 2349 2523 2565 2610 2700 2755 2850 2900 3078 3132 3306 3364 3420 3915 4050 4205 4275 4350 4698 4959 5046 5130 5220 5510 5700 6156 6525 6612 7569 7695 7830 8100 8265 8410 8550 8700 9396 9918 10092 10260 11020 11745 12615 12825 13050 13775 14877 15138 15390 15660 15979 16530 16820 17100 19575 19836 21025 22707 23490 24795 25230 25650 26100 27550 29754 30276 30780 31958 33060 37845 38475 39150 41325 42050 44631 45414 46980 47937 49590 50460 51300 55100 58725 59508 63075 63916 68121 74385 75690 76950 78300 79895 82650 84100 89262 90828 95874 99180 113535 117450 123975 126150 136242 143811 148770 151380 153900 159790 165300 178524 189225 191748 223155 227070 234900 239685 247950 252300 272484 287622 297540 319580 340605 371925 378450 399475 431433 446310 454140 479370 495900 567675 575244 681210 719055 743850 756900 798950 862866 892620 958740 1115775 1135350 1198425 1294299 1362420 1438110 1487700 1597900 1703025 1725732 2157165 2231550 2270700 2396850 2588598 2876220 3406050 3595275 4314330 4463100 4793700 5177196 6471495 6812100 7190550 8628660 10785825 12942990 14381100 21571650 25885980 32357475 43143300 64714950 129429900
- Sum of all divisors σ(n): 457396940
- Sum of proper divisors (its aliquot sum) s(n): 327967040
- 129429900 is an abundant number, because the sum of its proper divisors (327967040) is greater than itself. Its abundance is 198537140
Bases of 129429900
- Binary: 1111011011011110001100011002
- Hexadecimal: 0x7B6F18C
- Base-36: 2524R0
Squares and roots of 129429900
- 129429900 squared (1294299002) is 16752099014010000
- 129429900 cubed (1294299003) is 2168222500173412899000000
-
The
square root of 129429900 is 11376.7262426413 -
The
cube root of 129429900 is 505.8381011729
Scales and comparisons
How big is 129429900?- 129,429,900 seconds is equal to 4 years, 6 weeks, 45 minutes.
-
To count from 1 to 129,429,900 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 129429900 cubic inches would be around 42.2 feet tall.
Recreational maths with 129429900
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