129386400
129,386,400 is an even composite number composed of six prime numbers multiplied together.
129386400 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of four hundred thirty-two divisors.
Prime factorization of 129386400:
25 × 3 × 52 × 11 × 132 × 29
(2 × 2 × 2 × 2 × 2 × 3 × 5 × 5 × 11 × 13 × 13 × 29)See below for interesting mathematical facts about the number 129386400 from the Numbermatics database.
Names of 129386400
- Cardinal: 129386400 can be written as One hundred twenty-nine million, three hundred eighty-six thousand, four hundred.
Scientific notation
- Scientific notation: 1.293864 × 108
Factors of 129386400
Divisors of 129386400
- Number of divisors d(n): 432
-
Complete list of divisors:
1 2 3 4 5 6 8 10 11 12 13 15 16 20 22 24 25 26 29 30 32 33 39 40 44 48 50 52 55 58 60 65 66 75 78 80 87 88 96 100 104 110 116 120 130 132 143 145 150 156 160 165 169 174 176 195 200 208 220 232 240 260 264 275 286 290 300 312 319 325 330 338 348 352 377 390 400 416 429 435 440 464 480 507 520 528 550 572 580 600 624 638 650 660 676 696 715 725 754 780 800 825 845 858 870 880 928 957 975 1014 1040 1056 1100 1131 1144 1160 1200 1248 1276 1300 1320 1352 1392 1430 1450 1508 1560 1595 1650 1690 1716 1740 1760 1859 1885 1914 1950 2028 2080 2145 2175 2200 2262 2288 2320 2400 2535 2552 2600 2640 2704 2784 2860 2900 3016 3120 3190 3300 3380 3432 3480 3575 3718 3770 3828 3900 4056 4147 4225 4290 4350 4400 4524 4576 4640 4785 4901 5070 5104 5200 5280 5408 5577 5655 5720 5800 6032 6240 6380 6600 6760 6864 6960 7150 7436 7540 7656 7800 7975 8112 8294 8450 8580 8700 8800 9048 9295 9425 9570 9802 10140 10208 10400 10725 11154 11310 11440 11600 12064 12441 12675 12760 13200 13520 13728 13920 14300 14703 14872 15080 15312 15600 15950 16224 16588 16900 17160 17400 18096 18590 18850 19140 19604 20280 20735 21450 22308 22620 22880 23200 23925 24505 24882 25350 25520 26400 27040 27885 28275 28600 29406 29744 30160 30624 31200 31900 33176 33800 34320 34800 36192 37180 37700 38280 39208 40560 41470 42900 44616 45240 46475 47850 49010 49764 50700 51040 53911 55770 56550 57200 58812 59488 60320 62205 63800 66352 67600 68640 69600 73515 74360 75400 76560 78416 81120 82940 85800 89232 90480 92950 95700 98020 99528 101400 103675 107822 111540 113100 114400 117624 122525 124410 127600 132704 135200 139425 147030 148720 150800 153120 156832 161733 165880 171600 178464 180960 185900 191400 196040 199056 202800 207350 215644 223080 226200 235248 245050 248820 255200 269555 278850 294060 297440 301600 311025 323466 331760 343200 367575 371800 382800 392080 398112 405600 414700 431288 446160 452400 470496 490100 497640 539110 557700 588120 622050 646932 663520 735150 743600 765600 784160 808665 829400 862576 892320 904800 980200 995280 1078220 1115400 1176240 1244100 1293864 1347775 1470300 1487200 1617330 1658800 1725152 1960400 1990560 2156440 2230800 2352480 2488200 2587728 2695550 2940600 3234660 3317600 3920800 4043325 4312880 4461600 4976400 5175456 5391100 5881200 6469320 8086650 8625760 9952800 10782200 11762400 12938640 16173300 21564400 25877280 32346600 43128800 64693200 129386400
- Sum of all divisors σ(n): 514654560
- Sum of proper divisors (its aliquot sum) s(n): 385268160
- 129386400 is an abundant number, because the sum of its proper divisors (385268160) is greater than itself. Its abundance is 255881760
Bases of 129386400
- Binary: 1111011011001000111101000002
- Hexadecimal: 0x7B647A0
- Base-36: 25176O
Squares and roots of 129386400
- 129386400 squared (1293864002) is 16740840504960000
- 129386400 cubed (1293864003) is 2166037085910956544000000
-
The
square root of 129386400 is 11374.8142841983 -
The
cube root of 129386400 is 505.7814259043
Scales and comparisons
How big is 129386400?- 129,386,400 seconds is equal to 4 years, 5 weeks, 6 days, 12 hours, 40 minutes.
-
To count from 1 to 129,386,400 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 129386400 cubic inches would be around 42.1 feet tall.
Recreational maths with 129386400
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