129389400
129,389,400 is an even composite number composed of five prime numbers multiplied together.
129389400 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred sixty divisors.
Prime factorization of 129389400:
23 × 34 × 52 × 72 × 163
(2 × 2 × 2 × 3 × 3 × 3 × 3 × 5 × 5 × 7 × 7 × 163)See below for interesting mathematical facts about the number 129389400 from the Numbermatics database.
Names of 129389400
- Cardinal: 129389400 can be written as One hundred twenty-nine million, three hundred eighty-nine thousand, four hundred.
Scientific notation
- Scientific notation: 1.293894 × 108
Factors of 129389400
Divisors of 129389400
- Number of divisors d(n): 360
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Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 24 25 27 28 30 35 36 40 42 45 49 50 54 56 60 63 70 72 75 81 84 90 98 100 105 108 120 126 135 140 147 150 162 163 168 175 180 189 196 200 210 216 225 245 252 270 280 294 300 315 324 326 350 360 378 392 405 420 441 450 489 490 504 525 540 567 588 600 630 648 652 675 700 735 756 810 815 840 882 900 945 978 980 1050 1080 1134 1141 1176 1225 1260 1304 1323 1350 1400 1467 1470 1512 1575 1620 1630 1764 1800 1890 1956 1960 2025 2100 2205 2268 2282 2445 2450 2520 2646 2700 2835 2934 2940 3150 3240 3260 3423 3528 3675 3780 3912 3969 4050 4075 4200 4401 4410 4536 4564 4725 4890 4900 5292 5400 5670 5705 5868 5880 6300 6520 6615 6846 7335 7350 7560 7938 7987 8100 8150 8802 8820 9128 9450 9780 9800 10269 10584 11025 11340 11410 11736 12225 12600 13203 13230 13692 14175 14670 14700 15876 15974 16200 16300 17115 17604 17640 18900 19560 19845 20538 22005 22050 22680 22820 23961 24450 26406 26460 27384 28350 28525 29340 29400 30807 31752 31948 32600 33075 34230 35208 36675 37800 39690 39935 41076 44010 44100 45640 47922 48900 51345 52812 52920 56700 57050 58680 61614 63896 66015 66150 68460 71883 73350 79380 79870 82152 85575 88020 88200 92421 95844 97800 99225 102690 105624 110025 113400 114100 119805 123228 132030 132300 136920 143766 146700 154035 158760 159740 171150 176040 184842 191688 198450 199675 205380 215649 220050 228200 239610 246456 256725 264060 264600 287532 293400 308070 319480 330075 342300 359415 369684 396900 399350 410760 431298 440100 462105 479220 513450 528120 575064 599025 616140 646947 660150 684600 718830 739368 770175 793800 798700 862596 880200 924210 958440 1026900 1078245 1198050 1232280 1293894 1320300 1437660 1540350 1597400 1725192 1797075 1848420 2053800 2156490 2310525 2396100 2587788 2640600 2875320 3080700 3234735 3594150 3696840 4312980 4621050 4792200 5175576 5391225 6161400 6469470 7188300 8625960 9242100 10782450 12938940 14376600 16173675 18484200 21564900 25877880 32347350 43129800 64694700 129389400
- Sum of all divisors σ(n): 525965220
- Sum of proper divisors (its aliquot sum) s(n): 396575820
- 129389400 is an abundant number, because the sum of its proper divisors (396575820) is greater than itself. Its abundance is 267186420
Bases of 129389400
- Binary: 1111011011001010011010110002
- Hexadecimal: 0x7B65358
- Base-36: 2519I0
Squares and roots of 129389400
- 129389400 squared (1293894002) is 16741616832360000
- 129389400 cubed (1293894003) is 2166187756968960984000000
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The
square root of 129389400 is 11374.9461537187 -
The
cube root of 129389400 is 505.7853349513
Scales and comparisons
How big is 129389400?- 129,389,400 seconds is equal to 4 years, 5 weeks, 6 days, 13 hours, 30 minutes.
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To count from 1 to 129,389,400 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 129389400 cubic inches would be around 42.1 feet tall.
Recreational maths with 129389400
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