129381120
129,381,120 is an even composite number composed of five prime numbers multiplied together.
129381120 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred sixteen divisors.
Prime factorization of 129381120:
28 × 32 × 5 × 11 × 1021
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 11 × 1021)See below for interesting mathematical facts about the number 129381120 from the Numbermatics database.
Names of 129381120
- Cardinal: 129381120 can be written as One hundred twenty-nine million, three hundred eighty-one thousand, one hundred twenty.
Scientific notation
- Scientific notation: 1.2938112 × 108
Factors of 129381120
Divisors of 129381120
- Number of divisors d(n): 216
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 30 32 33 36 40 44 45 48 55 60 64 66 72 80 88 90 96 99 110 120 128 132 144 160 165 176 180 192 198 220 240 256 264 288 320 330 352 360 384 396 440 480 495 528 576 640 660 704 720 768 792 880 960 990 1021 1056 1152 1280 1320 1408 1440 1584 1760 1920 1980 2042 2112 2304 2640 2816 2880 3063 3168 3520 3840 3960 4084 4224 5105 5280 5760 6126 6336 7040 7920 8168 8448 9189 10210 10560 11231 11520 12252 12672 14080 15315 15840 16336 18378 20420 21120 22462 24504 25344 30630 31680 32672 33693 36756 40840 42240 44924 45945 49008 56155 61260 63360 65344 67386 73512 81680 89848 91890 98016 101079 112310 122520 126720 130688 134772 147024 163360 168465 179696 183780 196032 202158 224620 245040 261376 269544 294048 326720 336930 359392 367560 392064 404316 449240 490080 505395 539088 588096 653440 673860 718784 735120 784128 808632 898480 980160 1010790 1078176 1176192 1306880 1347720 1437568 1470240 1617264 1796960 1960320 2021580 2156352 2352384 2695440 2875136 2940480 3234528 3593920 3920640 4043160 4312704 5390880 5880960 6469056 7187840 8086320 8625408 10781760 11761920 12938112 14375680 16172640 21563520 25876224 32345280 43127040 64690560 129381120
- Sum of all divisors σ(n): 488818512
- Sum of proper divisors (its aliquot sum) s(n): 359437392
- 129381120 is an abundant number, because the sum of its proper divisors (359437392) is greater than itself. Its abundance is 230056272
Bases of 129381120
- Binary: 1111011011000110011000000002
- Hexadecimal: 0x7B63300
- Base-36: 251340
Squares and roots of 129381120
- 129381120 squared (1293811202) is 16739474212454400
- 129381120 cubed (1293811203) is 2165771921818468220928000
-
The
square root of 129381120 is 11374.5821901291 -
The
cube root of 129381120 is 505.7745458349
Scales and comparisons
How big is 129381120?- 129,381,120 seconds is equal to 4 years, 5 weeks, 6 days, 11 hours, 12 minutes.
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To count from 1 to 129,381,120 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 129381120 cubic inches would be around 42.1 feet tall.
Recreational maths with 129381120
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