28239120
28,239,120 is an even composite number composed of six prime numbers multiplied together.
28239120 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred forty divisors.
Prime factorization of 28239120:
24 × 32 × 5 × 7 × 13 × 431
(2 × 2 × 2 × 2 × 3 × 3 × 5 × 7 × 13 × 431)See below for interesting mathematical facts about the number 28239120 from the Numbermatics database.
Names of 28239120
- Cardinal: 28239120 can be written as Twenty-eight million, two hundred thirty-nine thousand, one hundred twenty.
Scientific notation
- Scientific notation: 2.823912 × 107
Factors of 28239120
Divisors of 28239120
- Number of divisors d(n): 240
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Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 18 20 21 24 26 28 30 35 36 39 40 42 45 48 52 56 60 63 65 70 72 78 80 84 90 91 104 105 112 117 120 126 130 140 144 156 168 180 182 195 208 210 234 240 252 260 273 280 312 315 336 360 364 390 420 431 455 468 504 520 546 560 585 624 630 720 728 780 819 840 862 910 936 1008 1040 1092 1170 1260 1293 1365 1456 1560 1638 1680 1724 1820 1872 2155 2184 2340 2520 2586 2730 3017 3120 3276 3448 3640 3879 4095 4310 4368 4680 5040 5172 5460 5603 6034 6465 6552 6896 7280 7758 8190 8620 9051 9360 10344 10920 11206 12068 12930 13104 15085 15516 16380 16809 17240 18102 19395 20688 21840 22412 24136 25860 27153 28015 30170 31032 32760 33618 34480 36204 38790 39221 44824 45255 48272 50427 51720 54306 56030 60340 62064 65520 67236 72408 77580 78442 84045 89648 90510 100854 103440 108612 112060 117663 120680 134472 135765 144816 155160 156884 168090 181020 196105 201708 217224 224120 235326 241360 252135 268944 271530 310320 313768 336180 352989 362040 392210 403416 434448 448240 470652 504270 543060 588315 627536 672360 705978 724080 784420 806832 941304 1008540 1086120 1176630 1344720 1411956 1568840 1764945 1882608 2017080 2172240 2353260 2823912 3137680 3529890 4034160 4706520 5647824 7059780 9413040 14119560 28239120
- Sum of all divisors σ(n): 116992512
- Sum of proper divisors (its aliquot sum) s(n): 88753392
- 28239120 is an abundant number, because the sum of its proper divisors (88753392) is greater than itself. Its abundance is 60514272
Bases of 28239120
- Binary: 11010111011100101000100002
- Hexadecimal: 0x1AEE510
- Base-36: GT9G0
Squares and roots of 28239120
- 28239120 squared (282391202) is 797447898374400
- 28239120 cubed (282391203) is 22519226895942486528000
-
The
square root of 28239120 is 5314.0493034973 -
The
cube root of 28239120 is 304.5208637535
Scales and comparisons
How big is 28239120?- 28,239,120 seconds is equal to 46 weeks, 4 days, 20 hours, 12 minutes.
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To count from 1 to 28,239,120 would take you about eighteen weeks!
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 28239120 cubic inches would be around 25.4 feet tall.
Recreational maths with 28239120
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