68042520
68,042,520 is an even composite number composed of seven prime numbers multiplied together.
68042520 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 68042520:
23 × 32 × 5 × 7 × 13 × 31 × 67
(2 × 2 × 2 × 3 × 3 × 5 × 7 × 13 × 31 × 67)See below for interesting mathematical facts about the number 68042520 from the Numbermatics database.
Names of 68042520
- Cardinal: 68042520 can be written as Sixty-eight million, forty-two thousand, five hundred twenty.
Scientific notation
- Scientific notation: 6.804252 × 107
Factors of 68042520
Divisors of 68042520
- Number of divisors d(n): 384
-
Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 13 14 15 18 20 21 24 26 28 30 31 35 36 39 40 42 45 52 56 60 62 63 65 67 70 72 78 84 90 91 93 104 105 117 120 124 126 130 134 140 155 156 168 180 182 186 195 201 210 217 234 248 252 260 268 273 279 280 310 312 315 335 360 364 372 390 402 403 420 434 455 465 468 469 504 520 536 546 558 585 603 620 630 651 670 728 744 780 804 806 819 840 868 871 910 930 936 938 1005 1085 1092 1116 1170 1206 1209 1240 1260 1302 1340 1365 1395 1407 1560 1608 1612 1638 1736 1742 1820 1860 1876 1953 2010 2015 2077 2170 2184 2232 2340 2345 2412 2418 2520 2604 2613 2680 2730 2790 2814 2821 3015 3224 3255 3276 3484 3627 3640 3720 3752 3906 4020 4030 4095 4154 4221 4340 4355 4680 4690 4824 4836 5208 5226 5460 5580 5628 5642 6030 6045 6097 6231 6510 6552 6968 7035 7254 7812 7839 8040 8060 8190 8308 8442 8463 8680 8710 9380 9672 9765 10385 10452 10920 11160 11256 11284 12060 12090 12194 12462 13020 13065 14070 14105 14508 14539 15624 15678 16120 16380 16616 16884 16926 17420 18135 18291 18693 18760 19530 20770 20904 21105 22568 24120 24180 24388 24924 25389 26040 26130 27001 28140 28210 29016 29078 30485 31155 31356 32760 33768 33852 34840 36270 36582 37386 39060 39195 41540 42210 42315 43617 48360 48776 49848 50778 52260 54002 54873 56280 56420 58156 60970 62310 62712 67704 72540 72695 73164 74772 78120 78390 81003 83080 84420 84630 87234 91455 93465 101556 104520 108004 109746 112840 116312 121940 124620 126945 130851 135005 145080 145390 146328 149544 156780 162006 168840 169260 174468 182910 186930 189007 203112 216008 218085 219492 243009 243880 249240 253890 261702 270010 274365 290780 313560 324012 338520 348936 365820 373860 378014 405015 436170 438984 486018 507780 523404 540020 548730 567021 581560 648024 654255 731640 747720 756028 810030 872340 945035 972036 1015560 1046808 1080040 1097460 1134042 1215045 1308510 1512056 1620060 1701063 1744680 1890070 1944072 2194920 2268084 2430090 2617020 2835105 3240120 3402126 3780140 4536168 4860180 5234040 5670210 6804252 7560280 8505315 9720360 11340420 13608504 17010630 22680840 34021260 68042520
- Sum of all divisors σ(n): 285143040
- Sum of proper divisors (its aliquot sum) s(n): 217100520
- 68042520 is an abundant number, because the sum of its proper divisors (217100520) is greater than itself. Its abundance is 149058000
Bases of 68042520
- Binary: 1000000111000111111000110002
- Hexadecimal: 0x40E3F18
- Base-36: 14IDY0
Squares and roots of 68042520
- 68042520 squared (680425202) is 4629784527950400
- 68042520 cubed (680425203) is 315022206338755651008000
-
The
square root of 68042520 is 8248.7890020295 -
The
cube root of 68042520 is 408.2505669631
Scales and comparisons
How big is 68042520?- 68,042,520 seconds is equal to 2 years, 8 weeks, 3 days, 12 hours, 42 minutes.
-
To count from 1 to 68,042,520 would take you about three 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 68042520 cubic inches would be around 34 feet tall.
Recreational maths with 68042520
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