12888720
12,888,720 is an even composite number composed of five prime numbers multiplied together.
12888720 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred eighty divisors.
Prime factorization of 12888720:
24 × 36 × 5 × 13 × 17
(2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 3 × 5 × 13 × 17)See below for interesting mathematical facts about the number 12888720 from the Numbermatics database.
Names of 12888720
- Cardinal: 12888720 can be written as Twelve million, eight hundred eighty-eight thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 1.288872 × 107
Factors of 12888720
Divisors of 12888720
- Number of divisors d(n): 280
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 13 15 16 17 18 20 24 26 27 30 34 36 39 40 45 48 51 52 54 60 65 68 72 78 80 81 85 90 102 104 108 117 120 130 135 136 144 153 156 162 170 180 195 204 208 216 221 234 240 243 255 260 270 272 306 312 324 340 351 360 390 405 408 432 442 459 468 486 510 520 540 585 612 624 648 663 680 702 720 729 765 780 810 816 884 918 936 972 1020 1040 1053 1080 1105 1170 1215 1224 1296 1326 1360 1377 1404 1458 1530 1560 1620 1755 1768 1836 1872 1944 1989 2040 2106 2160 2210 2295 2340 2430 2448 2652 2754 2808 2916 3060 3120 3159 3240 3315 3510 3536 3645 3672 3888 3978 4080 4131 4212 4420 4590 4680 4860 5265 5304 5508 5616 5832 5967 6120 6318 6480 6630 6885 7020 7290 7344 7956 8262 8424 8840 9180 9360 9477 9720 9945 10530 10608 11016 11664 11934 12240 12393 12636 13260 13770 14040 14580 15795 15912 16524 16848 17680 17901 18360 18954 19440 19890 20655 21060 22032 23868 24786 25272 26520 27540 28080 29160 29835 31590 31824 33048 35802 36720 37908 39780 41310 42120 47385 47736 49572 50544 53040 53703 55080 58320 59670 61965 63180 66096 71604 75816 79560 82620 84240 89505 94770 95472 99144 107406 110160 119340 123930 126360 143208 151632 159120 161109 165240 179010 189540 198288 214812 238680 247860 252720 268515 286416 322218 330480 358020 379080 429624 477360 495720 537030 644436 716040 758160 805545 859248 991440 1074060 1288872 1432080 1611090 2148120 2577744 3222180 4296240 6444360 12888720
- Sum of all divisors σ(n): 51231096
- Sum of proper divisors (its aliquot sum) s(n): 38342376
- 12888720 is an abundant number, because the sum of its proper divisors (38342376) is greater than itself. Its abundance is 25453656
Bases of 12888720
- Binary: 1100010010101010100100002
- Hexadecimal: 0xC4AA90
- Base-36: 7O900
Squares and roots of 12888720
- 12888720 squared (128887202) is 166119103238400
- 12888720 cubed (128887203) is 2141062608290830848000
-
The
square root of 12888720 is 3590.0863499363 -
The
cube root of 12888720 is 234.4606311101
Scales and comparisons
How big is 12888720?- 12,888,720 seconds is equal to 21 weeks, 2 days, 4 hours, 12 minutes.
-
To count from 1 to 12,888,720 would take you about thirty-one 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 12888720 cubic inches would be around 19.5 feet tall.
Recreational maths with 12888720
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