28391238720
28,391,238,720 is an even composite number composed of six prime numbers multiplied together.
28391238720 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of five hundred sixty divisors.
Prime factorization of 28391238720:
26 × 34 × 5 × 13 × 109 × 773
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 5 × 13 × 109 × 773)See below for interesting mathematical facts about the number 28391238720 from the Numbermatics database.
Names of 28391238720
- Cardinal: 28391238720 can be written as Twenty-eight billion, three hundred ninety-one million, two hundred thirty-eight thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 2.839123872 × 1010
Factors of 28391238720
Divisors of 28391238720
- Number of divisors d(n): 560
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 27 30 32 36 39 40 45 48 52 54 60 64 65 72 78 80 81 90 96 104 108 109 117 120 130 135 144 156 160 162 180 192 195 208 216 218 234 240 260 270 288 312 320 324 327 351 360 390 405 416 432 436 468 480 520 540 545 576 585 624 648 654 702 720 773 780 810 832 864 872 936 960 981 1040 1053 1080 1090 1170 1248 1296 1308 1404 1417 1440 1546 1560 1620 1635 1728 1744 1755 1872 1962 2080 2106 2160 2180 2319 2340 2496 2592 2616 2808 2834 2880 2943 3092 3120 3240 3270 3488 3510 3744 3865 3924 4160 4212 4251 4320 4360 4638 4680 4905 5184 5232 5265 5616 5668 5886 6184 6240 6480 6540 6957 6976 7020 7085 7488 7730 7848 8424 8502 8640 8720 8829 9276 9360 9810 10049 10464 10530 11232 11336 11595 11772 12368 12480 12753 12960 13080 13914 14040 14170 14715 15460 15696 16848 17004 17440 17658 18552 18720 19620 20098 20871 20928 21060 21255 22464 22672 23190 23544 24736 25506 25920 26160 27828 28080 28340 29430 30147 30920 31392 33696 34008 34785 34880 35316 37104 37440 38259 39240 40196 41742 42120 42510 44145 45344 46380 47088 49472 50245 51012 52320 55656 56160 56680 58860 60294 61840 62613 62784 63765 67392 68016 69570 70632 74208 76518 78480 80392 83484 84240 84257 85020 88290 90441 90688 92760 94176 100490 102024 104355 104640 111312 112320 113360 114777 117720 120588 123680 125226 127530 136032 139140 141264 148416 150735 153036 156960 160784 166968 168480 168514 170040 176580 180882 185520 188352 191295 200980 204048 208710 222624 226720 229554 235440 241176 247360 250452 252771 255060 271323 272064 278280 282528 301470 306072 313065 313920 321568 333936 336960 337028 340080 353160 361764 371040 382590 401960 408096 417420 421285 445248 452205 453440 459108 470880 482352 500904 505542 510120 542646 556560 565056 573885 602940 612144 626130 643136 667872 674056 680160 706320 723528 742080 758313 765180 803920 813969 816192 834840 842570 904410 918216 941760 964704 1001808 1011084 1020240 1085292 1095341 1113120 1147770 1205880 1224288 1252260 1263855 1335744 1348112 1356615 1360320 1412640 1447056 1516626 1530360 1607840 1627938 1669680 1685140 1808820 1836432 1929408 2003616 2022168 2040480 2170584 2190682 2226240 2274939 2295540 2411760 2448576 2504520 2527710 2696224 2713230 2825280 2894112 3033252 3060720 3215680 3255876 3286023 3339360 3370280 3617640 3672864 3791565 4007232 4044336 4069845 4080960 4341168 4381364 4549878 4591080 4823520 5009040 5055420 5392448 5426460 5476705 5788224 6066504 6121440 6511752 6572046 6678720 6740560 6824817 7235280 7345728 7583130 8088672 8139690 8682336 8762728 9099756 9182160 9647040 9858069 10018080 10110840 10852920 10953410 11374695 12133008 12242880 13023504 13144092 13481120 13649634 14470560 15166260 16177344 16279380 16430115 17364672 17525456 18199512 18364320 19716138 20036160 20221680 21705840 21906820 22749390 24266016 26047008 26288184 26962240 27299268 28941120 29574207 30332520 32558760 32860230 34124085 35050912 36399024 36728640 39432276 40443360 43411680 43813640 45498780 48532032 49290345 52094016 52576368 54598536 59148414 60665040 65117520 65720460 68248170 70101824 72798048 78864552 80886720 86823360 87627280 88722621 90997560 98580690 105152736 109197072 118296828 121330080 130235040 131440920 136496340 145596096 147871035 157729104 175254560 177445242 181995120 197161380 210305472 218394144 236593656 242660160 260470080 262881840 272992680 295742070 315458208 350509120 354890484 363990240 394322760 436788288 443613105 473187312 525763680 545985360 591484140 630916416 709780968 727980480 788645520 887226210 946374624 1051527360 1091970720 1182968280 1419561936 1577291040 1774452420 1892749248 2183941440 2365936560 2839123872 3154582080 3548904840 4731873120 5678247744 7097809680 9463746240 14195619360 28391238720
- Sum of all divisors σ(n): 109901095920
- Sum of proper divisors (its aliquot sum) s(n): 81509857200
- 28391238720 is an abundant number, because the sum of its proper divisors (81509857200) is greater than itself. Its abundance is 53118618480
Bases of 28391238720
- Binary: 110100111000011111111101100010000002
- Hexadecimal: 0x69C3FEC40
- Base-36: D1JES00
Squares and roots of 28391238720
- 28391238720 squared (283912387202) is 806062436056027238400
- 28391238720 cubed (283912387203) is 22885111045291404620236750848000
-
The
square root of 28391238720 is 168496.9991424179 -
The
cube root of 28391238720 is 3050.6668333245
Scales and comparisons
How big is 28391238720?- 28,391,238,720 seconds is equal to 902 years, 39 weeks, 1 day, 7 hours, 12 minutes.
-
To count from 1 to 28,391,238,720 would take you about one thousand, eight hundred five 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 28391238720 cubic inches would be around 254.2 feet tall.
Recreational maths with 28391238720
- 28391238720 backwards is 02783219382
- 28391238720 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 28391238720's digits is 45
- More coming soon!
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The information we have on file for 28391238720 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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