28739668320

Names of 28739668320

• Cardinal: 28739668320 can be written as Twenty-eight billion, seven hundred thirty-nine million, six hundred sixty-eight thousand, three hundred twenty.

Scientific notation

• Scientific notation: 2.873966832 × 10¹⁰

Factors of 28739668320

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 211

Divisors of 28739668320

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 27 30 32 33 36 40 41 44 45 48 54 55 60 66 72 80 81 82 88 90 96 99 108 110 120 121 123 132 135 144 149 160 162 164 165 176 180 198 205 216 220 240 242 243 246 264 270 288 297 298 324 328 330 352 360 363 369 396 405 410 432 440 447 451 480 484 486 492 495 528 540 594 596 605 615 648 656 660 720 726 738 745 792 810 820 864 880 891 894 902 968 972 984 990 1056 1080 1089 1107 1188 1192 1210 1215 1230 1296 1312 1320 1341 1353 1440 1452 1476 1485 1490 1584 1620 1639 1640 1760 1782 1788 1804 1815 1845 1936 1944 1968 1980 2160 2178 2214 2235 2255 2376 2384 2420 2430 2460 2592 2640 2673 2682 2706 2904 2952 2970 2980 3168 3240 3267 3278 3280 3321 3564 3576 3608 3630 3690 3872 3888 3936 3960 4023 4059 4320 4356 4428 4455 4470 4510 4752 4768 4840 4860 4917 4920 4961 5280 5346 5364 5412 5445 5535 5808 5904 5940 5960 6109 6480 6534 6556 6560 6642 6705 6765 7128 7152 7216 7260 7380 7776 7920 8046 8118 8195 8712 8856 8910 8940 9020 9504 9680 9720 9801 9834 9840 9922 9963 10692 10728 10824 10890 11070 11616 11808 11880 11920 12069 12177 12218 12960 13068 13112 13284 13365 13410 13530 14256 14304 14432 14520 14751 14760 14883 15840 16092 16236 16335 16390 16605 17424 17712 17820 17880 18029 18040 18327 19360 19440 19602 19668 19680 19844 19926 20115 20295 21384 21456 21648 21780 22140 23760 23840 24138 24354 24436 24585 24805 26136 26224 26568 26730 26820 27060 28512 29040 29403 29502 29520 29766 30545 32184 32472 32670 32780 33210 34848 35424 35640 35760 36058 36080 36207 36531 36654 38880 39204 39336 39688 39852 40230 40590 42768 42912 43296 43560 44253 44280 44649 47520 48276 48708 48872 49005 49170 49610 49815 52272 52448 53136 53460 53640 54087 54120 54981 58080 58806 59004 59040 59532 60345 60885 61090 64368 64944 65340 65560 66420 67199 71280 71520 72116 72160 72414 73062 73308 73755 74415 78408 78672 79376 79704 80460 81180 85536 87120 88506 88560 89298 90145 91635 96552 97416 97744 98010 98340 99220 99630 104544 106272 106920 107280 108174 108240 109593 109962 117612 118008 119064 120690 121770 122180 128736 129888 130680 131120 132759 132840 133947 134398 142560 144232 144828 146124 146616 147015 147510 148830 156816 157344 158752 159408 160920 162261 162360 164943 174240 177012 177120 178596 180290 181035 182655 183270 193104 194832 195488 196020 196680 198440 199260 201597 213840 214560 216348 216480 219186 219924 221265 223245 235224 236016 238128 241380 243540 244360 261360 262240 265518 265680 267894 268796 270435 274905 288464 289656 292248 293232 294030 295020 297660 313632 318816 321840 324522 324720 329886 335995 354024 357192 360580 362070 365310 366540 386208 389664 392040 393360 396880 398277 398520 401841 403194 427680 432696 438372 439848 442530 446490 470448 472032 476256 482760 486783 487080 488720 494829 522720 531036 531360 535788 537592 540870 547965 549810 576928 579312 584496 586464 588060 590040 595320 604791 643680 649044 649440 659772 663795 669735 671990 708048 714384 721160 724140 730620 733080 739189 784080 786720 793760 796554 797040 803682 806388 811305 824715 865392 876744 879696 885060 892980 940896 965520 973566 974160 977440 989658 1007985 1062072 1071576 1075184 1081740 1095930 1099620 1158624 1168992 1176120 1180080 1190640 1205523 1209582 1298088 1319544 1327590 1339470 1343980 1416096 1428768 1442320 1448280 1460349 1461240 1466160 1478378 1484487 1568160 1593108 1594080 1607364 1612776 1622610 1649430 1730784 1753488 1759392 1770120 1785960 1814373 1931040 1947132 1948320 1979316 1991385 2009205 2015970 2124144 2143152 2150368 2163480 2191860 2199240 2217567 2352240 2360160 2381280 2411046 2419164 2433915 2474145 2596176 2639088 2655180 2678940 2687960 2884640 2896560 2920698 2922480 2932320 2956756 2968974 3023955 3186216 3214728 3225552 3245220 3298860 3506976 3540240 3571920 3628746 3695945 3894264 3958632 3982770 4018410 4031940 4248288 4286304 4326960 4381047 4383720 4398480 4435134 4704480 4822092 4838328 4867830 4948290 5192352 5278176 5310360 5357880 5375920 5443119 5793120 5841396 5844960 5913512 5937948 6027615 6047910 6372432 6429456 6451104 6490440 6597720 6652701 7080480 7143840 7257492 7301745 7391890 7422435 7788528 7917264 7965540 8036820 8063880 8653920 8762094 8767440 8796960 8870268 9071865 9644184 9676656 9735660 9896580 10620720 10715760 10751840 10886238 11087835 11682792 11827024 11875896 12055230 12095820 12744864 12858912 12980880 13195440 13305402 14514984 14603490 14783780 14844870 15577056 15834528 15931080 16073640 16127760 16329357 17524188 17534880 17740536 18143730 19288368 19353312 19471320 19793160 19958103 21241440 21431520 21772476 21905235 22175670 23365584 23654048 23751792 24110460 24191640 25961760 26390880 26610804 27215595 29029968 29206980 29567560 29689740 31862160 32147280 32255520 32658714 33263505 35048376 35481072 36287460 38576736 38942640 39586320 39916206 43544952 43810470 44351340 46731168 47503584 48220920 48383280 53221608 54431190 58059936 58413960 59135120 59379480 59874309 63724320 64294560 65317428 66527010 70096752 70962144 72574920 77885280 79172640 79832412 81646785 87089904 87620940 88702680 96441840 96766560 99790515 106443216 108862380 116827920 118270240 118758960 119748618 130634856 133054020 140193504 145149840 159664824 163293570 174179808 175241880 177405360 179622927 192883680 199581030 212886432 217724760 233655840 237517920 239497236 261269712 266108040 290299680 299371545 319329648 326587140 350483760 354810720 359245854 399162060 435449520 478994472 522539424 532216080 598743090 638659296 653174280 700967520 718491708 798324120 870899040 898114635 957988944 1064432160 1197486180 1306348560 1436983416 1596648240 1796229270 1915977888 2394972360 2612697120 2873966832 3193296480 3592458540 4789944720 5747933664 7184917080 9579889440 14369834160 28739668320
• Sum of all divisors σ(n): 115288336800
• Sum of proper divisors (its aliquot sum) s(n): 86548668480
• 28739668320 is an abundant number, because the sum of its proper divisors (86548668480) is greater than itself. Its abundance is 57809000160

Bases of 28739668320

• Binary: 11010110001000001001000100101100000₂
• Hexadecimal: 0x6B1048960
• Base-36: D7AUU00

Squares and roots of 28739668320

• 28739668320 squared (28739668320²) is 825968535143611622400
• 28739668320 cubed (28739668320³) is 23738061742783661594673082368000
• The square root of 28739668320 is 169527.7803783203
• The cube root of 28739668320 is 3063.0958288043

Scales and comparisons

• 28,739,668,320 seconds is equal to 913 years, 43 weeks, 2 days, 1 hour, 12 minutes.
• To count from 1 to 28,739,668,320 would take you about one thousand, eight hundred twenty-seven 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 28739668320 cubic inches would be around 255.3 feet tall.

Recreational maths with 28739668320

• 28739668320 backwards is 02386693782
• 28739668320 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28739668320's digits is 54
• More coming soon!