28720469920320

Names of 28720469920320

• Cardinal: 28720469920320 can be written as Twenty-eight trillion, seven hundred twenty billion, four hundred sixty-nine million, nine hundred twenty thousand, three hundred twenty.

Scientific notation

• Scientific notation: 2.872046992032 × 10¹³

Factors of 28720469920320

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 260

Divisors of 28720469920320

• Number of divisors d(n): 924
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 72 80 81 90 96 101 108 120 135 144 149 160 162 180 192 202 216 240 243 270 288 298 303 320 324 360 404 405 432 447 480 486 505 540 576 596 606 648 720 729 745 808 810 864 894 909 960 972 1010 1080 1192 1212 1215 1296 1341 1440 1458 1490 1515 1616 1620 1728 1788 1818 1944 2020 2160 2187 2235 2384 2424 2430 2592 2682 2727 2880 2916 2980 3030 3232 3240 3576 3636 3645 3888 4023 4040 4320 4374 4470 4545 4768 4848 4860 5184 5364 5454 5832 5960 6060 6464 6480 6561 6705 7152 7272 7290 7776 8046 8080 8181 8640 8748 8940 9090 9536 9696 9720 10201 10728 10908 10935 11664 11920 12069 12120 12960 13122 13410 13635 14304 14544 14580 15049 15552 16092 16160 16362 17496 17880 18180 19392 19440 19683 20115 20402 21456 21816 21870 23328 23840 24138 24240 24543 25920 26244 26820 27270 28608 29088 29160 30098 30603 32184 32320 32724 32805 34992 35760 36207 36360 38880 39366 40230 40804 40905 42912 43632 43740 45147 46656 47680 48276 48480 49086 51005 52488 53640 54540 58176 58320 59049 60196 60345 61206 64368 65448 65610 69984 71520 72414 72720 73629 75245 77760 78732 80460 81608 81810 85824 87264 87480 90294 91809 96552 96960 98172 98415 102010 104976 107280 108621 109080 116640 118098 120392 120690 122412 122715 128736 130896 131220 135441 139968 143040 144828 145440 147258 150490 153015 157464 160920 163216 163620 174528 174960 180588 181035 183618 193104 196344 196830 204020 209952 214560 217242 218160 220887 225735 233280 236196 240784 241380 244824 245430 257472 261792 262440 270882 275427 289656 290880 294516 295245 300980 306030 314928 321840 325863 326432 327240 349920 361176 362070 367236 368145 386208 392688 393660 406323 408040 419904 429120 434484 436320 441774 451470 459045 472392 481568 482760 489648 490860 523584 524880 541764 543105 550854 579312 589032 590490 601960 612060 629856 643680 651726 652864 654480 662661 677205 699840 722352 724140 734472 736290 772416 785376 787320 812646 816080 826281 868968 872640 883548 902940 918090 944784 963136 965520 977589 979296 981720 1049760 1083528 1086210 1101708 1104435 1158624 1178064 1180980 1203920 1218969 1224120 1259712 1287360 1303452 1308960 1325322 1354410 1377135 1444704 1448280 1468944 1472580 1519949 1570752 1574640 1625292 1629315 1632160 1652562 1737936 1767096 1805880 1836180 1889568 1931040 1955178 1958592 1963440 1987983 2031615 2099520 2167056 2172420 2203416 2208870 2317248 2356128 2361960 2407840 2437938 2448240 2478843 2606904 2617920 2650644 2708820 2754270 2889408 2896560 2932767 2937888 2945160 3039898 3149280 3250584 3258630 3264320 3305124 3313305 3475872 3534192 3611760 3656907 3672360 3779136 3862080 3910356 3926880 3975966 4063230 4131405 4334112 4344840 4406832 4417740 4559847 4712256 4723920 4815680 4875876 4887945 4896480 4957686 5213808 5301288 5417640 5508540 5793120 5865534 5875776 5890320 5963949 6079796 6094845 6298560 6501168 6517260 6610248 6626610 6951744 7068384 7223520 7313814 7344720 7436529 7599745 7820712 7853760 7951932 8126460 8262810 8668224 8689680 8798301 8813664 8835480 9119694 9447840 9751752 9775890 9792960 9915372 9939915 10427616 10602576 10835280 10970721 11017080 11586240 11731068 11780640 11927898 12159592 12189690 12394215 13002336 13034520 13220496 13253220 13679541 14136768 14447040 14627628 14663835 14689440 14873058 15199490 15641424 15903864 16252920 16525620 17379360 17596602 17627328 17670960 18239388 18284535 18895680 19503504 19551780 19830744 19879830 20855232 21205152 21670560 21941442 22034160 22309587 22799235 23462136 23561280 23855796 24319184 24379380 24788430 26004672 26069040 26440992 26506440 27359082 29255256 29327670 29378880 29746116 29819745 30398980 31282848 31807728 32505840 32912163 33051240 34758720 35193204 35341920 36478776 36569070 37182645 39007008 39103560 39661488 39759660 41038623 42410304 43341120 43882884 43991505 44068320 44619174 45598470 46924272 47711592 48638368 48758760 49576860 52138080 52881984 53012880 54718164 54853605 58510512 58655340 59492232 59639490 60797960 62565696 63615456 65011680 65824326 66102480 66928761 68397705 70386408 70683840 72957552 73138140 74365290 78014016 78207120 79322976 79519320 82077246 87765768 87983010 88136640 89238348 91196940 93848544 95423184 97276736 97517520 98736489 99153720 104276160 106025760 109436328 109707210 111547935 117021024 117310680 118984464 119278980 121595920 123115869 127230912 130023360 131648652 132204960 133857522 136795410 140772816 145915104 146276280 148730580 156414240 158645952 159038640 164154492 164560815 175531536 175966020 178476696 182393880 187697088 190846368 195035040 197472978 198307440 200786283 205193115 212051520 218872656 219414420 223095870 234042048 234621360 237968928 238557960 243191840 246231738 263297304 264409920 267715044 273590820 281545632 291830208 292552560 296209467 297461160 312828480 318077280 328308984 329121630 334643805 351063072 351932040 356953392 364787760 369347607 381692736 390070080 394945956 396614880 401572566 410386230 437745312 438828840 446191740 469242720 475937856 477115920 486383680 492463476 493682445 526594608 535430088 547181640 563091264 585105120 592418934 594922320 602358849 615579345 636154560 656617968 658243260 669287610 702126144 703864080 713906784 729575520 738695214 789891912 793229760 803145132 820772460 875490624 877657680 888628401 892383480 938485440 954231840 984926952 987364890 1003931415 1053189216 1070860176 1094363280 1108042821 1170210240 1184837868 1189844640 1204717698 1231158690 1313235936 1316486520 1338575220 1407728160 1427813568 1459151040 1477390428 1481047335 1579783824 1606290264 1641544920 1755315360 1777256802 1784766960 1846738035 1908463680 1969853904 1974729780 2007862830 2106378432 2141720352 2188726560 2216085642 2369675736 2379689280 2409435396 2462317380 2626471872 2632973040 2677150440 2815456320 2954780856 2962094670 3011794245 3159567648 3212580528 3283089840 3324128463 3510630720 3554513604 3569533920 3693476070 3939707808 3949459560 4015725660 4283440704 4377453120 4432171284 4443142005 4739351472 4818870792 4924634760 5265946080 5354300880 5540214105 5909561712 5924189340 6023588490 6319135296 6425161056 6566179680 6648256926 7109027208 7139067840 7386952140 7879415616 7898919120 8031451320 8864342568 8886284010 9478702944 9637741584 9849269520 9972385389 10531892160 10708601760 11080428210 11819123424 11848378680 12047176980 12850322112 13132359360 13296513852 14218054416 14773904280 15797838240 16062902640 16620642315 17728685136 17772568020 18957405888 19275483168 19698539040 19944770778 21417203520 22160856420 23638246848 23696757360 24094353960 26593027704 28436108832 29547808560 29917156167 31595676480 32125805280 33241284630 35457370272 35545136040 38550966336 39397078080 39889541556 44321712840 47393514720 48188707920 49861926945 53186055408 56872217664 59095617120 59834312334 64251610560 66482569260 70914740544 71090272080 79779083112 88643425680 89751468501 94787029440 96377415840 99723853890 106372110816 118191234240 119668624668 132965138520 142180544160 149585780835 159558166224 177286851360 179502937002 192754831680 199447707780 212744221632 239337249336 265930277040 284361088320 299171561670 319116332448 354573702720 359005874004 398895415560 448757342505 478674498672 531860554080 598343123340 638232664896 718011748008 797790831120 897514685010 957348997344 1063721108160 1196686246680 1436023496016 1595581662240 1795029370020 1914697994688 2393372493360 2872046992032 3191163324480 3590058740040 4786744986720 5744093984064 7180117480080 9573489973440 14360234960160 28720469920320
• Sum of all divisors σ(n): 104306478851700
• Sum of proper divisors (its aliquot sum) s(n): 75586008931380
• 28720469920320 is an abundant number, because the sum of its proper divisors (75586008931380) is greater than itself. Its abundance is 46865539011060

Bases of 28720469920320

• Binary: 110100001111100000001011010000100101001000000₂
• Hexadecimal: 0x1A1F01684A40
• Base-36: A6I029000

Squares and roots of 28720469920320

• 28720469920320 squared (28720469920320²) is 824865392444005907148902400
• 28720469920320 cubed (28720469920320³) is 23690521692001023866154446230503456768000
• The square root of 28720469920320 is 5359148.2457868247
• The cube root of 28720469920320 is 30624.1361683345

Scales and comparisons

• 28,720,469,920,320 seconds is equal to 913,222 years, 5 weeks, 3 days, 7 hours, 12 minutes.
• To count from 1 to 28,720,469,920,320 would take you about two million, two hundred eighty-three thousand and fifty-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 28720469920320 cubic inches would be around 2552 feet tall.

Recreational maths with 28720469920320

• 28720469920320 backwards is 02302996402782
• 28720469920320 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 28720469920320's digits is 54
• More coming soon!