28081468800

Names of 28081468800

• Cardinal: 28081468800 can be written as Twenty-eight billion, eighty-one million, four hundred sixty-eight thousand, eight hundred.

Scientific notation

• Scientific notation: 2.80814688 × 10¹⁰

Factors of 28081468800

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 95

Divisors of 28081468800

• Number of divisors d(n): 1728
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 11 12 14 15 16 18 20 21 22 24 25 27 28 30 32 33 35 36 40 42 44 45 48 49 50 54 55 56 60 63 64 66 67 70 72 75 77 80 81 84 88 90 96 98 99 100 105 108 110 112 120 126 128 132 134 135 140 144 147 150 154 160 162 165 168 175 176 180 189 192 196 198 200 201 210 216 220 224 225 231 240 243 245 252 264 268 270 275 280 288 294 297 300 308 315 320 324 330 335 336 350 352 360 378 384 385 392 396 400 402 405 420 432 440 441 448 450 462 469 480 486 490 495 504 525 528 536 539 540 550 560 567 576 588 594 600 603 616 630 640 648 660 670 672 675 693 700 704 720 735 737 756 770 784 792 800 804 810 825 840 864 880 882 891 896 900 924 938 945 960 972 980 990 1005 1008 1050 1056 1072 1078 1080 1100 1120 1134 1152 1155 1176 1188 1200 1206 1215 1225 1232 1260 1296 1320 1323 1340 1344 1350 1386 1400 1407 1408 1440 1470 1474 1485 1512 1540 1568 1575 1584 1600 1608 1617 1620 1650 1675 1680 1701 1728 1760 1764 1782 1800 1809 1848 1876 1890 1920 1925 1944 1960 1980 2010 2016 2025 2079 2100 2112 2144 2156 2160 2200 2205 2211 2240 2268 2310 2345 2352 2376 2400 2412 2430 2450 2464 2475 2520 2592 2640 2646 2673 2680 2688 2695 2700 2772 2800 2814 2835 2880 2940 2948 2970 3015 3024 3080 3136 3150 3168 3200 3216 3234 3240 3283 3300 3350 3360 3402 3456 3465 3520 3528 3564 3600 3618 3675 3685 3696 3752 3780 3850 3888 3920 3960 3969 4020 4032 4050 4158 4200 4221 4224 4288 4312 4320 4400 4410 4422 4455 4480 4536 4620 4690 4704 4725 4752 4800 4824 4851 4860 4900 4928 4950 5025 5040 5159 5184 5280 5292 5346 5360 5390 5400 5427 5544 5600 5628 5670 5760 5775 5880 5896 5940 6030 6048 6075 6160 6237 6272 6300 6336 6432 6468 6480 6566 6600 6615 6633 6700 6720 6804 6930 7035 7040 7056 7128 7200 7236 7350 7370 7392 7425 7504 7560 7700 7776 7840 7920 7938 8040 8064 8085 8100 8316 8400 8442 8505 8576 8624 8640 8800 8820 8844 8910 9045 9072 9240 9380 9408 9450 9504 9600 9648 9702 9720 9800 9849 9856 9900 10050 10080 10318 10368 10395 10560 10584 10692 10720 10780 10800 10854 11025 11055 11088 11200 11256 11340 11550 11725 11760 11792 11880 11907 12060 12096 12150 12320 12474 12600 12663 12672 12864 12936 12960 13132 13200 13230 13266 13365 13400 13440 13475 13608 13860 14070 14112 14175 14256 14400 14472 14553 14700 14740 14784 14850 15008 15075 15120 15400 15477 15552 15680 15840 15876 16080 16170 16200 16281 16415 16632 16800 16884 17010 17248 17280 17325 17600 17640 17688 17820 18090 18144 18425 18480 18711 18760 18816 18900 19008 19296 19404 19440 19600 19698 19800 19845 19899 20100 20160 20636 20790 21105 21120 21168 21384 21440 21560 21600 21708 22050 22110 22176 22275 22400 22512 22680 23100 23450 23520 23584 23760 23814 24120 24192 24255 24300 24640 24948 25200 25326 25728 25795 25872 25920 26264 26400 26460 26532 26730 26800 26950 27135 27216 27720 28140 28224 28350 28512 28800 28944 29106 29400 29480 29547 29568 29700 30016 30150 30240 30800 30954 31104 31185 31360 31680 31752 32160 32340 32400 32562 32830 33075 33165 33264 33600 33768 34020 34496 34650 35175 35200 35280 35376 35640 36113 36180 36288 36850 36960 37422 37520 37800 37989 38016 38592 38808 38880 39200 39396 39600 39690 39798 40200 40320 40425 41272 41580 42210 42336 42525 42768 42880 43120 43200 43416 43659 44100 44220 44352 44550 45024 45225 45360 46200 46431 46900 47040 47168 47520 47628 48240 48510 48600 49245 49280 49896 50400 50652 51590 51744 51840 51975 52528 52800 52920 53064 53460 53600 53900 54270 54432 55275 55440 56280 56448 56700 57024 57888 58212 58800 58960 59094 59400 59535 59697 60032 60300 60480 61600 61908 62370 63315 63360 63504 64320 64680 64800 65124 65660 66150 66330 66528 66825 67200 67536 68040 68992 69300 70350 70560 70752 71280 72226 72360 72576 72765 73700 73920 74844 75040 75600 75978 77184 77385 77616 77760 78400 78792 79200 79380 79596 80400 80850 81405 82075 82544 83160 84420 84672 85050 85536 86240 86400 86832 87318 88200 88440 88641 88704 89100 90048 90450 90720 92400 92862 93555 93800 94080 94336 95040 95256 96480 97020 97200 98490 99225 99495 99792 100800 101304 103180 103488 103950 105056 105525 105600 105840 106128 106920 107200 107800 108339 108540 108864 110550 110880 112560 113400 113967 114048 115776 116424 117600 117920 118188 118800 119070 119394 120600 120960 121275 123200 123816 124740 126630 127008 128640 128975 129360 129600 130248 130977 131320 132300 132660 133056 133650 135072 135675 136080 138600 139293 140700 141120 141504 142560 144452 144720 145530 147400 147735 147840 149688 150080 151200 151956 154770 155232 155520 155925 156800 157584 158400 158760 159192 160800 161700 162810 164150 165088 165825 166320 168840 169344 170100 171072 172480 173664 174636 176400 176880 177282 178200 179091 180096 180565 180900 181440 184800 185724 187110 187600 189945 190080 190512 192960 194040 194400 196980 198450 198990 199584 201600 202608 206360 206976 207900 210112 211050 211680 212256 213840 214400 215600 216678 217080 217728 218295 221100 221760 225120 226800 227934 231552 232155 232848 235200 235840 236376 237600 238140 238788 241200 242550 246225 246400 247632 249480 253260 254016 257950 258720 259200 260496 261954 262640 264600 265320 265923 266112 267300 270144 271350 272160 277200 278586 281400 282240 283008 285120 288904 289440 291060 294800 295470 297675 298485 299376 300160 302400 303912 309540 310464 311850 315168 316575 316800 317520 318384 321600 323400 325017 325620 328300 330176 331650 332640 337680 340200 342144 344960 347328 349272 352800 353760 354564 356400 358182 361130 361800 362880 363825 369600 371448 374220 375200 379890 381024 385920 386925 388080 388800 393960 396900 397980 399168 405216 407025 412720 415800 417879 420224 422100 423360 424512 427680 431200 433356 434160 436590 442200 443205 443520 450240 453600 455868 464310 465696 467775 470400 471680 472752 475200 476280 477576 482400 485100 492450 495264 497475 498960 506520 508032 515900 517440 520992 523908 525280 529200 530640 531846 534600 540288 541695 542700 544320 554400 557172 562800 569835 570240 577808 578880 582120 589600 590940 595350 596970 598752 604800 607824 619080 620928 623700 630336 633150 635040 636768 643200 646800 650034 651240 654885 656600 660352 663300 665280 675360 680400 694656 696465 698544 705600 707520 709128 712800 716364 722260 723600 727650 738675 739200 742896 748440 750400 759780 762048 773850 776160 777600 787920 793800 795960 797769 798336 810432 814050 825440 831600 835758 844200 846720 849024 855360 862400 866712 868320 873180 884400 886410 895455 900480 902825 907200 911736 928620 931392 935550 945504 949725 950400 952560 955152 964800 970200 975051 984900 990528 994950 997920 1013040 1031800 1034880 1041984 1047816 1050560 1058400 1061280 1063692 1069200 1083390 1085400 1088640 1091475 1108800 1114344 1125600 1139670 1155616 1157760 1160775 1164240 1179200 1181880 1190700 1193940 1197504 1215648 1238160 1247400 1253637 1260672 1266300 1270080 1273536 1293600 1300068 1302480 1309770 1313200 1326600 1329615 1330560 1350720 1360800 1392930 1397088 1411200 1415040 1418256 1425600 1432728 1444520 1447200 1455300 1477350 1485792 1492425 1496880 1500800 1519560 1524096 1547700 1552320 1575840 1587600 1591920 1595538 1620864 1625085 1628100 1650880 1663200 1671516 1688400 1710720 1724800 1733424 1736640 1746360 1768800 1772820 1790910 1805650 1814400 1823472 1857240 1862784 1871100 1891008 1899450 1905120 1910304 1929600 1940400 1950102 1969800 1981056 1989900 1995840 2026080 2063600 2083968 2089395 2095632 2101120 2116800 2122560 2127384 2138400 2166780 2170800 2182950 2216025 2217600 2228688 2251200 2279340 2311232 2321550 2328480 2358400 2363760 2381400 2387880 2395008 2431296 2476320 2494800 2507274 2532600 2540160 2547072 2587200 2600136 2604960 2619540 2626400 2653200 2659230 2701440 2708475 2721600 2785860 2794176 2836512 2849175 2851200 2865456 2889040 2894400 2910600 2925153 2954700 2971584 2984850 2993760 3039120 3095400 3104640 3151680 3175200 3183840 3191076 3250170 3256200 3274425 3301760 3326400 3343032 3376800 3466848 3473280 3482325 3492720 3537600 3545640 3581820 3611300 3646944 3714480 3742200 3782016 3798900 3810240 3820608 3880800 3900204 3939600 3979800 3988845 3991680 4052160 4127200 4178790 4191264 4233600 4245120 4254768 4276800 4333560 4341600 4365900 4432050 4457376 4477275 4502400 4558680 4622464 4643100 4656960 4727520 4762800 4775760 4862592 4875255 4952640 4989600 5014548 5065200 5174400 5200272 5209920 5239080 5252800 5306400 5318460 5416950 5443200 5571720 5588352 5673024 5698350 5730912 5778080 5788800 5821200 5850306 5909400 5943168 5969700 5987520 6078240 6190800 6268185 6303360 6350400 6367680 6382152 6500340 6512400 6548850 6648075 6652800 6686064 6753600 6933696 6964650 6985440 7075200 7091280 7163640 7222600 7293888 7428960 7484400 7597800 7620480 7641216 7761600 7800408 7879200 7959600 7977690 8104320 8125425 8254400 8357580 8382528 8509536 8553600 8667120 8683200 8731800 8775459 8864100 8914752 8954550 9117360 9286200 9313920 9455040 9525600 9551520 9750510 9905280 9979200 10029096 10130400 10400544 10419840 10446975 10478160 10505600 10612800 10636920 10833900 11143440 11346048 11396700 11461824 11556160 11642400 11700612 11818800 11939400 11975040 12156480 12381600 12536370 12700800 12735360 12764304 13000680 13024800 13097700 13296150 13372128 13507200 13867392 13929300 13970880 14182560 14327280 14445200 14587776 14625765 14857920 14968800 15195600 15523200 15600816 15758400 15919200 15955380 16250850 16508800 16715160 16765056 17019072 17334240 17366400 17463600 17550918 17728200 17829504 17909100 18234720 18572400 18910080 19051200 19103040 19501020 19944225 19958400 20058192 20260800 20801088 20893950 20956320 21225600 21273840 21667800 22286880 22793400 22923648 23112320 23284800 23401224 23637600 23878800 24312960 24376275 24763200 25072740 25528608 26001360 26049600 26195400 26592300 26744256 27858600 27941760 28365120 28654560 28890400 29251530 29715840 29937600 30391200 31201632 31340925 31516800 31838400 31910760 32501700 33430320 34038144 34668480 34927200 35101836 35456400 35818200 36469440 37144800 38102400 38206080 39002040 39888450 40116384 40521600 41602176 41787900 41912640 42547680 43335600 43877295 44573760 45586800 46569600 46802448 47275200 47757600 48752550 49526400 50145480 51057216 52002720 52099200 52390800 53184600 53488512 55717200 56730240 57309120 57780800 58503060 59875200 60782400 62403264 62681850 63676800 63821520 65003400 66860640 69336960 69854400 70203672 70912800 71636400 72938880 73128825 74289600 78004080 79776900 80232768 83575800 83825280 85095360 86671200 87754590 89147520 91173600 93604896 94550400 95515200 97505100 100290960 102114432 104005440 104781600 106369200 111434400 114618240 115561600 117006120 121564800 124806528 125363700 127643040 130006800 133721280 139708800 140407344 141825600 143272800 146257650 148579200 156008160 159553800 160465536 167151600 170190720 173342400 175509180 182347200 187209792 191030400 195010200 200581920 208010880 209563200 212738400 219386475 222868800 234012240 250727400 255286080 260013600 267442560 280814688 283651200 286545600 292515300 312016320 319107600 334303200 346684800 351018360 364694400 374419584 390020400 401163840 419126400 425476800 438772950 445737600 468024480 501454800 510572160 520027200 561629376 573091200 585030600 624032640 638215200 668606400 702036720 780040800 802327680 850953600 877545900 936048960 1002909600 1040054400 1123258752 1170061200 1276430400 1337212800 1404073440 1560081600 1755091800 1872097920 2005819200 2340122400 2552860800 2808146880 3120163200 3510183600 4011638400 4680244800 5616293760 7020367200 9360489600 14040734400 28081468800
• Sum of all divisors σ(n): 133834559040
• Sum of proper divisors (its aliquot sum) s(n): 105753090240
• 28081468800 is an abundant number, because the sum of its proper divisors (105753090240) is greater than itself. Its abundance is 77671621440

Bases of 28081468800

• Binary: 11010001001110010010011010110000000₂
• Hexadecimal: 0x689C93580
• Base-36: CWEZC00

Squares and roots of 28081468800

• 28081468800 squared (28081468800²) is 788568889965373440000
• 28081468800 cubed (28081468800³) is 22144172680213267335708672000000
• The square root of 28081468800 is 167575.2630909467
• The cube root of 28081468800 is 3039.5312065669

Scales and comparisons

• 28,081,468,800 seconds is equal to 892 years, 47 weeks.
• To count from 1 to 28,081,468,800 would take you about one thousand, seven hundred eighty-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 28081468800 cubic inches would be around 253.3 feet tall.

Recreational maths with 28081468800

• 28081468800 backwards is 00886418082
• 28081468800 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28081468800's digits is 45
• More coming soon!