28028821217280

Names of 28028821217280

• Cardinal: 28028821217280 can be written as Twenty-eight trillion, twenty-eight billion, eight hundred twenty-one million, two hundred seventeen thousand, two hundred eighty.

Scientific notation

• Scientific notation: 2.802882121728 × 10¹³

Factors of 28028821217280

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 21
• Sum of prime factors: 70

Divisors of 28028821217280

• Number of divisors d(n): 896
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 32 39 40 47 48 52 60 64 65 78 80 94 96 104 120 128 130 141 156 160 169 188 192 195 208 235 240 256 260 282 312 320 338 376 384 390 416 470 480 507 512 520 564 611 624 640 676 705 752 768 780 832 845 940 960 1014 1024 1040 1128 1222 1248 1280 1352 1410 1504 1536 1560 1664 1690 1833 1880 1920 2028 2048 2080 2197 2209 2256 2444 2496 2535 2560 2704 2820 3008 3055 3072 3120 3328 3380 3666 3760 3840 4056 4096 4160 4394 4418 4512 4888 4992 5070 5120 5408 5640 6016 6110 6144 6240 6591 6627 6656 6760 7332 7520 7680 7943 8112 8192 8320 8788 8836 9024 9165 9776 9984 10140 10240 10816 10985 11045 11280 12032 12220 12288 12480 13182 13254 13312 13520 14664 15040 15360 15886 16224 16640 17576 17672 18048 18330 19552 19968 20280 20480 21632 21970 22090 22560 23829 24064 24440 24576 24960 26364 26508 26624 27040 28717 29328 30080 30720 31772 32448 32955 33135 33280 35152 35344 36096 36660 39104 39715 39936 40560 40960 43264 43940 44180 45120 47658 48128 48880 49920 52728 53016 53248 54080 57434 58656 60160 61440 63544 64896 65910 66270 66560 70304 70688 72192 73320 78208 79430 79872 81120 86151 86528 87880 88360 90240 95316 96256 97760 99840 103259 103823 105456 106032 106496 108160 114868 117312 119145 120320 122880 127088 129792 131820 132540 133120 140608 141376 143585 144384 146640 156416 158860 159744 162240 172302 173056 175760 176720 180480 190632 192512 195520 199680 206518 207646 210912 212064 216320 229736 234624 238290 240640 254176 259584 263640 265080 266240 281216 282752 287170 288768 293280 309777 311469 312832 317720 319488 324480 344604 346112 351520 353440 360960 373321 381264 385024 391040 399360 413036 415292 421824 424128 430755 432640 459472 469248 476580 481280 508352 516295 519115 519168 527280 530160 532480 562432 565504 574340 577536 586560 619554 622938 625664 635440 648960 689208 692224 703040 706880 721920 746642 762528 782080 798720 826072 830584 843648 848256 861510 865280 918944 938496 953160 962560 1016704 1032590 1038230 1038336 1054560 1060320 1119963 1124864 1131008 1148680 1155072 1173120 1239108 1245876 1251328 1270880 1297920 1349699 1378416 1384448 1406080 1413760 1443840 1493284 1525056 1548885 1557345 1564160 1597440 1652144 1661168 1687296 1696512 1723020 1730560 1837888 1866605 1876992 1906320 1925120 2033408 2065180 2076460 2076672 2109120 2120640 2239926 2249728 2262016 2297360 2346240 2478216 2491752 2502656 2541760 2595840 2699398 2756832 2812160 2827520 2887680 2986568 3050112 3097770 3114690 3128320 3304288 3322336 3374592 3393024 3446040 3461120 3675776 3733210 3753984 3812640 4049097 4066816 4130360 4152920 4153344 4218240 4241280 4479852 4499456 4524032 4594720 4692480 4853173 4956432 4983504 5005312 5083520 5191680 5398796 5513664 5599815 5624320 5655040 5775360 5973136 6100224 6195540 6229380 6256640 6608576 6644672 6748495 6749184 6786048 6892080 6922240 7351552 7466420 7507968 7625280 8098194 8133632 8260720 8305840 8436480 8482560 8959704 8998912 9048064 9189440 9384960 9706346 9912864 9967008 10167040 10383360 10797592 11027328 11199630 11248640 11310080 11946272 12200448 12391080 12458760 12513280 13217152 13289344 13496990 13498368 13572096 13784160 14559519 14703104 14932840 15015936 15250560 16196388 16267264 16521440 16611680 16872960 16965120 17546087 17919408 17997824 18096128 18378880 18769920 19412692 19825728 19934016 20245485 20334080 20766720 21595184 22054656 22399260 22497280 22620160 23892544 24265865 24400896 24782160 24917520 25026560 26434304 26578688 26993980 26996736 27144192 27568320 29119038 29406208 29865680 30501120 32392776 32534528 33042880 33223360 33745920 33930240 35092174 35838816 36757760 37539840 38825384 39651456 39868032 40490970 40668160 43190368 44109312 44798520 44994560 45240320 47785088 48531730 48801792 49564320 49835040 52638261 52868608 53157376 53987960 53993472 54288384 55136640 58238076 58812416 59731360 61002240 64785552 65069056 66085760 66446720 67491840 67860480 70184348 71677632 72797595 73515520 75079680 77650768 79302912 79736064 80981940 81336320 86380736 87730435 88218624 89597040 89989120 90480640 95570176 97063460 97603584 99128640 99670080 105276522 105737216 106314752 107975920 110273280 116476152 117624832 119462720 122004480 129571104 132171520 132893440 134983680 135720960 140368696 143355264 145595190 147031040 155301536 158605824 159472128 161963880 162672640 172761472 175460870 176437248 179194080 191140352 194126920 195207168 198257280 199340160 210553044 211474432 212629504 215951840 220546560 228099131 232952304 235249664 238925440 244008960 259142208 263191305 264343040 265786880 269967360 271441920 280737392 286710528 291190380 294062080 310603072 317211648 318944256 323927760 325345280 345522944 350921740 352874496 358388160 382280704 388253840 396514560 398680320 421106088 422948864 425259008 431903680 441093120 456198262 465904608 477850880 488017920 518284416 526382610 528686080 531573760 561474784 573421056 582380760 588124160 621206144 634423296 637888512 647855520 684297393 691045888 701843480 705748992 716776320 764561408 776507680 793029120 797360640 842212176 845897728 850518016 863807360 882186240 912396524 931809216 955701760 976035840 1036568832 1052765220 1057372160 1063147520 1122949568 1140495655 1146842112 1164761520 1176248320 1242412288 1268846592 1275777024 1295711040 1368594786 1382091776 1403686960 1433552640 1529122816 1553015360 1586058240 1594721280 1684424352 1727614720 1764372480 1824793048 1863618432 1911403520 2073137664 2105530440 2114744320 2126295040 2245899136 2280991310 2293684224 2329523040 2484824576 2537693184 2551554048 2591422080 2737189572 2764183552 2807373920 2867105280 3058245632 3106030720 3172116480 3189442560 3368848704 3421486965 3455229440 3528744960 3649586096 3727236864 3822807040 4146275328 4211060880 4229488640 4252590080 4491798272 4561982620 4587368448 4659046080 4969649152 5182844160 5474379144 5528367104 5614747840 5734210560 6212061440 6344232960 6378885120 6737697408 6842973930 6910458880 7299172192 7454473728 7645614080 8292550656 8422121760 8983596544 9123965240 9174736896 9318092160 9939298304 10365688320 10948758288 11056734208 11229495680 11468421120 12424122880 12688465920 12757770240 13475394816 13685947860 13820917760 14598344384 14908947456 15291228160 16585101312 16844243520 17967193088 18247930480 18636184320 19878596608 20731376640 21897516576 22458991360 22936842240 24848245760 26950789632 27371895720 27641835520 29196688768 29817894912 33170202624 33688487040 35934386176 36495860960 37272368640 39757193216 41462753280 43795033152 44917982720 45873684480 49696491520 53901579264 54743791440 55283671040 58393377536 59635789824 67376974080 71868772352 72991721920 74544737280 82925506560 87590066304 89835965440 99392983040 107803158528 109487582880 116786755072 119271579648 134753948160 143737544704 145983443840 149089474560 165851013120 175180132608 179671930880 198785966080 215606317056 218975165760 233573510144 269507896320 291966887680 298178949120 350360265216 359343861760 431212634112 437950331520 467147020288 539015792640 583933775360 596357898240 700720530432 718687723520 875900663040 934294040576 1078031585280 1167867550720 1401441060864 1751801326080 1868588081152 2156063170560 2335735101440 2802882121728 3503602652160 4671470202880 5605764243456 7007205304320 9342940405760 14014410608640 28028821217280
• Sum of all divisors σ(n): 99269341516800
• Sum of proper divisors (its aliquot sum) s(n): 71240520299520
• 28028821217280 is an abundant number, because the sum of its proper divisors (71240520299520) is greater than itself. Its abundance is 43211699082240

Bases of 28028821217280

• Binary: 110010111110111110111111011101010000000000000₂
• Hexadecimal: 0x197DF7EEA000
• Base-36: 9XO9GGX6O

Squares and roots of 28028821217280

• 28028821217280 squared (28028821217280²) is 785614818830245500970598400
• 28028821217280 cubed (28028821217280³) is 22019857302638768368195971267378020352000
• The square root of 28028821217280 is 5294225.2707341421
• The cube root of 28028821217280 is 30376.3049782049

Scales and comparisons

• 28,028,821,217,280 seconds is equal to 891,229 years, 42 weeks, 2 days, 23 hours, 28 minutes.
• To count from 1 to 28,028,821,217,280 would take you about two million, two hundred twenty-eight thousand and seventy-four 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 28028821217280 cubic inches would be around 2531.4 feet tall.

Recreational maths with 28028821217280

• 28028821217280 backwards is 08271212882082
• The number of decimal digits it has is: 14
• The sum of 28028821217280's digits is 51
• More coming soon!