28378253879838720

Names of 28378253879838720

• Cardinal: 28378253879838720 can be written as Twenty-eight quadrillion, three hundred seventy-eight trillion, two hundred fifty-three billion, eight hundred seventy-nine million, eight hundred thirty-eight thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.837825387983872 × 10¹⁶

Factors of 28378253879838720

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 15058167

Divisors of 28378253879838720

• Number of divisors d(n): 1296
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 13 15 16 18 20 22 24 26 30 32 33 36 39 40 44 45 48 52 55 60 64 65 66 72 78 80 88 90 96 99 104 110 117 120 121 128 130 132 143 144 156 160 165 169 176 180 192 195 198 208 220 234 240 242 256 260 264 286 288 312 320 330 338 352 360 363 384 390 396 416 429 440 468 480 484 495 507 512 520 528 572 576 585 605 624 640 660 676 704 715 720 726 768 780 792 832 845 858 880 936 960 968 990 1014 1024 1040 1056 1089 1144 1152 1170 1210 1248 1280 1287 1320 1352 1408 1430 1440 1452 1521 1536 1560 1573 1584 1664 1690 1716 1760 1815 1859 1872 1920 1936 1980 2028 2048 2080 2112 2145 2178 2288 2304 2340 2420 2496 2535 2560 2574 2640 2704 2816 2860 2880 2904 3042 3072 3120 3146 3168 3328 3380 3432 3520 3630 3718 3744 3840 3872 3960 4056 4160 4224 4290 4356 4576 4608 4680 4719 4840 4992 5070 5120 5148 5280 5408 5445 5577 5632 5720 5760 5808 6084 6144 6240 6292 6336 6435 6656 6760 6864 7040 7260 7436 7488 7605 7680 7744 7865 7920 8112 8320 8448 8580 8712 9152 9216 9295 9360 9438 9680 9984 10140 10240 10296 10560 10816 10890 11154 11264 11440 11520 11616 12168 12480 12584 12672 12870 13312 13520 13728 14080 14157 14520 14872 14976 15210 15360 15488 15730 15840 16224 16640 16731 16896 17160 17424 18304 18432 18590 18720 18876 19360 19968 20280 20449 20592 21120 21632 21780 22308 22528 22880 23040 23232 23595 24336 24960 25168 25344 25740 26624 27040 27456 27885 28160 28314 29040 29744 29952 30420 30720 30976 31460 31680 32448 33280 33462 33792 34320 34848 36608 37180 37440 37752 38720 39936 40560 40898 41184 42240 43264 43560 44616 45760 46080 46464 47190 48672 49920 50336 50688 51480 54080 54912 55770 56320 56628 58080 59488 59904 60840 61347 61952 62920 63360 64896 66560 66924 67584 68640 69696 70785 73216 74360 74880 75504 77440 79872 81120 81796 82368 83655 84480 86528 87120 89232 91520 92160 92928 94380 97344 99840 100672 101376 102245 102960 108160 109824 111540 112640 113256 116160 118976 119808 121680 122694 123904 125840 126720 129792 133120 133848 137280 139392 141570 146432 148720 149760 151008 154880 162240 163592 164736 167310 168960 173056 174240 178464 183040 184041 185856 188760 194688 199680 201344 202752 204490 205920 216320 219648 223080 226512 232320 237952 239616 243360 245388 247808 251680 253440 259584 267696 274560 278784 283140 292864 297440 299520 302016 306735 309760 324480 327184 329472 334620 337920 346112 348480 356928 366080 368082 371712 377520 389376 399360 402688 408980 411840 432640 439296 446160 453024 464640 475904 486720 490776 503360 506880 519168 535392 549120 557568 566280 594880 599040 604032 613470 619520 648960 654368 658944 669240 696960 713856 732160 736164 743424 755040 778752 805376 817960 823680 865280 878592 892320 906048 920205 929280 951808 973440 981552 1006720 1013760 1038336 1070784 1098240 1115136 1132560 1189760 1198080 1208064 1226940 1239040 1297920 1308736 1317888 1338480 1393920 1427712 1464320 1472328 1510080 1557504 1610752 1635920 1647360 1730560 1784640 1812096 1840410 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2480616597888 2519376232230 2544222151680 2605900264448 2623729093920 2687334647712 2756240664320 2771313855453 2798644366848 2842373185080 2931637797504 3006807997440 3031864730752 3053066582016 3079237617170 3100770747360 3257375330560 3307488797184 3359168309640 3410847822096 3498305458560 3583112863616 3608169596928 3664547246880 3695085140604 3731525822464 3789830913440 3816333227520 3908850396672 4031001971568 4134360996480 4197966550272 4263559777620 4409985062912 4478891079520 4510211996160 4547797096128 4618856425755 4664407278080 4886062995840 4926780187472 4961233195776 5038752464460 5088444303360 5211800528896 5247458187840 5374669295424 5512481328640 5542627710906 5597288733696 5684746370160 5863275595008 6013615994880 6063729461504 6158475234340 6201541494720 6514750661120 6614977594368 6718336619280 6821695644192 6996610917120 7166225727232 7329094493760 7390170281208 7579661826880 7632666455040 7817700793344 8062003943136 8268721992960 8395933100544 8527119555240 8957782159040 9020423992320 9095594192256 9237712851510 9328814556160 9772125991680 9853560374944 9922466391552 10077504928920 10494916375680 10749338590848 11024962657280 11085255421812 11194577467392 11369492740320 11726551190016 12127458923008 12316950468680 12403082989440 13029501322240 13229955188736 13436673238560 13643391288384 13856569277265 13993221834240 14332451454464 14658188987520 14780340562416 15159323653760 15265332910080 15635401586688 16124007886272 16537443985920 16791866201088 17054239110480 17915564318080 18040847984640 18191188384512 18475425703020 18657629112320 19544251983360 19707120749888 19844932783104 20155009857840 20989832751360 21498677181696 22049925314560 22170510843624 22738985480640 23453102380032 24254917846016 24633900937360 24806165978880 26059002644480 26873346477120 27286782576768 27713138554530 27986443668480 28664902908928 29316377975040 29560681124832 30318647307520 32248015772544 33074887971840 33583732402176 34108478220960 35831128636160 36382376769024 36950851406040 39088503966720 39414241499776 39689865566208 40310019715680 41979665502720 42997354363392 44341021687248 45477970961280 46906204760064 48509835692032 49267801874720 49612331957760 53746692954240 54573565153536 55426277109060 55972887336960 57329805817856 58632755950080 59121362249664 60637294615040 64496031545088 66149775943680 68216956441920 71662257272320 72764753538048 73901702812080 78177007933440 78828482999552 80620039431360 83959331005440 85994708726784 88682043374496 90955941922560 98535603749440 99224663915520 107493385908480 109147130307072 110852554218120 117265511900160 118242724499328 121274589230080 128992063090176 136433912883840 143324514544640 145529507076096 147803405624160 157656965999104 161240078862720 167918662010880 171989417453568 177364086748992 181911883845120 197071207498880 198449327831040 214986771816960 218294260614144 221705108436240 234531023800320 236485448998656 242549178460160 257984126180352 272867825767680 286649029089280 295606811248320 315313931998208 322480157725440 354728173497984 363823767690240 394142414997760 429973543633920 436588521228288 443410216872480 472970897997312 515968252360704 545735651535360 591213622496640 630627863996416 644960315450880 709456346995968 727647535380480 788284829995520 859947087267840 886820433744960 945941795994624 1091471303070720 1182427244993280 1289920630901760 1418912693991936 1576569659991040 1773640867489920 1891883591989248 2182942606141440 2364854489986560 2579841261803520 2837825387983872 3153139319982080 3547281734979840 4729708979973120 5675650775967744 7094563469959680 9459417959946240 14189126939919360 28378253879838720
• Sum of all divisors σ(n): 117063740541498660
• Sum of proper divisors (its aliquot sum) s(n): 88685486661659940
• 28378253879838720 is an abundant number, because the sum of its proper divisors (88685486661659940) is greater than itself. Its abundance is 60307232781821220

Bases of 28378253879838720

• Binary: 1100100110100011101111100011101110110101000100000000000₂
• Hexadecimal: 0x64D1DF1DDA8800
• Base-36: 7RF91UV94W0

Squares and roots of 28378253879838720

• 28378253879838720 squared (28378253879838720²) is 805325293268581364828493211238400
• 28378253879838720 cubed (28378253879838720³) is 22853725628231374135241526203860245019883470848000
• The square root of 28378253879838720 is 168458463.3666077343
• The cube root of 28378253879838720 is 305020.1684408839

Scales and comparisons

• 28,378,253,879,838,720 seconds is equal to 902,340,693 years, 35 weeks, 1 day, 3 hours, 12 minutes.
• To count from 1 to 28,378,253,879,838,720 would take you about two billion, seven hundred seven million, twenty-two thousand and eighty-one 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 28378253879838720 cubic inches would be around 25418.3 feet tall.

Recreational maths with 28378253879838720

• 28378253879838720 backwards is 02783897835287382
• 28378253879838720 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 28378253879838720's digits is 90
• More coming soon!