28191988465322880

Names of 28191988465322880

• Cardinal: 28191988465322880 can be written as Twenty-eight quadrillion, one hundred ninety-one trillion, nine hundred eighty-eight billion, four hundred sixty-five million, three hundred twenty-two thousand, eight hundred eighty.

Scientific notation

• Scientific notation: 2.819198846532288 × 10¹⁶

Factors of 28191988465322880

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 348374

Divisors of 28191988465322880

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 30 32 33 40 44 48 55 60 64 66 80 88 96 110 120 121 128 132 160 165 176 192 220 240 242 264 320 330 352 363 384 440 480 484 528 605 640 660 704 726 880 960 968 1056 1210 1320 1408 1452 1760 1815 1920 1936 2112 2420 2640 2904 3520 3630 3872 4224 4840 5280 5808 7040 7260 7744 9680 10560 11616 14520 15488 19360 21120 23232 29040 38720 46464 58080 77440 116160 232320 348353 696706 1045059 1393412 1741765 2090118 2786824 3483530 3831883 4180236 5225295 5573648 6967060 7663766 8360472 10450590 11147296 11495649 13934120 15327532 16720944 19159415 20901180 22294592 22991298 27868240 30655064 33441888 38318830 41802360 42150713 44589184 45982596 55736480 57478245 61310128 66883776 76637660 83604720 84301426 91965192 111472960 114956490 122620256 126452139 133767552 153275320 167209440 168602852 183930384 210753565 222945920 229912980 245240512 252904278 306550640 334418880 337205704 367860768 421507130 459825960 490481024 505808556 613101280 632260695 668837760 674411408 735721536 843014260 919651920 1011617112 1226202560 1264521390 1348822816 1471443072 1686028520 1839303840 2023234224 2452405120 2529042780 2697645632 3372057040 3678607680 4046468448 5058085560 5395291264 6744114080 7357215360 8092936896 10116171120 13488228160 16185873792 20232342240 26976456320 40464684480 80929368960 121349812609 242699625218 364049437827 485399250436 606749063045 728098875654 970798500872 1213498126090 1334847938699 1456197751308 1820247189135 1941597001744 2426996252180 2669695877398 2912395502616 3640494378270 3883194003488 4004543816097 4853992504360 5339391754796 5824791005232 6674239693495 7280988756540 7766388006976 8009087632194 9707985008720 10678783509592 11649582010464 13348479386990 14561977513080 14683327325689 15532776013952 16018175264388 19415970017440 20022719080485 21357567019184 23299164020928 26696958773980 29123955026160 29366654651378 32036350528776 38831940034880 40045438160970 42715134038368 44049981977067 46598328041856 53393917547960 58247910052320 58733309302756 64072701057552 73416636628445 77663880069760 80090876321940 85430268076736 88099963954134 106787835095920 116495820104640 117466618605512 128145402115104 146833273256890 160181752643880 170860536153472 176199927908268 213575670191840 220249909885335 232991640209280 234933237211024 256290804230208 293666546513780 320363505287760 352399855816536 427151340383680 440499819770670 469866474422048 512581608460416 587333093027560 640727010575520 704799711633072 854302680767360 880999639541340 939732948844096 1174666186055120 1281454021151040 1409599423266144 1761999279082680 1879465897688192 2349332372110240 2562908042302080 2819198846532288 3523998558165360 4698664744220480 5638397693064576 7047997116330720 9397329488440960 14095994232661440 28191988465322880
• Sum of all divisors σ(n): 98774177017443480
• Sum of proper divisors (its aliquot sum) s(n): 70582188552120600
• 28191988465322880 is an abundant number, because the sum of its proper divisors (70582188552120600) is greater than itself. Its abundance is 42390200086797720

Bases of 28191988465322880

• Binary: 1100100001010000111011011010001111111001100101110000000₂
• Hexadecimal: 0x642876D1FCCB80
• Base-36: 7PL84PGOJ9C

Squares and roots of 28191988465322880

• 28191988465322880 squared (28191988465322880²) is 794788213628898314696262651494400
• 28191988465322880 cubed (28191988465322880³) is 22406660151000478296991475337389569097010511872000
• The square root of 28191988465322880 is 167904700.5456454755
• The cube root of 28191988465322880 is 304351.3527120435

Scales and comparisons

• 28,191,988,465,322,880 seconds is equal to 896,418,029 years, 33 weeks, 6 days, 2 hours, 8 minutes.
• To count from 1 to 28,191,988,465,322,880 would take you about two billion, six hundred eighty-nine million, two hundred fifty-four thousand and eighty-eight 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 28191988465322880 cubic inches would be around 25362.6 feet tall.

Recreational maths with 28191988465322880

• 28191988465322880 backwards is 08822356488919182
• The number of decimal digits it has is: 17
• The sum of 28191988465322880's digits is 84
• More coming soon!