18978796006400000

Names of 18978796006400000

• Cardinal: 18978796006400000 can be written as Eighteen quadrillion, nine hundred seventy-eight trillion, seven hundred ninety-six billion, six million, four hundred thousand.

Scientific notation

• Scientific notation: 1.89787960064 × 10¹⁶

Factors of 18978796006400000

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 21
• Sum of prime factors: 11348

Divisors of 18978796006400000

• Number of divisors d(n): 672
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 29 32 40 50 58 64 80 100 116 125 128 145 160 200 232 250 256 290 320 400 464 500 512 580 625 640 725 800 928 1000 1024 1160 1250 1280 1450 1600 1856 2000 2048 2320 2500 2560 2900 3121 3125 3200 3625 3712 4000 4096 4640 5000 5120 5800 6242 6250 6400 7250 7424 8000 8191 8192 9280 10000 10240 11600 12484 12500 12800 14500 14848 15605 16000 16382 18125 18560 20000 20480 23200 24968 25000 25600 29000 29696 31210 32000 32764 36250 37120 40000 40955 40960 46400 49936 50000 51200 58000 59392 62420 64000 65528 72500 74240 78025 80000 81910 90509 90625 92800 99872 100000 102400 116000 118784 124840 128000 131056 145000 148480 156050 160000 163820 181018 181250 185600 199744 200000 204775 204800 232000 237539 237568 249680 256000 262112 290000 296960 312100 320000 327640 362036 362500 371200 390125 399488 400000 409550 452545 464000 475078 499360 512000 524224 580000 593920 624200 640000 655280 724072 725000 742400 780250 798976 800000 819100 905090 928000 950156 998720 1023875 1024000 1048448 1160000 1187695 1187840 1248400 1280000 1310560 1448144 1450000 1484800 1560500 1597952 1600000 1638200 1810180 1856000 1900312 1950625 1997440 2047750 2096896 2262725 2320000 2375390 2496800 2560000 2621120 2896288 2900000 2969600 3121000 3195904 3200000 3276400 3620360 3712000 3800624 3901250 3994880 4095500 4193792 4525450 4640000 4750780 4993600 5119375 5120000 5242240 5792576 5800000 5938475 5939200 6242000 6391808 6400000 6552800 7240720 7424000 7601248 7802500 7989760 8191000 8387584 9050900 9280000 9501560 9753125 9987200 10238750 10484480 11313625 11585152 11600000 11876950 12484000 12783616 12800000 13105600 14481440 14848000 15202496 15605000 15979520 16382000 16775168 18101800 18560000 19003120 19506250 19974400 20477500 20968960 22627250 23170304 23200000 23753900 24968000 25564111 25567232 25596875 25600000 26211200 28962880 29692375 29696000 30404992 31210000 31959040 32764000 33550336 36203600 37120000 38006240 39012500 39948800 40955000 41937920 45254500 46340608 46400000 47507800 49936000 51128222 51193750 52422400 56568125 57925760 59384750 60809984 62420000 63918080 65528000 67100672 72407200 74240000 76012480 78025000 79897600 81910000 83875840 90509000 92681216 92800000 95015600 99872000 102256444 102387500 104844800 113136250 115851520 118769500 121619968 124840000 127820555 127836160 131056000 144814400 148461875 148480000 152024960 156050000 159795200 163820000 167751680 181018000 185362432 185600000 190031200 199744000 204512888 204775000 209689600 226272500 231703040 237539000 243239936 249680000 255641110 262112000 282840625 289628800 296923750 304049920 312100000 319590400 327640000 335503360 362036000 370724864 371200000 380062400 399488000 409025776 409550000 419379200 452545000 463406080 475078000 486479872 499360000 511282220 524224000 565681250 579257600 593847500 608099840 624200000 639102775 639180800 655280000 724072000 741359219 741449728 742309375 742400000 760124800 798976000 818051552 819100000 838758400 905090000 926812160 950156000 972959744 998720000 1022564440 1048448000 1131362500 1158515200 1187695000 1216199680 1248400000 1278205550 1310560000 1448144000 1482718438 1484618750 1520249600 1597952000 1636103104 1638200000 1677516800 1810180000 1853624320 1900312000 1945919488 1997440000 2045128880 2096896000 2262725000 2317030400 2375390000 2432399360 2496800000 2556411100 2621120000 2896288000 2965436876 2969237500 3040499200 3195513875 3195904000 3272206208 3276400000 3620360000 3706796095 3707248640 3800624000 3994880000 4090257760 4193792000 4525450000 4634060800 4750780000 4864798720 4993600000 5112822200 5242240000 5792576000 5930873752 5938475000 6080998400 6391027750 6544412416 6552800000 7240720000 7413592190 7601248000 7989760000 8180515520 8387584000 9050900000 9268121600 9501560000 9729597440 9987200000 10225644400 10484480000 11585152000 11861747504 11876950000 12161996800 12782055500 13088824832 13105600000 14481440000 14827184380 15202496000 15977569375 15979520000 16361031040 18101800000 18533980475 18536243200 19003120000 19974400000 20451288800 20968960000 23170304000 23723495008 23753900000 24323993600 25564111000 26177649664 26211200000 28962880000 29654368760 30404992000 31955138750 32722062080 36203600000 37067960950 38006240000 39948800000 40902577600 41937920000 46340608000 47446990016 47507800000 48647987200 51128222000 52355299328 52422400000 57925760000 59308737520 60809984000 63910277500 65444124160 72407200000 74135921900 76012480000 79887846875 79897600000 81805155200 92669902375 92681216000 94893980032 95015600000 102256444000 104710598656 104844800000 115851520000 118617475040 121619968000 127820555000 130888248320 144814400000 148271843800 152024960000 159775693750 163610310400 185339804750 189787960064 190031200000 204512888000 209421197312 209689600000 231703040000 237234950080 243239936000 255641110000 261776496640 289628800000 296543687600 304049920000 319551387500 327220620800 370679609500 379575920128 380062400000 409025776000 463349511875 463406080000 474469900160 511282220000 523552993280 579257600000 593087375200 608099840000 639102775000 654441241600 741359219000 759151840256 760124800000 818051552000 926699023750 948939800320 1022564440000 1047105986560 1158515200000 1186174750400 1216199680000 1278205550000 1308882483200 1482718438000 1518303680512 1520249600000 1636103104000 1853398047500 1897879600640 2045128880000 2316747559375 2317030400000 2372349500800 2556411100000 2617764966400 2965436876000 3036607361024 3040499200000 3272206208000 3706796095000 3795759201280 4090257760000 4633495118750 4744699001600 5112822200000 5235529932800 5930873752000 6073214722048 6080998400000 6544412416000 7413592190000 7591518402560 8180515520000 9266990237500 9489398003200 10225644400000 11861747504000 13088824832000 14827184380000 15183036805120 16361031040000 18533980475000 18978796006400 20451288800000 23723495008000 26177649664000 29654368760000 30366073610240 32722062080000 37067960950000 37957592012800 40902577600000 47446990016000 59308737520000 65444124160000 74135921900000 75915184025600 81805155200000 94893980032000 118617475040000 130888248320000 148271843800000 151830368051200 163610310400000 189787960064000 237234950080000 296543687600000 327220620800000 379575920128000 474469900160000 593087375200000 654441241600000 759151840256000 948939800320000 1186174750400000 1897879600640000 2372349500800000 3795759201280000 4744699001600000 9489398003200000 18978796006400000
• Sum of all divisors σ(n): 49098674443714560
• Sum of proper divisors (its aliquot sum) s(n): 30119878437314560
• 18978796006400000 is an abundant number, because the sum of its proper divisors (30119878437314560) is greater than itself. Its abundance is 11141082430914560

Bases of 18978796006400000

• Binary: 1000011011011010001110101001010001110011110000000000000₂
• Hexadecimal: 0x436D1D4A39E000
• Base-36: 56VF6IS7VNK

Squares and roots of 18978796006400000

• 18978796006400000 squared (18978796006400000²) is 360194697852544588840960000000000
• 18978796006400000 cubed (18978796006400000³) is 6836061693130327898772741652742144000000000000000
• The square root of 18978796006400000 is 137763551.0808283425
• The cube root of 18978796006400000 is 266740.8634115245

Scales and comparisons

• 18,978,796,006,400,000 seconds is equal to 603,467,007 years, 38 weeks, 19 hours, 33 minutes, 20 seconds.
• To count from 1 to 18,978,796,006,400,000 would take you about one billion, eight hundred ten million, four hundred one thousand and twenty-three 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 18978796006400000 cubic inches would be around 22228.4 feet tall.

Recreational maths with 18978796006400000

• 18978796006400000 backwards is 00000460069787981
• The number of decimal digits it has is: 17
• The sum of 18978796006400000's digits is 65
• More coming soon!