18970188746390

Names of 18970188746390

• Cardinal: 18970188746390 can be written as Eighteen trillion, nine hundred seventy billion, one hundred eighty-eight million, seven hundred forty-six thousand, three hundred ninety.

Scientific notation

• Scientific notation: 1.897018874639 × 10¹³

Factors of 18970188746390

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1092

Divisors of 18970188746390

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 5 7 10 14 17 34 35 49 70 85 98 119 170 238 245 289 343 490 578 595 686 833 1061 1190 1445 1666 1715 2023 2122 2890 3430 4046 4165 4913 5305 5831 7427 8330 9826 10115 10610 11662 14161 14854 18037 20230 24565 28322 29155 34391 36074 37135 49130 51989 58310 68782 70805 74270 90185 99127 103978 126259 141610 171955 180370 198254 240737 252518 259945 306629 343910 363923 481474 495635 519890 613258 631295 727846 883813 991270 1125721 1203685 1262590 1533145 1685159 1767626 1819615 2146403 2251442 2407370 3066290 3370318 3639230 4292806 4419065 5212693 5628605 6186691 7880047 8425795 8838130 10425386 10732015 11257210 12373382 15024821 15760094 16851590 19137257 21464030 26063465 30049642 30933455 36488851 38274514 39400235 52126930 55160329 61866910 72977702 75124105 78800470 95686285 105173747 110320658 133960799 150248210 182444255 191372570 210347494 255421957 267921598 275801645 325333369 364888510 386122303 510843914 525868735 551603290 650666738 669803995 772244606 937725593 1051737470 1277109785 1339607990 1626666845 1787953699 1875451186 1930611515 2277333583 2554219570 3253333690 3575907398 3861223030 4554667166 4688627965 5530667273 6564079151 8939768495 9377255930 11061334546 11386667915 13128158302 15941335081 17879536990 22773335830 27653336365 31882670162 32820395755 38714670911 55306672730 65640791510 77429341822 79706675405 111589345567 159413350810 193573354555 223178691134 271002696377 387146709110 542005392754 557946727835 1115893455670 1355013481885 1897018874639 2710026963770 3794037749278 9485094373195 18970188746390
• Sum of all divisors σ(n): 42349012272000
• Sum of proper divisors (its aliquot sum) s(n): 23378823525610
• 18970188746390 is an abundant number, because the sum of its proper divisors (23378823525610) is greater than itself. Its abundance is 4408634779220

Bases of 18970188746390

• Binary: 100010100000011010111010111001000111010010110₂
• Hexadecimal: 0x1140D75C8E96
• Base-36: 6Q2S8L0NQ

Squares and roots of 18970188746390

• 18970188746390 squared (18970188746390²) is 359868061073661799738032100
• 18970188746390 cubed (18970188746390³) is 6826765042364768294219250393504579119000
• The square root of 18970188746390 is 4355478.0158313277
• The cube root of 18970188746390 is 26670.0533225261

Scales and comparisons

• 18,970,188,746,390 seconds is equal to 603,193 years, 16 weeks, 5 days, 17 hours, 59 minutes, 50 seconds.
• To count from 1 to 18,970,188,746,390 would take you about one million, five hundred seven thousand, nine hundred eighty-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 18970188746390 cubic inches would be around 2222.5 feet tall.

Recreational maths with 18970188746390

• 18970188746390 backwards is 09364788107981
• The number of decimal digits it has is: 14
• The sum of 18970188746390's digits is 71
• More coming soon!