18379430520751989

Names of 18379430520751989

• Cardinal: 18379430520751989 can be written as Eighteen quadrillion, three hundred seventy-nine trillion, four hundred thirty billion, five hundred twenty million, seven hundred fifty-one thousand, nine hundred eighty-nine.

Scientific notation

• Scientific notation: 1.8379430520751989 × 10¹⁶

Factors of 18379430520751989

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1154

Divisors of 18379430520751989

• Number of divisors d(n): 216
• Complete list of divisors:
  1 3 9 13 19 39 57 117 171 247 307 379 433 741 921 1137 1299 2223 2763 3411 3897 3991 4927 5629 5833 7201 8227 11973 14781 16887 17499 21603 24681 35919 44343 50661 52497 64809 74043 75829 93613 106951 116353 132931 143641 164107 187489 227487 280839 320853 349059 398793 430923 492321 562467 682461 842517 962559 1047177 1196379 1292769 1476963 1512589 1687401 1728103 1867333 2133391 2210707 2437357 2525689 2729179 3118033 3562291 4537767 5184309 5601999 6400173 6632121 7312071 7577067 8187537 9354099 10686873 13613301 15552927 16805997 19200519 19896363 21936213 22731201 24562611 28062297 28739191 32060619 32833957 35479327 40534429 44097787 46309783 50380849 57559123 62196553 71058331 86217573 98501871 106437981 121603287 132293361 138929349 151142547 172677369 186589659 213174993 258652719 295505613 319313943 364809861 396880083 416788047 453427641 518032107 559768977 573271231 639524979 654951037 748268599 808555189 837857953 923758303 957236131 1093623337 1181734507 1350108289 1719813693 1964853111 2244805797 2425665567 2513573859 2771274909 2871708393 3280870011 3545203521 4050324867 5159441079 5894559333 6734417391 7276996701 7540721577 8313824727 8615125179 9842610033 10635610563 10892153389 12150974601 12444069703 14217103381 15362548591 17551407757 19094341771 21814907617 26931107449 32676460167 37332209109 42651310143 46087645773 52654223271 57283025313 65444722851 80793322347 98029380501 111996627327 127953930429 138262937319 157962669813 171849075939 196334168553 242379967041 248226443023 283593799021 350104396837 362792493649 414483244723 511691041531 744679329069 850781397063 1050313190511 1088377480947 1243449734169 1535073124593 2234037987207 2552344191189 3150939571533 3265132442841 3730349202507 4605219373779 4716302417437 5388282181399 6651983539903 8267849986843 14148907252311 16164846544197 19955950619709 24803549960529 42446721756933 48494539632591 59867851859127 74410649881587 107482049828959 157089149750017 322446149486877 471267449250051 967338448460631 1413802347750153 2042158946750221 6126476840250663 18379430520751989
• Sum of all divisors σ(n): 30342954030348960
• Sum of proper divisors (its aliquot sum) s(n): 11963523509596971
• 18379430520751989 is a deficient number, because the sum of its proper divisors (11963523509596971) is less than itself. Its deficiency is 6415907011155018

Bases of 18379430520751989

• Binary: 1000001010010111111111010100011010111010000011101110101₂
• Hexadecimal: 0x414BFEA35D0775
• Base-36: 50YYPTH8039

Squares and roots of 18379430520751989

• 18379430520751989 squared (18379430520751989²) is 337803466267149729555174047456121
• 18379430520751989 cubed (18379430520751989³) is 6208635337926266703590879569705424444985400974669
• The square root of 18379430520751989 is 135570758.3542704425
• The cube root of 18379430520751989 is 263902.8114513685

Scales and comparisons

• 18,379,430,520,751,989 seconds is equal to 584,409,039 years, 12 weeks, 6 days, 11 hours, 33 minutes, 9 seconds.
• To count from 1 to 18,379,430,520,751,989 would take you about one billion, seven hundred fifty-three million, two hundred twenty-seven thousand, one hundred seventeen 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 18379430520751989 cubic inches would be around 21991.9 feet tall.

Recreational maths with 18379430520751989

• 18379430520751989 backwards is 98915702503497381
• The number of decimal digits it has is: 17
• The sum of 18379430520751989's digits is 81
• More coming soon!