18998960509438

Names of 18998960509438

• Cardinal: 18998960509438 can be written as Eighteen trillion, nine hundred ninety-eight billion, nine hundred sixty million, five hundred nine thousand, four hundred thirty-eight.

Scientific notation

• Scientific notation: 1.8998960509438 × 10¹³

Factors of 18998960509438

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 522

Divisors of 18998960509438

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 7 13 14 26 37 41 73 74 82 91 146 182 259 287 349 481 511 518 533 574 698 949 962 1022 1066 1369 1517 1898 2443 2701 2738 2993 3034 3367 3731 4537 4886 5329 5402 5986 6643 6734 7462 9074 9583 10619 10658 12913 13286 14309 17797 18907 19166 19721 20951 21238 25477 25826 28618 31759 35113 35594 37303 37814 38909 39442 41902 50954 56129 63518 69277 70226 74606 77818 90391 99937 100163 110741 112258 124579 138047 138554 167869 178339 180782 186017 197173 199874 200326 218489 221482 245791 249158 272363 276094 331201 335738 356678 372034 392903 394346 436978 477781 484939 491582 529433 544726 662402 699559 729677 775187 785806 942649 955562 969878 1044557 1058866 1175083 1299181 1302119 1380211 1399118 1439633 1459354 1529423 1550374 1859821 1885298 2089114 2318407 2350166 2563249 2598362 2604238 2760422 2840357 2879266 3058846 3344467 3706031 3719642 4097417 4636814 5107739 5126498 5680714 6211153 6598543 6688934 6882629 7295401 7311899 7412062 8084093 8194834 9094267 10077431 10215478 12254437 12422306 13018747 13197086 13579241 13765258 14590802 14623798 16168186 17942743 18188534 19589021 19882499 20154862 24177673 24508874 26037494 27158482 28681919 34878013 35885486 38648609 39178042 39764998 43478071 48178403 48355346 51067807 53266421 56588651 57363838 68813377 69756026 76252661 77297218 85781059 86956142 94840213 95054687 96356806 102135614 105093209 106532842 113177302 137123147 137626754 152505322 169243711 171562118 189680426 190109374 210186418 244146091 254657273 270540263 274246294 299111441 338487422 372864947 453414169 481693639 488292182 502431917 509314546 533768627 541080526 598222882 663881491 735652463 745729894 894573901 906828338 963387278 991284593 1004863834 1067537254 1327762982 1429998533 1471304926 1782600911 1789147802 1982569186 2093780087 2546094949 2821348457 2859997066 3173899183 3517023419 3565201822 3888448733 4187560174 5092189898 5642696914 6262017307 6347798366 6938992151 7034046838 7776897466 10009989731 12524034614 13877984302 17822664643 18589980929 19749439199 20019979462 27219141131 33099234337 35645329286 36677529941 37179961858 39498878398 54438282262 66198468674 73355059882 104389892909 130129866503 208779785818 231694640359 256742709587 260259733006 463389280718 513485419174 730729250363 1357068607817 1461458500726 2714137215634 9499480254719 18998960509438
• Sum of all divisors σ(n): 37547902123200
• Sum of proper divisors (its aliquot sum) s(n): 18548941613762
• 18998960509438 is a deficient number, because the sum of its proper divisors (18548941613762) is less than itself. Its deficiency is 450018895676

Bases of 18998960509438

• Binary: 100010100011110001010010010101101000111111110₂
• Hexadecimal: 0x11478A4AD1FE
• Base-36: 6QG02JR3Y

Squares and roots of 18998960509438

• 18998960509438 squared (18998960509438²) is 360960500439184628487075844
• 18998960509438 cubed (18998960509438³) is 6857874293311046611978153244321183815672
• The square root of 18998960509438 is 4358779.7041646875
• The cube root of 18998960509438 is 26683.5298505677

Scales and comparisons

• 18,998,960,509,438 seconds is equal to 604,108 years, 9 weeks, 1 day, 6 hours, 23 minutes, 58 seconds.
• To count from 1 to 18,998,960,509,438 would take you about one million, five hundred ten thousand, two hundred seventy 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 18998960509438 cubic inches would be around 2223.6 feet tall.

Recreational maths with 18998960509438

• 18998960509438 backwards is 83490506989981
• The number of decimal digits it has is: 14
• The sum of 18998960509438's digits is 79
• More coming soon!