18748397517843

Names of 18748397517843

• Cardinal: 18748397517843 can be written as Eighteen trillion, seven hundred forty-eight billion, three hundred ninety-seven million, five hundred seventeen thousand, eight hundred forty-three.

Scientific notation

• Scientific notation: 1.8748397517843 × 10¹³

Factors of 18748397517843

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 42836

Divisors of 18748397517843

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 7 19 21 43 49 57 129 133 147 193 301 361 399 579 817 903 931 1083 1351 2107 2451 2527 2793 3667 4053 5719 6321 7581 8299 9457 11001 15523 17157 17689 24897 25669 28371 40033 42571 46569 53067 58093 69673 77007 108661 120099 127713 157681 174279 179683 209019 297997 325983 406651 473043 487711 539049 760627 808849 893991 1103767 1219953 1463133 1830553 2085979 2281881 2426547 2995939 3311301 3413977 5491659 5661943 6257937 7726369 8216203 8987817 10241931 12813871 15368131 16985829 20971573 23179107 24648609 34780507 38441613 39633601 46104393 57513421 62914719 89697097 104341521 107576917 118900803 146801011 156107857 172540263 243463549 269091291 322730751 353296729 402593947 440403033 468323571 660829633 730390647 753038419 1059890187 1092754999 1207781841 1704244843 1982488899 2259115257 2473077103 2966049283 3278264997 4625807431 5112734529 6712637851 7419231309 7649284993 8898147849 13877422293 17311539721 20137913553 20762344981 22947854979 32380652017 46988464957 51934619163 62287034943 97141956051 127540119169 140965394871 145336414867 328919254699 382620357507 436009244601 892780834183 986757764097 2678342502549 6249465839281 18748397517843
• Sum of all divisors σ(n): 31567361417856
• Sum of proper divisors (its aliquot sum) s(n): 12818963900013
• 18748397517843 is a deficient number, because the sum of its proper divisors (12818963900013) is less than itself. Its deficiency is 5929433617830

Bases of 18748397517843

• Binary: 100010000110100110011100100101111110000010011₂
• Hexadecimal: 0x110D3392FC13
• Base-36: 6N8W7T9G3

Squares and roots of 18748397517843

• 18748397517843 squared (18748397517843²) is 351502409487061563503372649
• 18748397517843 cubed (18748397517843³) is 6590106901543058792010362491670655676107
• The square root of 18748397517843 is 4329941.9762674649
• The cube root of 18748397517843 is 26565.7073673825

Scales and comparisons

• 18,748,397,517,843 seconds is equal to 596,141 years, 2 weeks, 3 days, 15 hours, 24 minutes, 3 seconds.
• To count from 1 to 18,748,397,517,843 would take you about one million, four hundred ninety thousand, three hundred fifty-two 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 18748397517843 cubic inches would be around 2213.8 feet tall.

Recreational maths with 18748397517843

• 18748397517843 backwards is 34871579384781
• The number of decimal digits it has is: 14
• The sum of 18748397517843's digits is 75
• More coming soon!