18101204121

Names of 18101204121

• Cardinal: 18101204121 can be written as Eighteen billion, one hundred one million, two hundred four thousand, one hundred twenty-one.

Scientific notation

• Scientific notation: 1.8101204121 × 10¹⁰

Factors of 18101204121

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 88

Divisors of 18101204121

• Number of divisors d(n): 192
• Complete list of divisors:
  1 3 7 11 13 17 21 33 37 39 49 51 77 91 111 119 143 147 187 221 231 259 273 357 407 429 481 539 561 629 637 663 777 833 1001 1221 1309 1369 1443 1547 1617 1813 1887 1911 2431 2499 2849 3003 3367 3927 4107 4403 4641 5291 5439 6919 7007 7293 8177 8547 9163 9583 10101 10829 13209 15059 15873 17017 17797 19943 20757 21021 23273 23569 24531 27489 28749 30821 32487 37037 45177 48433 50653 51051 53391 57239 59829 67081 69819 70707 89947 92463 105413 111111 119119 124579 145299 151959 162911 171717 195767 201243 256003 259259 269841 302549 316239 339031 354571 357357 373737 400673 488733 557183 587301 629629 658489 737891 768009 777777 861101 872053 907647 1017093 1063713 1140377 1202019 1370369 1671549 1792021 1888887 1975467 2117843 2213673 2481997 2583303 2616159 3328039 3421131 3900281 4111107 4407403 4609423 5376063 6027707 6353529 7243379 7445991 9472111 9592583 9984117 11194313 11700843 12544147 13222209 13828269 14824901 18083121 21730137 23296273 27301967 28416333 28777749 32265961 33582939 37632441 42193949 44474703 50703653 66304777 69888819 78360191 81905901 96797883 123137443 126581847 152110959 163073911 198914331 235080573 354925571 369412329 464133439 489221733 548521337 861962101 1064776713 1392400317 1645564011 2585886303 6033734707 18101204121
• Sum of all divisors σ(n): 35893912320
• Sum of proper divisors (its aliquot sum) s(n): 17792708199
• 18101204121 is a deficient number, because the sum of its proper divisors (17792708199) is less than itself. Its deficiency is 308495922

Bases of 18101204121

• Binary: 10000110110111010100111010010011001₂
• Hexadecimal: 0x436EA7499
• Base-36: 8BCZMHL

Squares and roots of 18101204121

• 18101204121 squared (18101204121²) is 327653590630107382641
• 18101204121 cubed (18101204121³) is 5930924524974146741333793063561
• The square root of 18101204121 is 134540.7154767657
• The cube root of 18101204121 is 2625.6438811619

Scales and comparisons

• 18,101,204,121 seconds is equal to 575 years, 29 weeks, 1 day, 16 hours, 15 minutes, 21 seconds.
• To count from 1 to 18,101,204,121 would take you about one thousand, one hundred fifty-one 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 18101204121 cubic inches would be around 218.8 feet tall.

Recreational maths with 18101204121

• 18101204121 backwards is 12140210181
• 18101204121 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18101204121's digits is 21
• More coming soon!