18678214347

Names of 18678214347

• Cardinal: 18678214347 can be written as Eighteen billion, six hundred seventy-eight million, two hundred fourteen thousand, three hundred forty-seven.

Scientific notation

• Scientific notation: 1.8678214347 × 10¹⁰

Factors of 18678214347

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 268

Divisors of 18678214347

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 13 17 19 39 51 57 79 137 221 237 247 323 411 663 741 969 1027 1343 1501 1781 2329 2603 3081 4029 4199 4503 5343 6987 7809 10823 12597 17459 18769 19513 25517 30277 32469 33839 44251 52377 56307 58539 76551 90831 101517 132753 140699 183991 205637 243997 319073 331721 356611 422097 551973 575263 616911 731991 957219 995163 1069833 1482751 1725789 2391883 2673281 3495829 4147949 4448253 4635943 6062387 7175649 8019843 10487487 12443847 13907829 18187161 19275763 25206767 28172269 45445777 57827289 75620301 78811031 84516807 136337331 236433093 327687971 366239497 478928573 983063913 1098718491 1436785719 6226071449 18678214347
• Sum of all divisors σ(n): 30493209600
• Sum of proper divisors (its aliquot sum) s(n): 11814995253
• 18678214347 is a deficient number, because the sum of its proper divisors (11814995253) is less than itself. Its deficiency is 6863219094

Bases of 18678214347

• Binary: 10001011001010011101110111011001011₂
• Hexadecimal: 0x4594EEECB
• Base-36: 8KWIYFF

Squares and roots of 18678214347

• 18678214347 squared (18678214347²) is 348875691192476636409
• 18678214347 cubed (18678214347³) is 6516374940550858648636886359923
• The square root of 18678214347 is 136668.2638618049
• The cube root of 18678214347 is 2653.2517029889

Scales and comparisons

• 18,678,214,347 seconds is equal to 593 years, 47 weeks, 2 days, 52 minutes, 27 seconds.
• To count from 1 to 18,678,214,347 would take you about one thousand, one hundred eighty-seven 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 18678214347 cubic inches would be around 221.1 feet tall.

Recreational maths with 18678214347

• 18678214347 backwards is 74341287681
• 18678214347 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18678214347's digits is 51
• More coming soon!