18213746004

Names of 18213746004

• Cardinal: 18213746004 can be written as Eighteen billion, two hundred thirteen million, seven hundred forty-six thousand and four.

Scientific notation

• Scientific notation: 1.8213746004 × 10¹⁰

Factors of 18213746004

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2884

Divisors of 18213746004

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 9 12 18 36 317 634 951 1069 1268 1493 1902 2138 2853 2986 3207 3804 4276 4479 5706 5972 6414 8958 9621 11412 12828 13437 17916 19242 26874 38484 53748 338873 473281 677746 946562 1016619 1355492 1419843 1596017 1893124 2033238 2839686 3049857 3192034 4066476 4259529 4788051 5679372 6099714 6384068 8519058 9576102 12199428 14364153 17038116 19152204 28728306 57456612 505937389 1011874778 1517812167 2023749556 3035624334 4553436501 6071248668 9106873002 18213746004
• Sum of all divisors σ(n): 46259708040
• Sum of proper divisors (its aliquot sum) s(n): 28045962036
• 18213746004 is an abundant number, because the sum of its proper divisors (28045962036) is greater than itself. Its abundance is 9832216032

Bases of 18213746004

• Binary: 10000111101100111111011010101010100₂
• Hexadecimal: 0x43D9FB554
• Base-36: 8D7ZSD0

Squares and roots of 18213746004

• 18213746004 squared (18213746004²) is 331740543498225968016
• 18213746004 cubed (18213746004³) is 6042237998505601406040451808064
• The square root of 18213746004 is 134958.3120967361
• The cube root of 18213746004 is 2631.0741757559

Scales and comparisons

• 18,213,746,004 seconds is equal to 579 years, 7 weeks, 2 days, 5 hours, 53 minutes, 24 seconds.
• To count from 1 to 18,213,746,004 would take you about one thousand, one hundred fifty-eight 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 18213746004 cubic inches would be around 219.3 feet tall.

Recreational maths with 18213746004

• 18213746004 backwards is 40064731281
• 18213746004 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18213746004's digits is 36
• More coming soon!