18873049824

Names of 18873049824

• Cardinal: 18873049824 can be written as Eighteen billion, eight hundred seventy-three million, forty-nine thousand, eight hundred twenty-four.

Scientific notation

• Scientific notation: 1.8873049824 × 10¹⁰

Factors of 18873049824

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 75269

Divisors of 18873049824

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 288 881 1762 2643 3524 5286 7048 7929 10572 14096 15858 21144 28192 31716 42288 63432 74383 84576 126864 148766 223149 253728 297532 446298 595064 669447 892596 1190128 1338894 1785192 2380256 2677788 3570384 5355576 7140768 10711152 21422304 65531423 131062846 196594269 262125692 393188538 524251384 589782807 786377076 1048502768 1179565614 1572754152 2097005536 2359131228 3145508304 4718262456 6291016608 9436524912 18873049824
• Sum of all divisors σ(n): 53731877472
• Sum of proper divisors (its aliquot sum) s(n): 34858827648
• 18873049824 is an abundant number, because the sum of its proper divisors (34858827648) is greater than itself. Its abundance is 15985777824

Bases of 18873049824

• Binary: 10001100100111010111110001011100000₂
• Hexadecimal: 0x464EBE2E0
• Base-36: 8O4IYG0

Squares and roots of 18873049824

• 18873049824 squared (18873049824²) is 356192009659186430976
• 18873049824 cubed (18873049824³) is 6722429545208514771114784948224
• The square root of 18873049824 is 137379.2190398533
• The cube root of 18873049824 is 2662.4453093575

Scales and comparisons

• 18,873,049,824 seconds is equal to 600 years, 5 weeks, 3 days, 1 hour, 50 minutes, 24 seconds.
• To count from 1 to 18,873,049,824 would take you about one thousand, two hundred 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 18873049824 cubic inches would be around 221.9 feet tall.

Recreational maths with 18873049824

• 18873049824 backwards is 42894037881
• The number of decimal digits it has is: 11
• The sum of 18873049824's digits is 54
• More coming soon!