18243840984

Names of 18243840984

• Cardinal: 18243840984 can be written as Eighteen billion, two hundred forty-three million, eight hundred forty thousand, nine hundred eighty-four.

Scientific notation

• Scientific notation: 1.8243840984 × 10¹⁰

Factors of 18243840984

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 433

Divisors of 18243840984

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 8 12 24 79 158 237 316 349 474 632 698 948 1047 1396 1896 2094 2792 4188 6241 8376 12482 18723 24964 27571 37446 49928 55142 74892 82713 110284 121801 149784 165426 220568 243602 330852 365403 487204 661704 730806 974408 1461612 2178109 2923224 4356218 6534327 8712436 9622279 13068654 17424872 19244558 26137308 28866837 38489116 52274616 57733674 76978232 115467348 230934696 760160041 1520320082 2280480123 3040640164 4560960246 6081280328 9121920492 18243840984
• Sum of all divisors σ(n): 46326988260
• Sum of proper divisors (its aliquot sum) s(n): 28083147276
• 18243840984 is an abundant number, because the sum of its proper divisors (28083147276) is greater than itself. Its abundance is 9839306292

Bases of 18243840984

• Binary: 10000111111011010101110101111011000₂
• Hexadecimal: 0x43F6AEBD8
• Base-36: 8DPWTSO

Squares and roots of 18243840984

• 18243840984 squared (18243840984²) is 332837733849478088256
• 18243840984 cubed (18243840984³) is 6072238689824792433534781883904
• The square root of 18243840984 is 135069.7633965501
• The cube root of 18243840984 is 2632.5225059201

Scales and comparisons

• 18,243,840,984 seconds is equal to 580 years, 5 weeks, 13 hours, 36 minutes, 24 seconds.
• To count from 1 to 18,243,840,984 would take you about one thousand, one hundred sixty 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 18243840984 cubic inches would be around 219.4 feet tall.

Recreational maths with 18243840984

• 18243840984 backwards is 48904834281
• The number of decimal digits it has is: 11
• The sum of 18243840984's digits is 51
• More coming soon!