18309223842

Names of 18309223842

• Cardinal: 18309223842 can be written as Eighteen billion, three hundred nine million, two hundred twenty-three thousand, eight hundred forty-two.

Scientific notation

• Scientific notation: 1.8309223842 × 10¹⁰

Factors of 18309223842

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 11607

Divisors of 18309223842

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 7 13 14 21 26 39 42 78 91 182 273 546 5743 5839 11486 11678 17229 17517 34458 35034 40201 40873 74659 75907 80402 81746 120603 122619 149318 151814 223977 227721 241206 245238 447954 455442 522613 531349 1045226 1062698 1567839 1594047 3135678 3188094 33533377 67066754 100600131 201200262 234733639 435933901 469467278 704200917 871867802 1307801703 1408401834 2615603406 3051537307 6103074614 9154611921 18309223842
• Sum of all divisors σ(n): 45084426240
• Sum of proper divisors (its aliquot sum) s(n): 26775202398
• 18309223842 is an abundant number, because the sum of its proper divisors (26775202398) is greater than itself. Its abundance is 8465978556

Bases of 18309223842

• Binary: 10001000011010100001001010110100010₂
• Hexadecimal: 0x4435095A2
• Base-36: 8ESU7J6

Squares and roots of 18309223842

• 18309223842 squared (18309223842²) is 335227677696461240964
• 18309223842 cubed (18309223842³) is 6137758588978339792086975863688
• The square root of 18309223842 is 135311.5805908719
• The cube root of 18309223842 is 2635.6635958395

Scales and comparisons

• 18,309,223,842 seconds is equal to 582 years, 9 weeks, 1 day, 7 hours, 30 minutes, 42 seconds.
• To count from 1 to 18,309,223,842 would take you about one thousand, one hundred sixty-four 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 18309223842 cubic inches would be around 219.6 feet tall.

Recreational maths with 18309223842

• 18309223842 backwards is 24832290381
• 18309223842 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18309223842's digits is 42
• More coming soon!