13658843121

Names of 13658843121

• Cardinal: 13658843121 can be written as Thirteen billion, six hundred fifty-eight million, eight hundred forty-three thousand, one hundred twenty-one.

Scientific notation

• Scientific notation: 1.3658843121 × 10¹⁰

Factors of 13658843121

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 8093

Divisors of 13658843121

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 7 11 21 33 61 77 121 183 231 363 427 671 847 1281 1331 2013 2541 3993 4697 7381 8011 9317 14091 22143 24033 27951 51667 56077 81191 88121 155001 168231 243573 264363 488671 568337 616847 969331 1466013 1705011 1850541 2907993 3420697 5375381 6785317 10262091 10662641 16126143 20355951 31987923 37627667 59129191 74638487 112883001 177387573 223915461 413904337 650421101 1241713011 1951263303 4552947707 13658843121
• Sum of all divisors σ(n): 23271462912
• Sum of proper divisors (its aliquot sum) s(n): 9612619791
• 13658843121 is a deficient number, because the sum of its proper divisors (9612619791) is less than itself. Its deficiency is 4046223330

Bases of 13658843121

• Binary: 1100101110001000010110011111110001₂
• Hexadecimal: 0x32E2167F1
• Base-36: 69W4ESX

Squares and roots of 13658843121

• 13658843121 squared (13658843121²) is 186563995404089020641
• 13658843121 cubed (13658843121³) is 2548248345251416934853949860561
• The square root of 13658843121 is 116871.0533921895
• The cube root of 13658843121 is 2390.4039933191

Scales and comparisons

• 13,658,843,121 seconds is equal to 434 years, 16 weeks, 11 hours, 5 minutes, 21 seconds.
• To count from 1 to 13,658,843,121 would take you about eight hundred sixty-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 13658843121 cubic inches would be around 199.2 feet tall.

Recreational maths with 13658843121

• 13658843121 backwards is 12134885631
• The number of decimal digits it has is: 11
• The sum of 13658843121's digits is 42
• More coming soon!