13421449690

Names of 13421449690

• Cardinal: 13421449690 can be written as Thirteen billion, four hundred twenty-one million, four hundred forty-nine thousand, six hundred ninety.

Scientific notation

• Scientific notation: 1.342144969 × 10¹⁰

Factors of 13421449690

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 135799

Divisors of 13421449690

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 5 10 11 22 29 31 55 58 62 110 145 155 290 310 319 341 638 682 899 1595 1705 1798 3190 3410 4495 8990 9889 19778 49445 98890 135721 271442 678605 1357210 1492931 2985862 3935909 4207351 7464655 7871818 8414702 14929310 19679545 21036755 39359090 42073510 43294999 46280861 86589998 92561722 122013179 216474995 231404305 244026358 432949990 462808610 610065895 1220131790 1342144969 2684289938 6710724845 13421449690
• Sum of all divisors σ(n): 28143313920
• Sum of proper divisors (its aliquot sum) s(n): 14721864230
• 13421449690 is an abundant number, because the sum of its proper divisors (14721864230) is greater than itself. Its abundance is 1300414540

Bases of 13421449690

• Binary: 1100011111111110110001000111011010₂
• Hexadecimal: 0x31FFB11DA
• Base-36: 65YS8UY

Squares and roots of 13421449690

• 13421449690 squared (13421449690²) is 180135311781201096100
• 13421449690 cubed (13421449690³) is 2417677024463854799079005209000
• The square root of 13421449690 is 115850.9805310253
• The cube root of 13421449690 is 2376.4744124285

Scales and comparisons

• 13,421,449,690 seconds is equal to 426 years, 39 weeks, 3 days, 20 hours, 28 minutes, 10 seconds.
• To count from 1 to 13,421,449,690 would take you about eight hundred fifty-three 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 13421449690 cubic inches would be around 198 feet tall.

Recreational maths with 13421449690

• 13421449690 backwards is 09694412431
• The number of decimal digits it has is: 11
• The sum of 13421449690's digits is 43
• More coming soon!