13218788830

Names of 13218788830

• Cardinal: 13218788830 can be written as Thirteen billion, two hundred eighteen million, seven hundred eighty-eight thousand, eight hundred thirty.

Scientific notation

• Scientific notation: 1.321878883 × 10¹⁰

Factors of 13218788830

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 756

Divisors of 13218788830

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 5 10 13 26 53 65 106 130 265 530 683 689 1366 1378 2809 3415 3445 5618 6830 6890 8879 14045 17758 28090 36199 36517 44395 72398 73034 88790 148877 180995 182585 297754 361990 365170 470587 744385 941174 1488770 1918547 1935401 2352935 3837094 3870802 4705870 9592735 9677005 19185470 19354010 24941111 49882222 101682991 124705555 203365982 249411110 508414955 1016829910 1321878883 2643757766 6609394415 13218788830
• Sum of all divisors σ(n): 26155120320
• Sum of proper divisors (its aliquot sum) s(n): 12936331490
• 13218788830 is a deficient number, because the sum of its proper divisors (12936331490) is less than itself. Its deficiency is 282457340

Bases of 13218788830

• Binary: 1100010011111001101011010111011110₂
• Hexadecimal: 0x313E6B5DE
• Base-36: 62M4IQM

Squares and roots of 13218788830

• 13218788830 squared (13218788830²) is 174736378132132768900
• 13218788830 cubed (13218788830³) is 2309803283447692909612291387000
• The square root of 13218788830 is 114972.9917415391
• The cube root of 13218788830 is 2364.4522883637

Scales and comparisons

• 13,218,788,830 seconds is equal to 420 years, 16 weeks, 3 days, 5 hours, 47 minutes, 10 seconds.
• To count from 1 to 13,218,788,830 would take you about eight hundred forty 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 13218788830 cubic inches would be around 197 feet tall.

Recreational maths with 13218788830

• 13218788830 backwards is 03888781231
• The number of decimal digits it has is: 11
• The sum of 13218788830's digits is 49
• More coming soon!