13820187920

Names of 13820187920

• Cardinal: 13820187920 can be written as Thirteen billion, eight hundred twenty million, one hundred eighty-seven thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.382018792 × 10¹⁰

Factors of 13820187920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2243562

Divisors of 13820187920

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 5 7 8 10 11 14 16 20 22 28 35 40 44 55 56 70 77 80 88 110 112 140 154 176 220 280 308 385 440 560 616 770 880 1232 1540 3080 6160 2243537 4487074 8974148 11217685 15704759 17948296 22435370 24678907 31409518 35896592 44870740 49357814 62819036 78523795 89741480 98715628 123394535 125638072 157047590 172752349 179482960 197431256 246789070 251276144 314095180 345504698 394862512 493578140 628190360 691009396 863761745 987156280 1256380720 1382018792 1727523490 1974312560 2764037584 3455046980 6910093960 13820187920
• Sum of all divisors σ(n): 40060614528
• Sum of proper divisors (its aliquot sum) s(n): 26240426608
• 13820187920 is an abundant number, because the sum of its proper divisors (26240426608) is greater than itself. Its abundance is 12420238688

Bases of 13820187920

• Binary: 1100110111101111110101010100010000₂
• Hexadecimal: 0x337BF5510
• Base-36: 6CK6L8W

Squares and roots of 13820187920

• 13820187920 squared (13820187920²) is 190997594144113926400
• 13820187920 cubed (13820187920³) is 2639622643339546024737049088000
• The square root of 13820187920 is 117559.2953364387
• The cube root of 13820187920 is 2399.7793732375

Scales and comparisons

• 13,820,187,920 seconds is equal to 439 years, 22 weeks, 5 days, 21 hours, 5 minutes, 20 seconds.
• To count from 1 to 13,820,187,920 would take you about eight hundred seventy-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 13820187920 cubic inches would be around 200 feet tall.

Recreational maths with 13820187920

• 13820187920 backwards is 02978102831
• The number of decimal digits it has is: 11
• The sum of 13820187920's digits is 41
• More coming soon!