16808381856

Names of 16808381856

• Cardinal: 16808381856 can be written as Sixteen billion, eight hundred eight million, three hundred eighty-one thousand, eight hundred fifty-six.

Scientific notation

• Scientific notation: 1.6808381856 × 10¹⁰

Factors of 16808381856

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 8337503

Divisors of 16808381856

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 56 63 72 84 96 112 126 144 168 224 252 288 336 504 672 1008 2016 8337491 16674982 25012473 33349964 50024946 58362437 66699928 75037419 100049892 116724874 133399856 150074838 175087311 200099784 233449748 266799712 300149676 350174622 400199568 466899496 525261933 600299352 700349244 800399136 933798992 1050523866 1200598704 1400698488 1867597984 2101047732 2401197408 2801396976 4202095464 5602793952 8404190928 16808381856
• Sum of all divisors σ(n): 54627247584
• Sum of proper divisors (its aliquot sum) s(n): 37818865728
• 16808381856 is an abundant number, because the sum of its proper divisors (37818865728) is greater than itself. Its abundance is 21010483872

Bases of 16808381856

• Binary: 1111101001110110111000110110100000₂
• Hexadecimal: 0x3E9DB8DA0
• Base-36: 7PZ9YG0

Squares and roots of 16808381856

• 16808381856 squared (16808381856²) is 282521700617110004736
• 16808381856 cubed (16808381856³) is 4748732626578895806760656470016
• The square root of 16808381856 is 129647.1436476717
• The cube root of 16808381856 is 2561.5841968631

Scales and comparisons

• 16,808,381,856 seconds is equal to 534 years, 23 weeks, 4 days, 10 hours, 57 minutes, 36 seconds.
• To count from 1 to 16,808,381,856 would take you about one thousand and 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 16808381856 cubic inches would be around 213.5 feet tall.

Recreational maths with 16808381856

• 16808381856 backwards is 65818380861
• The number of decimal digits it has is: 11
• The sum of 16808381856's digits is 54
• More coming soon!