13865638208

Names of 13865638208

• Cardinal: 13865638208 can be written as Thirteen billion, eight hundred sixty-five million, six hundred thirty-eight thousand, two hundred eight.

Scientific notation

• Scientific notation: 1.3865638208 × 10¹⁰

Factors of 13865638208

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 170277

Divisors of 13865638208

• Number of divisors d(n): 56
• Complete list of divisors:
  1 2 4 8 16 19 32 38 64 67 76 134 152 268 304 536 608 1072 1216 1273 2144 2546 4288 5092 10184 20368 40736 81472 170189 340378 680756 1361512 2723024 3233591 5446048 6467182 10892096 11402663 12934364 22805326 25868728 45610652 51737456 91221304 103474912 182442608 206949824 216650597 364885216 433301194 729770432 866602388 1733204776 3466409552 6932819104 13865638208
• Sum of all divisors σ(n): 29395216800
• Sum of proper divisors (its aliquot sum) s(n): 15529578592
• 13865638208 is an abundant number, because the sum of its proper divisors (15529578592) is greater than itself. Its abundance is 1663940384

Bases of 13865638208

• Binary: 1100111010011101001101100101000000₂
• Hexadecimal: 0x33A74D940
• Base-36: 6DB8QWW

Squares and roots of 13865638208

• 13865638208 squared (13865638208²) is 192255922915149451264
• 13865638208 cubed (13865638208³) is 2665751070486598973476352294912
• The square root of 13865638208 is 117752.4445945815
• The cube root of 13865638208 is 2402.4072032831

Scales and comparisons

• 13,865,638,208 seconds is equal to 440 years, 45 weeks, 6 days, 22 hours, 10 minutes, 8 seconds.
• To count from 1 to 13,865,638,208 would take you about eight hundred eighty-one 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 13865638208 cubic inches would be around 200.2 feet tall.

Recreational maths with 13865638208

• 13865638208 backwards is 80283656831
• The number of decimal digits it has is: 11
• The sum of 13865638208's digits is 50
• More coming soon!