12120516864

Names of 12120516864

• Cardinal: 12120516864 can be written as Twelve billion, one hundred twenty million, five hundred sixteen thousand, eight hundred sixty-four.

Scientific notation

• Scientific notation: 1.2120516864 × 10¹⁰

Factors of 12120516864

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1753552

Divisors of 12120516864

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 96 108 128 144 192 216 256 288 384 432 576 768 864 1152 1728 2304 3456 6912 1753547 3507094 5260641 7014188 10521282 14028376 15781923 21042564 28056752 31563846 42085128 47345769 56113504 63127692 84170256 94691538 112227008 126255384 168340512 189383076 224454016 252510768 336681024 378766152 448908032 505021536 673362048 757532304 1010043072 1346724096 1515064608 2020086144 3030129216 4040172288 6060258432 12120516864
• Sum of all divisors σ(n): 35842521120
• Sum of proper divisors (its aliquot sum) s(n): 23722004256
• 12120516864 is an abundant number, because the sum of its proper divisors (23722004256) is greater than itself. Its abundance is 11601487392

Bases of 12120516864

• Binary: 1011010010011100000110100100000000₂
• Hexadecimal: 0x2D2706900
• Base-36: 5KG8QO0

Squares and roots of 12120516864

• 12120516864 squared (12120516864²) is 146906929050508394496
• 12120516864 cubed (12120516864³) is 1780587910995138503262332780544
• The square root of 12120516864 is 110093.2189737405
• The cube root of 12120516864 is 2297.0672679833

Scales and comparisons

• 12,120,516,864 seconds is equal to 385 years, 20 weeks, 3 days, 18 hours, 14 minutes, 24 seconds.
• To count from 1 to 12,120,516,864 would take you about seven hundred seventy 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 12120516864 cubic inches would be around 191.4 feet tall.

Recreational maths with 12120516864

• 12120516864 backwards is 46861502121
• 12120516864 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12120516864's digits is 36
• More coming soon!