12120479385

Names of 12120479385

• Cardinal: 12120479385 can be written as Twelve billion, one hundred twenty million, four hundred seventy-nine thousand, three hundred eighty-five.

Scientific notation

• Scientific notation: 1.2120479385 × 10¹⁰

Factors of 12120479385

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 4777

Divisors of 12120479385

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 5 7 15 21 29 35 87 105 145 203 435 609 841 1015 2523 3045 4205 4733 5887 12615 14199 17661 23665 24389 29435 33131 70995 73167 88305 99393 121945 137257 165655 170723 365835 411771 496965 512169 686285 853615 960799 2058855 2560845 2882397 3980453 4803995 11941359 14411985 19902265 27863171 59706795 83589513 115433137 139315855 346299411 417947565 577165685 808031959 1731497055 2424095877 4040159795 12120479385
• Sum of all divisors σ(n): 22959521280
• Sum of proper divisors (its aliquot sum) s(n): 10839041895
• 12120479385 is a deficient number, because the sum of its proper divisors (10839041895) is less than itself. Its deficiency is 1281437490

Bases of 12120479385

• Binary: 1011010010011011111101011010011001₂
• Hexadecimal: 0x2D26FD699
• Base-36: 5KG7XQX

Squares and roots of 12120479385

• 12120479385 squared (12120479385²) is 146906020522209978225
• 12120479385 cubed (12120479385³) is 1780571393271832975717411391625
• The square root of 12120479385 is 110093.0487587659
• The cube root of 12120479385 is 2297.0649003211

Scales and comparisons

• 12,120,479,385 seconds is equal to 385 years, 20 weeks, 3 days, 7 hours, 49 minutes, 45 seconds.
• To count from 1 to 12,120,479,385 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 12120479385 cubic inches would be around 191.4 feet tall.

Recreational maths with 12120479385

• 12120479385 backwards is 58397402121
• The number of decimal digits it has is: 11
• The sum of 12120479385's digits is 42
• More coming soon!