12789122320

Names of 12789122320

• Cardinal: 12789122320 can be written as Twelve billion, seven hundred eighty-nine million, one hundred twenty-two thousand, three hundred twenty.

Scientific notation

• Scientific notation: 1.278912232 × 10¹⁰

Factors of 12789122320

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 945961

Divisors of 12789122320

• Number of divisors d(n): 60
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 26 40 52 65 80 104 130 169 208 260 338 520 676 845 1040 1352 1690 2704 3380 6760 13520 945941 1891882 3783764 4729705 7567528 9459410 12297233 15135056 18918820 24594466 37837640 49188932 61486165 75675280 98377864 122972330 159864029 196755728 245944660 319728058 491889320 639456116 799320145 983778640 1278912232 1598640290 2557824464 3197280580 6394561160 12789122320
• Sum of all divisors σ(n): 32197973796
• Sum of proper divisors (its aliquot sum) s(n): 19408851476
• 12789122320 is an abundant number, because the sum of its proper divisors (19408851476) is greater than itself. Its abundance is 6619729156

Bases of 12789122320

• Binary: 1011111010010010101000010100010000₂
• Hexadecimal: 0x2FA4A8510
• Base-36: 5VIB9XS

Squares and roots of 12789122320

• 12789122320 squared (12789122320²) is 163561649715922182400
• 12789122320 cubed (12789122320³) is 2091809945077922042314951168000
• The square root of 12789122320 is 113089.0017640973
• The cube root of 12789122320 is 2338.5513667483

Scales and comparisons

• 12,789,122,320 seconds is equal to 406 years, 34 weeks, 5 hours, 58 minutes, 40 seconds.
• To count from 1 to 12,789,122,320 would take you about eight hundred thirteen 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 12789122320 cubic inches would be around 194.9 feet tall.

Recreational maths with 12789122320

• 12789122320 backwards is 02322198721
• The number of decimal digits it has is: 11
• The sum of 12789122320's digits is 37
• More coming soon!