12808120800

Names of 12808120800

• Cardinal: 12808120800 can be written as Twelve billion, eight hundred eight million, one hundred twenty thousand, eight hundred.

Scientific notation

• Scientific notation: 1.28081208 × 10¹⁰

Factors of 12808120800

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 5336727

Divisors of 12808120800

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 75 80 96 100 120 150 160 200 240 300 400 480 600 800 1200 2400 5336717 10673434 16010151 21346868 26683585 32020302 42693736 53367170 64040604 80050755 85387472 106734340 128081208 133417925 160101510 170774944 213468680 256162416 266835850 320203020 400253775 426937360 512324832 533671700 640406040 800507550 853874720 1067343400 1280812080 1601015100 2134686800 2561624160 3202030200 4269373600 6404060400 12808120800
• Sum of all divisors σ(n): 41690441016
• Sum of proper divisors (its aliquot sum) s(n): 28882320216
• 12808120800 is an abundant number, because the sum of its proper divisors (28882320216) is greater than itself. Its abundance is 16074199416

Bases of 12808120800

• Binary: 1011111011011011000110100111100000₂
• Hexadecimal: 0x2FB6C69E0
• Base-36: 5VTMH9C

Squares and roots of 12808120800

• 12808120800 squared (12808120800²) is 164047958427392640000
• 12808120800 cubed (12808120800³) is 2101146068531422962150912000000
• The square root of 12808120800 is 113172.9685039675
• The cube root of 12808120800 is 2339.7087810571

Scales and comparisons

• 12,808,120,800 seconds is equal to 407 years, 13 weeks, 3 days, 3 hours, 20 minutes.
• To count from 1 to 12,808,120,800 would take you about eight hundred fourteen 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 12808120800 cubic inches would be around 195 feet tall.

Recreational maths with 12808120800

• 12808120800 backwards is 00802180821
• 12808120800 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12808120800's digits is 30
• More coming soon!