12864311200

Names of 12864311200

• Cardinal: 12864311200 can be written as Twelve billion, eight hundred sixty-four million, three hundred eleven thousand, two hundred.

Scientific notation

• Scientific notation: 1.28643112 × 10¹⁰

Factors of 12864311200

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1236973

Divisors of 12864311200

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 25 26 32 40 50 52 65 80 100 104 130 160 200 208 260 325 400 416 520 650 800 1040 1300 2080 2600 5200 10400 1236953 2473906 4947812 6184765 9895624 12369530 16080389 19791248 24739060 30923825 32160778 39582496 49478120 61847650 64321556 80401945 98956240 123695300 128643112 160803890 197912480 247390600 257286224 321607780 402009725 494781200 514572448 643215560 804019450 989562400 1286431120 1608038900 2572862240 3216077800 6432155600 12864311200
• Sum of all divisors σ(n): 33820796268
• Sum of proper divisors (its aliquot sum) s(n): 20956485068
• 12864311200 is an abundant number, because the sum of its proper divisors (20956485068) is greater than itself. Its abundance is 8092173868

Bases of 12864311200

• Binary: 1011111110110001011100111110100000₂
• Hexadecimal: 0x2FEC5CFA0
• Base-36: 5WR2U1S

Squares and roots of 12864311200

• 12864311200 squared (12864311200²) is 165490502650445440000
• 12864311200 cubed (12864311200³) is 2128921326739754958780928000000
• The square root of 12864311200 is 113420.9469189885
• The cube root of 12864311200 is 2343.1252953605

Scales and comparisons

• 12,864,311,200 seconds is equal to 409 years, 2 weeks, 2 days, 11 hours, 46 minutes, 40 seconds.
• To count from 1 to 12,864,311,200 would take you about eight hundred eighteen 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 12864311200 cubic inches would be around 195.3 feet tall.

Recreational maths with 12864311200

• 12864311200 backwards is 00211346821
• The number of decimal digits it has is: 11
• The sum of 12864311200's digits is 28
• More coming soon!