12864444720

Names of 12864444720

• Cardinal: 12864444720 can be written as Twelve billion, eight hundred sixty-four million, four hundred forty-four thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.286444472 × 10¹⁰

Factors of 12864444720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 116744

Divisors of 12864444720

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 461 922 1383 1844 2305 2766 3688 4610 5532 6915 7376 9220 11064 13830 18440 22128 27660 36880 55320 110640 116273 232546 348819 465092 581365 697638 930184 1162730 1395276 1744095 1860368 2325460 2790552 3488190 4650920 5581104 6976380 9301840 13952760 27905520 53601853 107203706 160805559 214407412 268009265 321611118 428814824 536018530 643222236 804027795 857629648 1072037060 1286444472 1608055590 2144074120 2572888944 3216111180 4288148240 6432222360 12864444720
• Sum of all divisors σ(n): 39966629472
• Sum of proper divisors (its aliquot sum) s(n): 27102184752
• 12864444720 is an abundant number, because the sum of its proper divisors (27102184752) is greater than itself. Its abundance is 14237740032

Bases of 12864444720

• Binary: 1011111110110001111101100100110000₂
• Hexadecimal: 0x2FEC7D930
• Base-36: 5WR5P2O

Squares and roots of 12864444720

• 12864444720 squared (12864444720²) is 165493937953935878400
• 12864444720 cubed (12864444720³) is 2128987616303518014101442048000
• The square root of 12864444720 is 113421.5355212581
• The cube root of 12864444720 is 2343.1334018445

Scales and comparisons

• 12,864,444,720 seconds is equal to 409 years, 2 weeks, 4 days, 52 minutes.
• To count from 1 to 12,864,444,720 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 12864444720 cubic inches would be around 195.3 feet tall.

Recreational maths with 12864444720

• 12864444720 backwards is 02744446821
• The number of decimal digits it has is: 11
• The sum of 12864444720's digits is 42
• More coming soon!