12964163840

Names of 12964163840

• Cardinal: 12964163840 can be written as Twelve billion, nine hundred sixty-four million, one hundred sixty-three thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.296416384 × 10¹⁰

Factors of 12964163840

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 10128260

Divisors of 12964163840

• Number of divisors d(n): 36
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 640 1280 10128253 20256506 40513012 50641265 81026024 101282530 162052048 202565060 324104096 405130120 648208192 810260240 1296416384 1620520480 2592832768 3241040960 6482081920 12964163840
• Sum of all divisors σ(n): 31053226764
• Sum of proper divisors (its aliquot sum) s(n): 18089062924
• 12964163840 is an abundant number, because the sum of its proper divisors (18089062924) is greater than itself. Its abundance is 5124899084

Bases of 12964163840

• Binary: 1100000100101110010111000100000000₂
• Hexadecimal: 0x304B97100
• Base-36: 5YEJ0U8

Squares and roots of 12964163840

• 12964163840 squared (12964163840²) is 168069544070363545600
• 12964163840 cubed (12964163840³) is 2178881105842293493521711104000
• The square root of 12964163840 is 113860.2821004763
• The cube root of 12964163840 is 2349.1721145941

Scales and comparisons

• 12,964,163,840 seconds is equal to 412 years, 11 weeks, 3 days, 4 hours, 37 minutes, 20 seconds.
• To count from 1 to 12,964,163,840 would take you about eight hundred twenty-four 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 12964163840 cubic inches would be around 195.8 feet tall.

Recreational maths with 12964163840

• 12964163840 backwards is 04836146921
• The number of decimal digits it has is: 11
• The sum of 12964163840's digits is 44
• More coming soon!