12821537136

Names of 12821537136

• Cardinal: 12821537136 can be written as Twelve billion, eight hundred twenty-one million, five hundred thirty-seven thousand, one hundred thirty-six.

Scientific notation

• Scientific notation: 1.2821537136 × 10¹⁰

Factors of 12821537136

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 14058727

Divisors of 12821537136

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 3 4 6 8 12 16 19 24 38 48 57 76 114 152 228 304 456 912 14058703 28117406 42176109 56234812 84352218 112469624 168704436 224939248 267115357 337408872 534230714 674817744 801346071 1068461428 1602692142 2136922856 3205384284 4273845712 6410768568 12821537136
• Sum of all divisors σ(n): 34865585920
• Sum of proper divisors (its aliquot sum) s(n): 22044048784
• 12821537136 is an abundant number, because the sum of its proper divisors (22044048784) is greater than itself. Its abundance is 9222511648

Bases of 12821537136

• Binary: 1011111100001110010010000101110000₂
• Hexadecimal: 0x2FC392170
• Base-36: 5W1M1DC

Squares and roots of 12821537136

• 12821537136 squared (12821537136²) is 164391814529827082496
• 12821537136 cubed (12821537136³) is 2107755754848602317880999571456
• The square root of 12821537136 is 113232.2265788325
• The cube root of 12821537136 is 2340.5254339109

Scales and comparisons

• 12,821,537,136 seconds is equal to 407 years, 35 weeks, 4 days, 10 hours, 5 minutes, 36 seconds.
• To count from 1 to 12,821,537,136 would take you about eight hundred fifteen 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 12821537136 cubic inches would be around 195 feet tall.

Recreational maths with 12821537136

• 12821537136 backwards is 63173512821
• The number of decimal digits it has is: 11
• The sum of 12821537136's digits is 39
• More coming soon!