12105977142

Names of 12105977142

• Cardinal: 12105977142 can be written as Twelve billion, one hundred five million, nine hundred seventy-seven thousand, one hundred forty-two.

Scientific notation

• Scientific notation: 1.2105977142 × 10¹⁰

Factors of 12105977142

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 87876

Divisors of 12105977142

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 7 14 21 42 49 67 98 134 147 201 294 343 402 469 686 938 1029 1407 2058 2814 3283 6566 9849 19698 22981 45962 68943 87797 137886 175594 263391 526782 614579 1229158 1843737 3687474 4302053 5882399 8604106 11764798 12906159 17647197 25812318 30114371 35294394 41176793 60228742 82353586 90343113 123530379 180686226 247060758 288237551 576475102 864712653 1729425306 2017662857 4035325714 6052988571 12105977142
• Sum of all divisors σ(n): 28657267200
• Sum of proper divisors (its aliquot sum) s(n): 16551290058
• 12105977142 is an abundant number, because the sum of its proper divisors (16551290058) is greater than itself. Its abundance is 4445312916

Bases of 12105977142

• Binary: 1011010001100100101000110100110110₂
• Hexadecimal: 0x2D1928D36
• Base-36: 5K7L3QU

Squares and roots of 12105977142

• 12105977142 squared (12105977142²) is 146554682562626488164
• 12105977142 cubed (12105977142³) is 1774187637156222249197117547288
• The square root of 12105977142 is 110027.1654728959
• The cube root of 12105977142 is 2296.1483829843

Scales and comparisons

• 12,105,977,142 seconds is equal to 384 years, 48 weeks, 3 days, 11 hours, 25 minutes, 42 seconds.
• To count from 1 to 12,105,977,142 would take you about seven hundred sixty-nine 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 12105977142 cubic inches would be around 191.3 feet tall.

Recreational maths with 12105977142

• 12105977142 backwards is 24177950121
• The number of decimal digits it has is: 11
• The sum of 12105977142's digits is 39
• More coming soon!