12821918847444

Names of 12821918847444

• Cardinal: 12821918847444 can be written as Twelve trillion, eight hundred twenty-one billion, nine hundred eighteen million, eight hundred forty-seven thousand, four hundred forty-four.

Scientific notation

• Scientific notation: 1.2821918847444 × 10¹³

Factors of 12821918847444

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2677927944

Divisors of 12821918847444

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 19 21 28 36 38 42 57 63 76 84 114 126 133 171 228 252 266 342 399 532 684 798 1197 1596 2394 4788 2677927913 5355855826 8033783739 10711711652 16067567478 18745495391 24101351217 32135134956 37490990782 48202702434 50880630347 56236486173 74981981564 96405404868 101761260694 112472972346 152641891041 168709458519 203522521388 224945944692 305283782082 337418917038 356164412429 457925673123 610567564164 674837834076 712328824858 915851346246 1068493237287 1424657649716 1831702692492 2136986474574 3205479711861 4273972949148 6410959423722 12821918847444
• Sum of all divisors σ(n): 38990630427840
• Sum of proper divisors (its aliquot sum) s(n): 26168711580396
• 12821918847444 is an abundant number, because the sum of its proper divisors (26168711580396) is greater than itself. Its abundance is 13346792732952

Bases of 12821918847444

• Binary: 10111010100101010101111010110001000111010100₂
• Hexadecimal: 0xBA955EB11D4
• Base-36: 4JMB3FGT0

Squares and roots of 12821918847444

• 12821918847444 squared (12821918847444²) is 164401602930439673345333136
• 12821918847444 cubed (12821918847444³) is 2107944011163809189364165690937342104384
• The square root of 12821918847444 is 3580770.7057900257
• The cube root of 12821918847444 is 23405.4866036361

Scales and comparisons

• 12,821,918,847,444 seconds is equal to 407,697 years, 18 weeks, 4 days, 12 hours, 17 minutes, 24 seconds.
• To count from 1 to 12,821,918,847,444 would take you about one million, nineteen thousand, two hundred forty-three 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 12821918847444 cubic inches would be around 1950.5 feet tall.

Recreational maths with 12821918847444

• 12821918847444 backwards is 44474881912821
• 12821918847444 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 12821918847444's digits is 63
• More coming soon!