12842821328

Names of 12842821328

• Cardinal: 12842821328 can be written as Twelve billion, eight hundred forty-two million, eight hundred twenty-one thousand, three hundred twenty-eight.

Scientific notation

• Scientific notation: 1.2842821328 × 10¹⁰

Factors of 12842821328

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 34653

Divisors of 12842821328

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 4 8 16 23 46 92 184 368 1039 2078 4156 8312 16624 23897 33589 47794 67178 95588 134356 191176 268712 382352 537424 772547 1545094 3090188 6180376 12360752 34898971 69797942 139595884 279191768 558383536 802676333 1605352666 3210705332 6421410664 12842821328
• Sum of all divisors σ(n): 25990598400
• Sum of proper divisors (its aliquot sum) s(n): 13147777072
• 12842821328 is an abundant number, because the sum of its proper divisors (13147777072) is greater than itself. Its abundance is 304955744

Bases of 12842821328

• Binary: 1011111101011111011110011011010000₂
• Hexadecimal: 0x2FD7DE6D0
• Base-36: 5WEA8CW

Squares and roots of 12842821328

• 12842821328 squared (12842821328²) is 164938059662931683584
• 12842821328 cubed (12842821328³) is 2118270030438035516939542679552
• The square root of 12842821328 is 113326.1722992531
• The cube root of 12842821328 is 2341.8198354597

Scales and comparisons

• 12,842,821,328 seconds is equal to 408 years, 18 weeks, 5 days, 18 hours, 22 minutes, 8 seconds.
• To count from 1 to 12,842,821,328 would take you about eight hundred sixteen 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 12842821328 cubic inches would be around 195.2 feet tall.

Recreational maths with 12842821328

• 12842821328 backwards is 82312824821
• The number of decimal digits it has is: 11
• The sum of 12842821328's digits is 41
• More coming soon!