12816357222420

Names of 12816357222420

• Cardinal: 12816357222420 can be written as Twelve trillion, eight hundred sixteen billion, three hundred fifty-seven million, two hundred twenty-two thousand, four hundred twenty.

Scientific notation

• Scientific notation: 1.281635722242 × 10¹³

Factors of 12816357222420

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 266847

Divisors of 12816357222420

• Number of divisors d(n): 54
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 266837 533674 800511 1067348 1334185 1601022 2401533 2668370 3202044 4002555 4803066 5336740 8005110 9606132 12007665 16010220 24015330 48030660 71201984569 142403969138 213605953707 284807938276 356009922845 427211907414 640817861121 712019845690 854423814828 1068029768535 1281635722242 1424039691380 2136059537070 2563271444484 3204089305605 4272119074140 6408178611210 12816357222420
• Sum of all divisors σ(n): 38876429268222
• Sum of proper divisors (its aliquot sum) s(n): 26060072045802
• 12816357222420 is an abundant number, because the sum of its proper divisors (26060072045802) is greater than itself. Its abundance is 13243714823382

Bases of 12816357222420

• Binary: 10111010100000001010011010110110100000010100₂
• Hexadecimal: 0xBA80A6B6814
• Base-36: 4JJR46JH0

Squares and roots of 12816357222420

• 12816357222420 squared (12816357222420²) is 164259012452677297350656400
• 12816357222420 cubed (12816357222420³) is 2105202180595447398365651083467796488000
• The square root of 12816357222420 is 3579994.0254726683
• The cube root of 12816357222420 is 23402.1019993175

Scales and comparisons

• 12,816,357,222,420 seconds is equal to 407,520 years, 26 weeks, 5 days, 20 hours, 27 minutes.
• To count from 1 to 12,816,357,222,420 would take you about one million, eighteen thousand, eight hundred one 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 12816357222420 cubic inches would be around 1950.2 feet tall.

Recreational maths with 12816357222420

• 12816357222420 backwards is 02422275361821
• 12816357222420 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 12816357222420's digits is 45
• More coming soon!