21537329914128

Names of 21537329914128

• Cardinal: 21537329914128 can be written as Twenty-one trillion, five hundred thirty-seven billion, three hundred twenty-nine million, nine hundred fourteen thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 2.1537329914128 × 10¹³

Factors of 21537329914128

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 64099196185

Divisors of 21537329914128

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 168 336 64099196173 128198392346 192297588519 256396784692 384595177038 448694373211 512793569384 769190354076 897388746422 1025587138768 1346083119633 1538380708152 1794777492844 2692166239266 3076761416304 3589554985688 5384332478532 7179109971376 10768664957064 21537329914128
• Sum of all divisors σ(n): 63586402604608
• Sum of proper divisors (its aliquot sum) s(n): 42049072690480
• 21537329914128 is an abundant number, because the sum of its proper divisors (42049072690480) is greater than itself. Its abundance is 20511742776352

Bases of 21537329914128

• Binary: 100111001011010001100111001100010000100010000₂
• Hexadecimal: 0x13968CE62110
• Base-36: 7MU425IXC

Squares and roots of 21537329914128

• 21537329914128 squared (21537329914128²) is 463856579829992803854000384
• 21537329914128 cubed (21537329914128³) is 9990232192637606691067736037783999025152
• The square root of 21537329914128 is 4640832.8901316841
• The cube root of 21537329914128 is 27822.5727653185

Scales and comparisons

• 21,537,329,914,128 seconds is equal to 684,820 years, 24 weeks, 3 days, 18 hours, 48 minutes, 48 seconds.
• To count from 1 to 21,537,329,914,128 would take you about one million, seven hundred twelve thousand and fifty-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 21537329914128 cubic inches would be around 2318.5 feet tall.

Recreational maths with 21537329914128

• 21537329914128 backwards is 82141992373512
• The number of decimal digits it has is: 14
• The sum of 21537329914128's digits is 57
• More coming soon!