21197556364764

Names of 21197556364764

• Cardinal: 21197556364764 can be written as Twenty-one trillion, one hundred ninety-seven billion, five hundred fifty-six million, three hundred sixty-four thousand, seven hundred sixty-four.

Scientific notation

• Scientific notation: 2.1197556364764 × 10¹³

Factors of 21197556364764

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 884692

Divisors of 21197556364764

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 4 6 12 13 26 39 52 78 156 197837 395674 593511 686837 791348 1187022 1373674 2060511 2374044 2571881 2747348 4121022 5143762 7715643 8242044 8928881 10287524 15431286 17857762 26786643 30862572 35715524 53573286 107146572 135881771569 271763543138 407645314707 543527086276 815290629414 1630581258828 1766463030397 3532926060794 5299389091191 7065852121588 10598778182382 21197556364764
• Sum of all divisors σ(n): 53266001247648
• Sum of proper divisors (its aliquot sum) s(n): 32068444882884
• 21197556364764 is an abundant number, because the sum of its proper divisors (32068444882884) is greater than itself. Its abundance is 10870888518120

Bases of 21197556364764

• Binary: 100110100011101110000110100010011010111011100₂
• Hexadecimal: 0x134770D135DC
• Base-36: 7II0TR6CC

Squares and roots of 21197556364764

• 21197556364764 squared (21197556364764²) is 449336395837346766620775696
• 21197556364764 cubed (21197556364764³) is 9524833577502066068076779559059601975744
• The square root of 21197556364764 is 4604080.4038118187
• The cube root of 21197556364764 is 27675.4866453473

Scales and comparisons

• 21,197,556,364,764 seconds is equal to 674,016 years, 37 weeks, 4 days, 13 hours, 19 minutes, 24 seconds.
• To count from 1 to 21,197,556,364,764 would take you about one million, six hundred eighty-five thousand and forty-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 21197556364764 cubic inches would be around 2306.3 feet tall.

Recreational maths with 21197556364764

• 21197556364764 backwards is 46746365579112
• The number of decimal digits it has is: 14
• The sum of 21197556364764's digits is 66
• More coming soon!