21743728188208

Names of 21743728188208

• Cardinal: 21743728188208 can be written as Twenty-one trillion, seven hundred forty-three billion, seven hundred twenty-eight million, one hundred eighty-eight thousand, two hundred eight.

Scientific notation

• Scientific notation: 2.1743728188208 × 10¹³

Factors of 21743728188208

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 199880375

Divisors of 21743728188208

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 4 8 13 16 26 52 104 208 523 1046 2092 4184 6799 8368 13598 27196 54392 108784 199879837 399759674 799519348 1599038696 2598437881 3198077392 5196875762 10393751524 20787503048 41575006096 104537154751 209074309502 418148619004 836297238008 1358983011763 1672594476016 2717966023526 5435932047052 10871864094104 21743728188208
• Sum of all divisors σ(n): 45455873238608
• Sum of proper divisors (its aliquot sum) s(n): 23712145050400
• 21743728188208 is an abundant number, because the sum of its proper divisors (23712145050400) is greater than itself. Its abundance is 1968416862192

Bases of 21743728188208

• Binary: 100111100011010011011001100011101101100110000₂
• Hexadecimal: 0x13C69B31DB30
• Base-36: 7PGXICUGG

Squares and roots of 21743728188208

• 21743728188208 squared (21743728188208²) is 472789715522671154270251264
• 21743728188208 cubed (21743728188208³) is 10280211064505146190989274578967641894912
• The square root of 21743728188208 is 4663017.0692597727
• The cube root of 21743728188208 is 27911.1675287995

Scales and comparisons

• 21,743,728,188,208 seconds is equal to 691,383 years, 15 weeks, 3 days, 16 hours, 43 minutes, 28 seconds.
• To count from 1 to 21,743,728,188,208 would take you about one million, seven hundred twenty-eight thousand, four hundred fifty-eight 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 21743728188208 cubic inches would be around 2325.9 feet tall.

Recreational maths with 21743728188208

• 21743728188208 backwards is 80288182734712
• The number of decimal digits it has is: 14
• The sum of 21743728188208's digits is 61
• More coming soon!