21520683516101

Names of 21520683516101

• Cardinal: 21520683516101 can be written as Twenty-one trillion, five hundred twenty billion, six hundred eighty-three million, five hundred sixteen thousand, one hundred one.

Scientific notation

• Scientific notation: 2.1520683516101 × 10¹³

Factors of 21520683516101

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 5463

Divisors of 21520683516101

• Number of divisors d(n): 48
• Complete list of divisors:
  1 7 11 19 77 133 209 643 1463 4501 4783 7073 12217 33481 49511 52613 85519 90877 134387 368291 636139 940709 999647 3075469 6997529 21528283 22877089 33830159 58433911 160139623 236811113 251647979 409037377 434664691 642773021 1761535853 3042652837 4499411147 4781311601 14709968227 33469181207 102969777589 161809650497 279489396313 1132667553479 1956425774191 3074383359443 21520683516101
• Sum of all divisors σ(n): 28292978327040
• Sum of proper divisors (its aliquot sum) s(n): 6772294810939
• 21520683516101 is a deficient number, because the sum of its proper divisors (6772294810939) is less than itself. Its deficiency is 14748388705162

Bases of 21520683516101

• Binary: 100111001001010101100101100100100000011000101₂
• Hexadecimal: 0x1392ACB240C5
• Base-36: 7MMGRBG05

Squares and roots of 21520683516101

• 21520683516101 squared (21520683516101²) is 463139819000181300326242201
• 21520683516101 cubed (21520683516101³) is 9967085468407202432661424268617209178301
• The square root of 21520683516101 is 4639039.0724913063
• The cube root of 21520683516101 is 27815.4028113107

Scales and comparisons

• 21,520,683,516,101 seconds is equal to 684,291 years, 8 weeks, 5 days, 3 hours, 21 minutes, 41 seconds.
• To count from 1 to 21,520,683,516,101 would take you about one million, seven hundred ten thousand, seven hundred twenty-seven 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 21520683516101 cubic inches would be around 2318 feet tall.

Recreational maths with 21520683516101

• 21520683516101 backwards is 10161538602512
• The number of decimal digits it has is: 14
• The sum of 21520683516101's digits is 41
• More coming soon!