21729822782812

Names of 21729822782812

• Cardinal: 21729822782812 can be written as Twenty-one trillion, seven hundred twenty-nine billion, eight hundred twenty-two million, seven hundred eighty-two thousand, eight hundred twelve.

Scientific notation

• Scientific notation: 2.1729822782812 × 10¹³

Factors of 21729822782812

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 17270424

Divisors of 21729822782812

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 31 62 73 124 139 146 278 292 556 2263 4309 4526 8618 9052 10147 17236 20294 40588 314557 629114 1258228 17270179 34540358 69080716 535375549 1070751098 1260723067 2141502196 2400554881 2521446134 4801109762 5042892268 9602219524 39082415077 74417201311 78164830154 148834402622 156329660308 175240506313 297668805244 350481012626 700962025252 5432455695703 10864911391406 21729822782812
• Sum of all divisors σ(n): 40077870515200
• Sum of proper divisors (its aliquot sum) s(n): 18348047732388
• 21729822782812 is a deficient number, because the sum of its proper divisors (18348047732388) is less than itself. Its deficiency is 3381775050424

Bases of 21729822782812

• Binary: 100111100001101011110010111100011010101011100₂
• Hexadecimal: 0x13C35E5E355C
• Base-36: 7PAJJFQZG

Squares and roots of 21729822782812

• 21729822782812 squared (21729822782812²) is 472185198172415451722627344
• 21729822782812 cubed (21729822782812³) is 10260500676953552427727170151346124411328
• The square root of 21729822782812 is 4661525.7998655333
• The cube root of 21729822782812 is 27905.2164048593

Scales and comparisons

• 21,729,822,782,812 seconds is equal to 690,941 years, 7 weeks, 5 days, 12 hours, 6 minutes, 52 seconds.
• To count from 1 to 21,729,822,782,812 would take you about one million, seven hundred twenty-seven thousand, three hundred fifty-two 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 21729822782812 cubic inches would be around 2325.4 feet tall.

Recreational maths with 21729822782812

• 21729822782812 backwards is 21828722892712
• The number of decimal digits it has is: 14
• The sum of 21729822782812's digits is 61
• More coming soon!