21390927446133

Names of 21390927446133

• Cardinal: 21390927446133 can be written as Twenty-one trillion, three hundred ninety billion, nine hundred twenty-seven million, four hundred forty-six thousand, one hundred thirty-three.

Scientific notation

• Scientific notation: 2.1390927446133 × 10¹³

Factors of 21390927446133

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 38588738

Divisors of 21390927446133

• Number of divisors d(n): 48
• Complete list of divisors:
  1 3 7 9 21 27 49 63 147 189 419 441 1257 1323 2933 3771 8799 11313 20531 26397 61593 79191 184779 554337 38588309 115764927 270118163 347294781 810354489 1041884343 1890827141 2431063467 5672481423 7293190401 16168501471 17017444269 48505504413 51052332807 113179510297 145516513239 339538530891 436549539717 792256572079 1018615592673 2376769716237 3055846778019 7130309148711 21390927446133
• Sum of all divisors σ(n): 36952165656000
• Sum of proper divisors (its aliquot sum) s(n): 15561238209867
• 21390927446133 is a deficient number, because the sum of its proper divisors (15561238209867) is less than itself. Its deficiency is 5829689236266

Bases of 21390927446133

• Binary: 100110111010001110110101000011100000001110101₂
• Hexadecimal: 0x137476A1C075
• Base-36: 7KYUTWJN9

Squares and roots of 21390927446133

• 21390927446133 squared (21390927446133²) is 457571777005726069616653689
• 21390927446133 cubed (21390927446133³) is 9787884683327634528062345661966263234637
• The square root of 21390927446133 is 4625032.6967636673
• The cube root of 21390927446133 is 27759.3870019923

Scales and comparisons

• 21,390,927,446,133 seconds is equal to 680,165 years, 16 weeks, 6 days, 18 hours, 35 minutes, 33 seconds.
• To count from 1 to 21,390,927,446,133 would take you about one million, seven hundred thousand, four hundred thirteen 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 21390927446133 cubic inches would be around 2313.3 feet tall.

Recreational maths with 21390927446133

• 21390927446133 backwards is 33164472909312
• The number of decimal digits it has is: 14
• The sum of 21390927446133's digits is 54
• More coming soon!