21022020726

Names of 21022020726

• Cardinal: 21022020726 can be written as Twenty-one billion, twenty-two million, twenty thousand, seven hundred twenty-six.

Scientific notation

• Scientific notation: 2.1022020726 × 10¹⁰

Factors of 21022020726

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 48508

Divisors of 21022020726

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 3 6 7 14 21 42 14897 29794 33599 44691 67198 89382 100797 104279 201594 208558 235193 312837 470386 625674 705579 1411158 500524303 1001048606 1501572909 3003145818 3503670121 7007340242 10511010363 21022020726
• Sum of all divisors σ(n): 48054988800
• Sum of proper divisors (its aliquot sum) s(n): 27032968074
• 21022020726 is an abundant number, because the sum of its proper divisors (27032968074) is greater than itself. Its abundance is 6010947348

Bases of 21022020726

• Binary: 10011100101000000101001010001110110₂
• Hexadecimal: 0x4E5029476
• Base-36: 9NNYV06

Squares and roots of 21022020726

• 21022020726 squared (21022020726²) is 441925355404373567076
• 21022020726 cubed (21022020726³) is 9290163980655657238118223217176
• The square root of 21022020726 is 144989.7262774159
• The cube root of 21022020726 is 2759.8881809877

Scales and comparisons

• 21,022,020,726 seconds is equal to 668 years, 22 weeks, 4 days, 10 hours, 12 minutes, 6 seconds.
• To count from 1 to 21,022,020,726 would take you about one thousand, three hundred thirty-six 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 21022020726 cubic inches would be around 230 feet tall.

Recreational maths with 21022020726

• 21022020726 backwards is 62702022012
• The number of decimal digits it has is: 11
• The sum of 21022020726's digits is 24
• More coming soon!