21227902001

Names of 21227902001

• Cardinal: 21227902001 can be written as Twenty-one billion, two hundred twenty-seven million, nine hundred two thousand and one.

Scientific notation

• Scientific notation: 2.1227902001 × 10¹⁰

Factors of 21227902001

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 947010

Divisors of 21227902001

• Number of divisors d(n): 4
• Complete list of divisors:
  1 22973 924037 21227902001
• Sum of all divisors σ(n): 21228849012
• Sum of proper divisors (its aliquot sum) s(n): 947011
• 21227902001 is a deficient number, because the sum of its proper divisors (947011) is less than itself. Its deficiency is 21226954990

Bases of 21227902001

• Binary: 10011110001010010000001010000110001₂
• Hexadecimal: 0x4F1481431
• Base-36: 9R2JM0H

Squares and roots of 21227902001

• 21227902001 squared (21227902001²) is 450623823364059804001
• 21227902001 cubed (21227902001³) is 9565798361688195664836495706001
• The square root of 21227902001 is 145697.9821445719
• The cube root of 21227902001 is 2768.8686748821

Scales and comparisons

• 21,227,902,001 seconds is equal to 674 years, 51 weeks, 7 hours, 26 minutes, 41 seconds.
• To count from 1 to 21,227,902,001 would take you about one thousand, three hundred forty-nine 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 21227902001 cubic inches would be around 230.7 feet tall.

Recreational maths with 21227902001

• 21227902001 backwards is 10020972212
• The number of decimal digits it has is: 11
• The sum of 21227902001's digits is 26
• More coming soon!