21946142378241

Names of 21946142378241

• Cardinal: 21946142378241 can be written as Twenty-one trillion, nine hundred forty-six billion, one hundred forty-two million, three hundred seventy-eight thousand, two hundred forty-one.

Scientific notation

• Scientific notation: 2.1946142378241 × 10¹³

Factors of 21946142378241

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1979

Divisors of 21946142378241

• Number of divisors d(n): 45
• Complete list of divisors:
  1 3 9 27 81 313 939 1663 2817 4989 8451 14967 25353 44901 97969 134703 293907 520519 881721 1561557 2645163 2765569 4684671 7935489 8296707 14054013 24890121 42162039 74670363 162922447 224011089 488767341 865623097 1466302023 2596869291 4398906069 7790607873 13196718207 23371823619 70115470857 270940029361 812820088083 2438460264249 7315380792747 21946142378241
• Sum of all divisors σ(n): 32908607273619
• Sum of proper divisors (its aliquot sum) s(n): 10962464895378
• 21946142378241 is a deficient number, because the sum of its proper divisors (10962464895378) is less than itself. Its deficiency is 10983677482863

Bases of 21946142378241

• Binary: 100111111010110111100000001010100100100000001₂
• Hexadecimal: 0x13F5BC054901
• Base-36: 7S1X2JF29

Squares and roots of 21946142378241

• 21946142378241 squared (21946142378241²) is 481633165286025535510254081
• 21946142378241 cubed (21946142378241³) is 10569990019449997088885663094639515851521
• 21946142378241 is a perfect square number. Its square root is 4684671
• The cube root of 21946142378241 is 27997.5092930069

Scales and comparisons

• 21,946,142,378,241 seconds is equal to 697,819 years, 23 weeks, 12 hours, 37 minutes, 21 seconds.
• To count from 1 to 21,946,142,378,241 would take you about one million, seven hundred forty-four thousand, five hundred forty-eight 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 21946142378241 cubic inches would be around 2333.1 feet tall.

Recreational maths with 21946142378241

• 21946142378241 backwards is 14287324164912
• The number of decimal digits it has is: 14
• The sum of 21946142378241's digits is 54
• More coming soon!