21423557106

Names of 21423557106

• Cardinal: 21423557106 can be written as Twenty-one billion, four hundred twenty-three million, five hundred fifty-seven thousand, one hundred six.

Scientific notation

• Scientific notation: 2.1423557106 × 10¹⁰

Factors of 21423557106

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 268830

Divisors of 21423557106

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 27 42 54 63 126 189 211 378 422 633 1266 1477 1899 2954 3798 4431 5697 8862 11394 13293 26586 39879 79758 268607 537214 805821 1611642 1880249 2417463 3760498 4834926 5640747 7252389 11281494 14504778 16922241 33844482 50766723 56676077 101533446 113352154 170028231 340056462 396732539 510084693 793465078 1020169386 1190197617 1530254079 2380395234 3060508158 3570592851 7141185702 10711778553 21423557106
• Sum of all divisors σ(n): 54667100160
• Sum of proper divisors (its aliquot sum) s(n): 33243543054
• 21423557106 is an abundant number, because the sum of its proper divisors (33243543054) is greater than itself. Its abundance is 11819985948

Bases of 21423557106

• Binary: 10011111100111100011000100111110010₂
• Hexadecimal: 0x4FCF189F2
• Base-36: 9UB16GI

Squares and roots of 21423557106

• 21423557106 squared (21423557106²) is 458968799074043095236
• 21423557106 cubed (21423557106³) is 9832744276835002173093442547016
• The square root of 21423557106 is 146367.8827680445
• The cube root of 21423557106 is 2777.3494527881

Scales and comparisons

• 21,423,557,106 seconds is equal to 681 years, 10 weeks, 3 days, 20 hours, 5 minutes, 6 seconds.
• To count from 1 to 21,423,557,106 would take you about one thousand, three hundred sixty-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 21423557106 cubic inches would be around 231.4 feet tall.

Recreational maths with 21423557106

• 21423557106 backwards is 60175532412
• The number of decimal digits it has is: 11
• The sum of 21423557106's digits is 36
• More coming soon!