21424127172

Names of 21424127172

• Cardinal: 21424127172 can be written as Twenty-one billion, four hundred twenty-four million, one hundred twenty-seven thousand, one hundred seventy-two.

Scientific notation

• Scientific notation: 2.1424127172 × 10¹⁰

Factors of 21424127172

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 49338

Divisors of 21424127172

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 4 6 7 12 14 21 28 42 84 5869 11738 17607 23476 35214 41083 43457 70428 82166 86914 123249 130371 164332 173828 246498 260742 304199 492996 521484 608398 912597 1216796 1825194 3650388 255049133 510098266 765147399 1020196532 1530294798 1785343931 3060589596 3570687862 5356031793 7141375724 10712063586 21424127172
• Sum of all divisors σ(n): 57142055040
• Sum of proper divisors (its aliquot sum) s(n): 35717927868
• 21424127172 is an abundant number, because the sum of its proper divisors (35717927868) is greater than itself. Its abundance is 14293800696

Bases of 21424127172

• Binary: 10011111100111110100011110011000100₂
• Hexadecimal: 0x4FCFA3CC4
• Base-36: 9UBDEBO

Squares and roots of 21424127172

• 21424127172 squared (21424127172²) is 458993225082028717584
• 21424127172 cubed (21424127172³) is 9833529225243803377275688592448
• The square root of 21424127172 is 146369.8301290263
• The cube root of 21424127172 is 2777.3740870171

Scales and comparisons

• 21,424,127,172 seconds is equal to 681 years, 11 weeks, 3 days, 10 hours, 26 minutes, 12 seconds.
• To count from 1 to 21,424,127,172 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 21424127172 cubic inches would be around 231.4 feet tall.

Recreational maths with 21424127172

• 21424127172 backwards is 27172142412
• The number of decimal digits it has is: 11
• The sum of 21424127172's digits is 33
• More coming soon!