21326214

Names of 21326214

• Cardinal: 21326214 can be written as Twenty-one million, three hundred twenty-six thousand, two hundred fourteen.

Scientific notation

• Scientific notation: 2.1326214 × 10⁷

Factors of 21326214

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 445

Divisors of 21326214

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 7 13 14 21 26 39 42 78 91 139 182 273 278 281 417 546 562 834 843 973 1686 1807 1946 1967 2919 3614 3653 3934 5421 5838 5901 7306 10842 10959 11802 12649 21918 25298 25571 37947 39059 51142 75894 76713 78118 117177 153426 234354 273413 507767 546826 820239 1015534 1523301 1640478 3046602 3554369 7108738 10663107 21326214
• Sum of all divisors σ(n): 53061120
• Sum of proper divisors (its aliquot sum) s(n): 31734906
• 21326214 is an abundant number, because the sum of its proper divisors (31734906) is greater than itself. Its abundance is 10408692

Bases of 21326214

• Binary: 1010001010110100110000110₂
• Hexadecimal: 0x1456986
• Base-36: CP3EU

Squares and roots of 21326214

• 21326214 squared (21326214²) is 454807403573796
• 21326214 cubed (21326214³) is 9699320017399138288344
• The square root of 21326214 is 4618.0313987673
• The cube root of 21326214 is 277.3136546201

Scales and comparisons

• 21,326,214 seconds is equal to 35 weeks, 1 day, 19 hours, 56 minutes, 54 seconds.
• To count from 1 to 21,326,214 would take you about six days!

  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 21326214 cubic inches would be around 23.1 feet tall.

Recreational maths with 21326214

• 21326214 backwards is 41262312
• 21326214 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 21326214's digits is 21
• More coming soon!