21350310438

Names of 21350310438

• Cardinal: 21350310438 can be written as Twenty-one billion, three hundred fifty million, three hundred ten thousand, four hundred thirty-eight.

Scientific notation

• Scientific notation: 2.1350310438 × 10¹⁰

Factors of 21350310438

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 54249

Divisors of 21350310438

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 17 34 51 53 73 102 106 146 159 219 318 438 901 1241 1802 2482 2703 3723 3869 5406 7446 7738 11607 23214 54101 65773 108202 131546 162303 197319 324606 394638 919717 1839434 2759151 2867353 3949373 5518302 5734706 7898746 8602059 11848119 17204118 23696238 48745001 67139341 97490002 134278682 146235003 201418023 209316769 292470006 402836046 418633538 627950307 1255900614 3558385073 7116770146 10675155219 21350310438
• Sum of all divisors σ(n): 46697383872
• Sum of proper divisors (its aliquot sum) s(n): 25347073434
• 21350310438 is an abundant number, because the sum of its proper divisors (25347073434) is greater than itself. Its abundance is 3996762996

Bases of 21350310438

• Binary: 10011111000100100111110001000100110₂
• Hexadecimal: 0x4F893E226
• Base-36: 9T3F8YU

Squares and roots of 21350310438

• 21350310438 squared (21350310438²) is 455835755798971751844
• 21350310438 cubed (21350310438³) is 9732234895048405623062098947672
• The square root of 21350310438 is 146117.4542551299
• The cube root of 21350310438 is 2774.1806065135

Scales and comparisons

• 21,350,310,438 seconds is equal to 678 years, 45 weeks, 3 days, 1 hour, 47 minutes, 18 seconds.
• To count from 1 to 21,350,310,438 would take you about one thousand, three hundred fifty-seven 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 21350310438 cubic inches would be around 231.2 feet tall.

Recreational maths with 21350310438

• 21350310438 backwards is 83401305312
• The number of decimal digits it has is: 11
• The sum of 21350310438's digits is 30
• More coming soon!