21424472064

Names of 21424472064

• Cardinal: 21424472064 can be written as Twenty-one billion, four hundred twenty-four million, four hundred seventy-two thousand and sixty-four.

Scientific notation

• Scientific notation: 2.1424472064 × 10¹⁰

Factors of 21424472064

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 72652

Divisors of 21424472064

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 256 288 384 512 576 768 1024 1152 1536 2048 2304 3072 4096 4608 6144 8192 9216 12288 16384 18432 24576 32768 36864 49152 72647 73728 98304 145294 147456 217941 290588 294912 435882 581176 653823 871764 1162352 1307646 1743528 2324704 2615292 3487056 4649408 5230584 6974112 9298816 10461168 13948224 18597632 20922336 27896448 37195264 41844672 55792896 74390528 83689344 111585792 148781056 167378688 223171584 297562112 334757376 446343168 595124224 669514752 892686336 1190248448 1339029504 1785372672 2380496896 2678059008 3570745344 5356118016 7141490688 10712236032 21424472064
• Sum of all divisors σ(n): 61892826840
• Sum of proper divisors (its aliquot sum) s(n): 40468354776
• 21424472064 is an abundant number, because the sum of its proper divisors (40468354776) is greater than itself. Its abundance is 19043882712

Bases of 21424472064

• Binary: 10011111100111111111000000000000000₂
• Hexadecimal: 0x4FCFF8000
• Base-36: 9UBKSG0

Squares and roots of 21424472064

• 21424472064 squared (21424472064²) is 459008003221116420096
• 21424472064 cubed (21424472064³) is 9834004142163230757238440198144
• The square root of 21424472064 is 146371.0082769125
• The cube root of 21424472064 is 2777.3889906031

Scales and comparisons

• 21,424,472,064 seconds is equal to 681 years, 12 weeks, 10 hours, 14 minutes, 24 seconds.
• To count from 1 to 21,424,472,064 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 21424472064 cubic inches would be around 231.4 feet tall.

Recreational maths with 21424472064

• 21424472064 backwards is 46027442412
• 21424472064 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21424472064's digits is 36
• More coming soon!