20991627264

Names of 20991627264

• Cardinal: 20991627264 can be written as Twenty billion, nine hundred ninety-one million, six hundred twenty-seven thousand, two hundred sixty-four.

Scientific notation

• Scientific notation: 2.0991627264 × 10¹⁰

Factors of 20991627264

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 58941

Divisors of 20991627264

• Number of divisors d(n): 104
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 29 32 48 58 64 87 96 116 128 174 192 232 256 348 384 464 512 696 768 928 1024 1392 1536 1856 2048 2784 3072 3712 4096 5568 6144 7424 11136 12288 14848 22272 29696 44544 58907 59392 89088 117814 118784 176721 178176 235628 353442 356352 471256 706884 942512 1413768 1708303 1885024 2827536 3416606 3770048 5124909 5655072 6833212 7540096 10249818 11310144 13666424 15080192 20499636 22620288 27332848 30160384 40999272 45240576 54665696 60320768 81998544 90481152 109331392 120641536 163997088 180962304 218662784 241283072 327994176 361924608 437325568 655988352 723849216 874651136 1311976704 1749302272 2623953408 3498604544 5247906816 6997209088 10495813632 20991627264
• Sum of all divisors σ(n): 57901851360
• Sum of proper divisors (its aliquot sum) s(n): 36910224096
• 20991627264 is an abundant number, because the sum of its proper divisors (36910224096) is greater than itself. Its abundance is 15918596832

Bases of 20991627264

• Binary: 10011100011001100101101000000000000₂
• Hexadecimal: 0x4E332D000
• Base-36: 9N5VF9C

Squares and roots of 20991627264

• 20991627264 squared (20991627264²) is 440648415190708125696
• 20991627264 cubed (20991627264³) is 9249927286155660450826492575744
• The square root of 20991627264 is 144884.8758980729
• The cube root of 20991627264 is 2758.5574650411

Scales and comparisons

• 20,991,627,264 seconds is equal to 667 years, 24 weeks, 2 days, 15 hours, 34 minutes, 24 seconds.
• To count from 1 to 20,991,627,264 would take you about one thousand, three hundred thirty-four 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 20991627264 cubic inches would be around 229.9 feet tall.

Recreational maths with 20991627264

• 20991627264 backwards is 46272619902
• 20991627264 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20991627264's digits is 48
• More coming soon!