20938236672

Names of 20938236672

• Cardinal: 20938236672 can be written as Twenty billion, nine hundred thirty-eight million, two hundred thirty-six thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 2.0938236672 × 10¹⁰

Factors of 20938236672

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 74659

Divisors of 20938236672

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 256 367 384 734 768 1101 1468 2202 2936 4404 5872 8808 11744 17616 23488 35232 46976 70464 74287 93952 140928 148574 222861 281856 297148 445722 594296 891444 1188592 1782888 2377184 3565776 4754368 7131552 9508736 14263104 19017472 27263329 28526208 54526658 57052416 81789987 109053316 163579974 218106632 327159948 436213264 654319896 872426528 1308639792 1744853056 2617279584 3489706112 5234559168 6979412224 10469118336 20938236672
• Sum of all divisors σ(n): 55878839296
• Sum of proper divisors (its aliquot sum) s(n): 34940602624
• 20938236672 is an abundant number, because the sum of its proper divisors (34940602624) is greater than itself. Its abundance is 14002365952

Bases of 20938236672

• Binary: 10011100000000001000010001100000000₂
• Hexadecimal: 0x4E0042300
• Base-36: 9MA32TC

Squares and roots of 20938236672

• 20938236672 squared (20938236672²) is 438409754932685635584
• 20938236672 cubed (20938236672³) is 9179527208094091266432536936448
• The square root of 20938236672 is 144700.5068132105
• The cube root of 20938236672 is 2756.2167530833

Scales and comparisons

• 20,938,236,672 seconds is equal to 665 years, 40 weeks, 16 hours, 51 minutes, 12 seconds.
• To count from 1 to 20,938,236,672 would take you about one thousand, three hundred thirty-one 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 20938236672 cubic inches would be around 229.7 feet tall.

Recreational maths with 20938236672

• 20938236672 backwards is 27663283902
• 20938236672 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20938236672's digits is 48
• More coming soon!