20749379378

Names of 20749379378

• Cardinal: 20749379378 can be written as Twenty billion, seven hundred forty-nine million, three hundred seventy-nine thousand, three hundred seventy-eight.

Scientific notation

• Scientific notation: 2.0749379378 × 10¹⁰

Factors of 20749379378

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 798

Divisors of 20749379378

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 7 13 14 26 49 91 98 163 182 326 613 637 1141 1226 1274 2119 2282 4238 4291 7969 7987 8582 14833 15938 15974 26569 29666 30037 53138 55783 60074 99919 103831 111566 185983 199838 207662 345397 371966 390481 690794 699433 780962 1298947 1301881 1398866 2417779 2597894 2603762 4835558 4896031 9092629 9792062 16286797 16924453 18185258 32573594 33848906 63648403 114007579 127296806 211728361 228015158 423456722 798053053 1482098527 1596106106 2964197054 10374689689 20749379378
• Sum of all divisors σ(n): 39295264428
• Sum of proper divisors (its aliquot sum) s(n): 18545885050
• 20749379378 is a deficient number, because the sum of its proper divisors (18545885050) is less than itself. Its deficiency is 2203494328

Bases of 20749379378

• Binary: 10011010100110000100110011100110010₂
• Hexadecimal: 0x4D4C26732
• Base-36: 9J5N7LE

Squares and roots of 20749379378

• 20749379378 squared (20749379378²) is 430536744572171666884
• 20749379378 cubed (20749379378³) is 8933370249297072217518755118152
• The square root of 20749379378 is 144046.4486823607
• The cube root of 20749379378 is 2747.9049333525

Scales and comparisons

• 20,749,379,378 seconds is equal to 659 years, 39 weeks, 5 days, 20 hours, 29 minutes, 38 seconds.
• To count from 1 to 20,749,379,378 would take you about one thousand, three hundred nineteen 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 20749379378 cubic inches would be around 229 feet tall.

Recreational maths with 20749379378

• 20749379378 backwards is 87397394702
• The number of decimal digits it has is: 11
• The sum of 20749379378's digits is 59
• More coming soon!