20389120842924

Names of 20389120842924

• Cardinal: 20389120842924 can be written as Twenty trillion, three hundred eighty-nine billion, one hundred twenty million, eight hundred forty-two thousand, nine hundred twenty-four.

Scientific notation

• Scientific notation: 2.0389120842924 × 10¹³

Factors of 20389120842924

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1946269751

Divisors of 20389120842924

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 4 6 9 12 18 27 36 54 97 108 194 291 388 582 873 1164 1746 2619 3492 5238 10476 1946269649 3892539298 5838808947 7785078596 11677617894 17516426841 23355235788 35032853682 52549280523 70065707364 105098561046 188788155953 210197122092 377576311906 566364467859 755152623812 1132728935718 1699093403577 2265457871436 3398186807154 5097280210731 6796373614308 10194560421462 20389120842924
• Sum of all divisors σ(n): 53405639196000
• Sum of proper divisors (its aliquot sum) s(n): 33016518353076
• 20389120842924 is an abundant number, because the sum of its proper divisors (33016518353076) is greater than itself. Its abundance is 12627397510152

Bases of 20389120842924

• Binary: 100101000101100110110010011100001110010101100₂
• Hexadecimal: 0x128B364E1CAC
• Base-36: 786MS49F0

Squares and roots of 20389120842924

• 20389120842924 squared (20389120842924²) is 415716248747357884280869776
• 20389120842924 cubed (20389120842924³) is 8476088832076932844666664816804995065024
• The square root of 20389120842924 is 4515431.4127139613
• The cube root of 20389120842924 is 27319.0860835179

Scales and comparisons

• 20,389,120,842,924 seconds is equal to 648,310 years, 50 weeks, 4 days, 22 hours, 35 minutes, 24 seconds.
• To count from 1 to 20,389,120,842,924 would take you about one million, six hundred twenty thousand, seven hundred seventy-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 20389120842924 cubic inches would be around 2276.6 feet tall.

Recreational maths with 20389120842924

• 20389120842924 backwards is 42924802198302
• 20389120842924 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 20389120842924's digits is 54
• More coming soon!