20506770

Names of 20506770

• Cardinal: 20506770 can be written as Twenty million, five hundred six thousand, seven hundred seventy.

Scientific notation

• Scientific notation: 2.050677 × 10⁷

Factors of 20506770

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 136

Divisors of 20506770

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 27 29 30 45 54 58 81 87 90 97 135 145 162 174 194 243 261 270 290 291 405 435 485 486 522 582 729 783 810 870 873 970 1215 1305 1455 1458 1566 1746 2349 2430 2610 2619 2813 2910 3645 3915 4365 4698 5238 5626 7047 7290 7830 7857 8439 8730 11745 13095 14065 14094 15714 16878 21141 23490 23571 25317 26190 28130 35235 39285 42195 42282 47142 50634 70470 70713 75951 78570 84390 105705 117855 126585 141426 151902 211410 227853 235710 253170 353565 379755 455706 683559 707130 759510 1139265 1367118 2050677 2278530 3417795 4101354 6835590 10253385 20506770
• Sum of all divisors σ(n): 57841560
• Sum of proper divisors (its aliquot sum) s(n): 37334790
• 20506770 is an abundant number, because the sum of its proper divisors (37334790) is greater than itself. Its abundance is 16828020

Bases of 20506770

• Binary: 1001110001110100010010010₂
• Hexadecimal: 0x138E892
• Base-36: C7J4I

Squares and roots of 20506770

• 20506770 squared (20506770²) is 420527615832900
• 20506770 cubed (20506770³) is 8623663096533638733000
• The square root of 20506770 is 4528.4401287861
• The cube root of 20506770 is 273.7153080451

Scales and comparisons

• 20,506,770 seconds is equal to 33 weeks, 6 days, 8 hours, 19 minutes, 30 seconds.
• To count from 1 to 20,506,770 would take you about fifty weeks!

  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 20506770 cubic inches would be around 22.8 feet tall.

Recreational maths with 20506770

• 20506770 backwards is 07760502
• 20506770 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 20506770's digits is 27
• More coming soon!