20290900

Names of 20290900

• Cardinal: 20290900 can be written as Twenty million, two hundred ninety thousand, nine hundred.

Scientific notation

• Scientific notation: 2.02909 × 10⁷

Factors of 20290900

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 156

Divisors of 20290900

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 4 5 7 10 14 20 25 28 35 41 49 50 70 82 98 100 101 140 164 175 196 202 205 245 287 350 404 410 490 505 574 700 707 820 980 1010 1025 1148 1225 1414 1435 2009 2020 2050 2450 2525 2828 2870 3535 4018 4100 4141 4900 4949 5050 5740 7070 7175 8036 8282 9898 10045 10100 14140 14350 16564 17675 19796 20090 20705 24745 28700 28987 35350 40180 41410 49490 50225 57974 70700 82820 98980 100450 103525 115948 123725 144935 200900 202909 207050 247450 289870 405818 414100 494900 579740 724675 811636 1014545 1449350 2029090 2898700 4058180 5072725 10145450 20290900
• Sum of all divisors σ(n): 52988796
• Sum of proper divisors (its aliquot sum) s(n): 32697896
• 20290900 is an abundant number, because the sum of its proper divisors (32697896) is greater than itself. Its abundance is 12406996

Bases of 20290900

• Binary: 1001101011001110101010100₂
• Hexadecimal: 0x1359D54
• Base-36: C2WK4

Squares and roots of 20290900

• 20290900 squared (20290900²) is 411720622810000
• 20290900 cubed (20290900³) is 8354181985375429000000
• The square root of 20290900 is 4504.5421520949
• The cube root of 20290900 is 272.7514722635

Scales and comparisons

• 20,290,900 seconds is equal to 33 weeks, 3 days, 20 hours, 21 minutes, 40 seconds.
• To count from 1 to 20,290,900 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 20290900 cubic inches would be around 22.7 feet tall.

Recreational maths with 20290900

• 20290900 backwards is 00909202
• The number of decimal digits it has is: 8
• The sum of 20290900's digits is 22
• More coming soon!