20484900

Names of 20484900

• Cardinal: 20484900 can be written as Twenty million, four hundred eighty-four thousand, nine hundred.

Scientific notation

• Scientific notation: 2.04849 × 10⁷

Factors of 20484900

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 291

Divisors of 20484900

• Number of divisors d(n): 126
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 25 27 30 36 45 50 54 60 75 81 90 100 108 135 150 162 180 225 243 270 281 300 324 405 450 486 540 562 675 729 810 843 900 972 1124 1215 1350 1405 1458 1620 1686 2025 2430 2529 2700 2810 2916 3372 3645 4050 4215 4860 5058 5620 6075 7025 7290 7587 8100 8430 10116 12150 12645 14050 14580 15174 16860 18225 21075 22761 24300 25290 28100 30348 36450 37935 42150 45522 50580 63225 68283 72900 75870 84300 91044 113805 126450 136566 151740 189675 204849 227610 252900 273132 341415 379350 409698 455220 569025 682830 758700 819396 1024245 1138050 1365660 1707075 2048490 2276100 3414150 4096980 5121225 6828300 10242450 20484900
• Sum of all divisors σ(n): 66885042
• Sum of proper divisors (its aliquot sum) s(n): 46400142
• 20484900 is an abundant number, because the sum of its proper divisors (46400142) is greater than itself. Its abundance is 25915242

Bases of 20484900

• Binary: 1001110001001001100100100₂
• Hexadecimal: 0x1389324
• Base-36: C7290

Squares and roots of 20484900

• 20484900 squared (20484900²) is 419631128010000
• 20484900 cubed (20484900³) is 8596101694172049000000
• The square root of 20484900 is 4526.0247458449
• The cube root of 20484900 is 273.6179697339

Scales and comparisons

• 20,484,900 seconds is equal to 33 weeks, 6 days, 2 hours, 15 minutes.
• To count from 1 to 20,484,900 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 20484900 cubic inches would be around 22.8 feet tall.

Recreational maths with 20484900

• 20484900 backwards is 00948402
• 20484900 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 20484900's digits is 27
• More coming soon!