20490480

Names of 20490480

• Cardinal: 20490480 can be written as Twenty million, four hundred ninety thousand, four hundred eighty.

Scientific notation

• Scientific notation: 2.049048 × 10⁷

Factors of 20490480

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 350

Divisors of 20490480

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 45 48 60 72 80 90 120 144 149 180 191 240 298 360 382 447 573 596 720 745 764 894 955 1146 1192 1341 1490 1528 1719 1788 1910 2235 2292 2384 2682 2865 2980 3056 3438 3576 3820 4470 4584 5364 5730 5960 6705 6876 7152 7640 8595 8940 9168 10728 11460 11920 13410 13752 15280 17190 17880 21456 22920 26820 27504 28459 34380 35760 45840 53640 56918 68760 85377 107280 113836 137520 142295 170754 227672 256131 284590 341508 426885 455344 512262 569180 683016 853770 1024524 1138360 1280655 1366032 1707540 2049048 2276720 2561310 3415080 4098096 5122620 6830160 10245240 20490480
• Sum of all divisors σ(n): 69638400
• Sum of proper divisors (its aliquot sum) s(n): 49147920
• 20490480 is an abundant number, because the sum of its proper divisors (49147920) is greater than itself. Its abundance is 28657440

Bases of 20490480

• Binary: 1001110001010100011110000₂
• Hexadecimal: 0x138A8F0
• Base-36: C76K0

Squares and roots of 20490480

• 20490480 squared (20490480²) is 419859770630400
• 20490480 cubed (20490480³) is 8603128232906798592000
• The square root of 20490480 is 4526.6411388579
• The cube root of 20490480 is 273.6428116035

Scales and comparisons

• 20,490,480 seconds is equal to 33 weeks, 6 days, 3 hours, 48 minutes.
• To count from 1 to 20,490,480 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 20490480 cubic inches would be around 22.8 feet tall.

Recreational maths with 20490480

• 20490480 backwards is 08409402
• The number of decimal digits it has is: 8
• The sum of 20490480's digits is 27
• More coming soon!