20256480

Names of 20256480

• Cardinal: 20256480 can be written as Twenty million, two hundred fifty-six thousand, four hundred eighty.

Scientific notation

• Scientific notation: 2.025648 × 10⁷

Factors of 20256480

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 531

Divisors of 20256480

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 72 80 81 90 96 108 120 135 144 160 162 180 216 240 243 270 288 324 360 405 432 480 486 521 540 648 720 810 864 972 1042 1080 1215 1296 1440 1563 1620 1944 2084 2160 2430 2592 2605 3126 3240 3888 4168 4320 4689 4860 5210 6252 6480 7776 7815 8336 9378 9720 10420 12504 12960 14067 15630 16672 18756 19440 20840 23445 25008 28134 31260 37512 38880 41680 42201 46890 50016 56268 62520 70335 75024 83360 84402 93780 112536 125040 126603 140670 150048 168804 187560 211005 225072 250080 253206 281340 337608 375120 422010 450144 506412 562680 633015 675216 750240 844020 1012824 1125360 1266030 1350432 1688040 2025648 2250720 2532060 3376080 4051296 5064120 6752160 10128240 20256480
• Sum of all divisors σ(n): 71823024
• Sum of proper divisors (its aliquot sum) s(n): 51566544
• 20256480 is an abundant number, because the sum of its proper divisors (51566544) is greater than itself. Its abundance is 31310064

Bases of 20256480

• Binary: 1001101010001011011100000₂
• Hexadecimal: 0x13516E0
• Base-36: C2600

Squares and roots of 20256480

• 20256480 squared (20256480²) is 410324981990400
• 20256480 cubed (20256480³) is 8311739791188897792000
• The square root of 20256480 is 4500.7199424093
• The cube root of 20256480 is 272.5971597537

Scales and comparisons

• 20,256,480 seconds is equal to 33 weeks, 3 days, 10 hours, 48 minutes.
• To count from 1 to 20,256,480 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 20256480 cubic inches would be around 22.7 feet tall.

Recreational maths with 20256480

• 20256480 backwards is 08465202
• 20256480 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 20256480's digits is 27
• More coming soon!