28243120

Names of 28243120

• Cardinal: 28243120 can be written as Twenty-eight million, two hundred forty-three thousand, one hundred twenty.

Scientific notation

• Scientific notation: 2.824312 × 10⁷

Factors of 28243120

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1136

Divisors of 28243120

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 5 8 10 16 17 19 20 34 38 40 68 76 80 85 95 136 152 170 190 272 304 323 340 380 646 680 760 1093 1292 1360 1520 1615 2186 2584 3230 4372 5168 5465 6460 8744 10930 12920 17488 18581 20767 21860 25840 37162 41534 43720 74324 83068 87440 92905 103835 148648 166136 185810 207670 297296 332272 353039 371620 415340 706078 743240 830680 1412156 1486480 1661360 1765195 2824312 3530390 5648624 7060780 14121560 28243120
• Sum of all divisors σ(n): 73254240
• Sum of proper divisors (its aliquot sum) s(n): 45011120
• 28243120 is an abundant number, because the sum of its proper divisors (45011120) is greater than itself. Its abundance is 16768000

Bases of 28243120

• Binary: 1101011101111010010110000₂
• Hexadecimal: 0x1AEF4B0
• Base-36: GTCJ4

Squares and roots of 28243120

• 28243120 squared (28243120²) is 797673827334400
• 28243120 cubed (28243120³) is 22528797626264739328000
• The square root of 28243120 is 5314.4256509993
• The cube root of 28243120 is 304.5352412785

Scales and comparisons

• 28,243,120 seconds is equal to 46 weeks, 4 days, 21 hours, 18 minutes, 40 seconds.
• To count from 1 to 28,243,120 would take you about eighteen 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 28243120 cubic inches would be around 25.4 feet tall.

Recreational maths with 28243120

• 28243120 backwards is 02134282
• The number of decimal digits it has is: 8
• The sum of 28243120's digits is 22
• More coming soon!