28096640

Names of 28096640

• Cardinal: 28096640 can be written as Twenty-eight million, ninety-six thousand, six hundred forty.

Scientific notation

• Scientific notation: 2.809664 × 10⁷

Factors of 28096640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 338

Divisors of 28096640

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 5 8 10 11 13 16 20 22 26 32 40 44 52 55 64 65 80 88 104 110 128 130 143 160 176 208 220 260 286 307 320 352 416 440 520 572 614 640 704 715 832 880 1040 1144 1228 1408 1430 1535 1664 1760 2080 2288 2456 2860 3070 3377 3520 3991 4160 4576 4912 5720 6140 6754 7040 7982 8320 9152 9824 11440 12280 13508 15964 16885 18304 19648 19955 22880 24560 27016 31928 33770 39296 39910 43901 45760 49120 54032 63856 67540 79820 87802 91520 98240 108064 127712 135080 159640 175604 196480 216128 219505 255424 270160 319280 351208 432256 439010 510848 540320 638560 702416 878020 1080640 1277120 1404832 1756040 2161280 2554240 2809664 3512080 5619328 7024160 14048320 28096640
• Sum of all divisors σ(n): 79168320
• Sum of proper divisors (its aliquot sum) s(n): 51071680
• 28096640 is an abundant number, because the sum of its proper divisors (51071680) is greater than itself. Its abundance is 22975040

Bases of 28096640

• Binary: 1101011001011100010000000₂
• Hexadecimal: 0x1ACB880
• Base-36: GQ7I8

Squares and roots of 28096640

• 28096640 squared (28096640²) is 789421179289600
• 28096640 cubed (28096640³) is 22180082682875346944000
• The square root of 28096640 is 5300.6263780803
• The cube root of 28096640 is 304.0078483661

Scales and comparisons

• 28,096,640 seconds is equal to 46 weeks, 3 days, 4 hours, 37 minutes, 20 seconds.
• To count from 1 to 28,096,640 would take you about seventeen 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 28096640 cubic inches would be around 25.3 feet tall.

Recreational maths with 28096640

• 28096640 backwards is 04669082
• The number of decimal digits it has is: 8
• The sum of 28096640's digits is 35
• More coming soon!