28229280

Names of 28229280

• Cardinal: 28229280 can be written as Twenty-eight million, two hundred twenty-nine thousand, two hundred eighty.

Scientific notation

• Scientific notation: 2.822928 × 10⁷

Factors of 28229280

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2590

Divisors of 28229280

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 23 24 30 32 40 46 48 60 69 80 92 96 115 120 138 160 184 230 240 276 345 368 460 480 552 690 736 920 1104 1380 1840 2208 2557 2760 3680 5114 5520 7671 10228 11040 12785 15342 20456 25570 30684 38355 40912 51140 58811 61368 76710 81824 102280 117622 122736 153420 176433 204560 235244 245472 294055 306840 352866 409120 470488 588110 613680 705732 882165 940976 1176220 1227360 1411464 1764330 1881952 2352440 2822928 3528660 4704880 5645856 7057320 9409760 14114640 28229280
• Sum of all divisors σ(n): 92824704
• Sum of proper divisors (its aliquot sum) s(n): 64595424
• 28229280 is an abundant number, because the sum of its proper divisors (64595424) is greater than itself. Its abundance is 36366144

Bases of 28229280

• Binary: 1101011101011111010100000₂
• Hexadecimal: 0x1AEBEA0
• Base-36: GT1UO

Squares and roots of 28229280

• 28229280 squared (28229280²) is 796892249318400
• 28229280 cubed (28229280³) is 22495694435838922752000
• The square root of 28229280 is 5313.1233751909
• The cube root of 28229280 is 304.4854892635

Scales and comparisons

• 28,229,280 seconds is equal to 46 weeks, 4 days, 17 hours, 28 minutes.
• To count from 1 to 28,229,280 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 28229280 cubic inches would be around 25.4 feet tall.

Recreational maths with 28229280

• 28229280 backwards is 08292282
• The number of decimal digits it has is: 8
• The sum of 28229280's digits is 33
• More coming soon!