2838220

Names of 2838220

• Cardinal: 2838220 can be written as Two million, eight hundred thirty-eight thousand, two hundred twenty.

Scientific notation

• Scientific notation: 2.83822 × 10⁶

Factors of 2838220

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 141

Divisors of 2838220

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 7 10 11 14 19 20 22 28 35 38 44 55 70 76 77 95 97 110 133 140 154 190 194 209 220 266 308 380 385 388 418 485 532 665 679 770 836 970 1045 1067 1330 1358 1463 1540 1843 1940 2090 2134 2660 2716 2926 3395 3686 4180 4268 5335 5852 6790 7315 7372 7469 9215 10670 12901 13580 14630 14938 18430 20273 21340 25802 29260 29876 36860 37345 40546 51604 64505 74690 81092 101365 129010 141911 149380 202730 258020 283822 405460 567644 709555 1419110 2838220
• Sum of all divisors σ(n): 7902720
• Sum of proper divisors (its aliquot sum) s(n): 5064500
• 2838220 is an abundant number, because the sum of its proper divisors (5064500) is greater than itself. Its abundance is 2226280

Bases of 2838220

• Binary: 1010110100111011001100₂
• Hexadecimal: 0x2B4ECC
• Base-36: 1OTZG

Squares and roots of 2838220

• 2838220 squared (2838220²) is 8055492768400
• 2838220 cubed (2838220³) is 22863260685128248000
• The square root of 2838220 is 1684.7017540205
• The cube root of 2838220 is 141.5843828201

Scales and comparisons

• 2,838,220 seconds is equal to 4 weeks, 4 days, 20 hours, 23 minutes, 40 seconds.
• To count from 1 to 2,838,220 would take you about seven 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 2838220 cubic inches would be around 11.8 feet tall.

Recreational maths with 2838220

• 2838220 backwards is 0228382
• The number of decimal digits it has is: 7
• The sum of 2838220's digits is 25
• More coming soon!