2221128

Names of 2221128

• Cardinal: 2221128 can be written as Two million, two hundred twenty-one thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 2.221128 × 10⁶

Factors of 2221128

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 138

Divisors of 2221128

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 18 21 24 26 27 28 36 39 42 52 54 56 63 72 78 84 91 104 108 113 117 126 156 168 182 189 216 226 234 252 273 312 339 351 364 378 452 468 504 546 678 702 728 756 791 819 904 936 1017 1092 1356 1404 1469 1512 1582 1638 2034 2184 2373 2457 2712 2808 2938 3051 3164 3276 4068 4407 4746 4914 5876 6102 6328 6552 7119 8136 8814 9492 9828 10283 11752 12204 13221 14238 17628 18984 19656 20566 21357 24408 26442 28476 30849 35256 39663 41132 42714 52884 56952 61698 79326 82264 85428 92547 105768 123396 158652 170856 185094 246792 277641 317304 370188 555282 740376 1110564 2221128
• Sum of all divisors σ(n): 7660800
• Sum of proper divisors (its aliquot sum) s(n): 5439672
• 2221128 is an abundant number, because the sum of its proper divisors (5439672) is greater than itself. Its abundance is 3218544

Bases of 2221128

• Binary: 1000011110010001001000₂
• Hexadecimal: 0x21E448
• Base-36: 1BLU0

Squares and roots of 2221128

• 2221128 squared (2221128²) is 4933409592384
• 2221128 cubed (2221128³) is 10957734181112689152
• The square root of 2221128 is 1490.3449265187
• The cube root of 2221128 is 130.4741658467

Scales and comparisons

• 2,221,128 seconds is equal to 3 weeks, 4 days, 16 hours, 58 minutes, 48 seconds.
• To count from 1 to 2,221,128 would take you about five 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 2221128 cubic inches would be around 10.9 feet tall.

Recreational maths with 2221128

• 2221128 backwards is 8211222
• 2221128 is a Harshad number.
• The number of decimal digits it has is: 7
• The sum of 2221128's digits is 18
• More coming soon!