1218227208

Names of 1218227208

• Cardinal: 1218227208 can be written as One billion, two hundred eighteen million, two hundred twenty-seven thousand, two hundred eight.

Scientific notation

• Scientific notation: 1.218227208 × 10⁹

Factors of 1218227208

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 554

Divisors of 1218227208

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 8 11 12 17 22 24 33 34 44 51 66 68 88 102 132 136 187 204 264 374 408 521 561 748 1042 1122 1496 1563 2084 2244 3126 4168 4488 5731 6252 8857 11462 12504 17193 17714 22924 26571 34386 35428 45848 53142 68772 70856 97427 106284 137544 194854 212568 271441 292281 389708 542882 584562 779416 814323 1085764 1169124 1628646 2171528 2338248 2985851 3257292 4614497 5971702 6514584 8957553 9228994 11943404 13843491 17915106 18457988 23886808 27686982 35830212 36915976 50759467 55373964 71660424 101518934 110747928 152278401 203037868 304556802 406075736 609113604 1218227208
• Sum of all divisors σ(n): 3524640480
• Sum of proper divisors (its aliquot sum) s(n): 2306413272
• 1218227208 is an abundant number, because the sum of its proper divisors (2306413272) is greater than itself. Its abundance is 1088186064

Bases of 1218227208

• Binary: 1001000100111001010110000001000₂
• Hexadecimal: 0x489CAC08
• Base-36: K5AU4O

Squares and roots of 1218227208

• 1218227208 squared (1218227208²) is 1484077530311475264
• 1218227208 cubed (1218227208³) is 1807943626206883881223782912
• The square root of 1218227208 is 34903.1117237417
• The cube root of 1218227208 is 1068.0119161515

Scales and comparisons

• 1,218,227,208 seconds is equal to 38 years, 38 weeks, 1 day, 20 hours, 26 minutes, 48 seconds.
• To count from 1 to 1,218,227,208 would take you about seventy-seven years!

  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 1218227208 cubic inches would be around 89 feet tall.

Recreational maths with 1218227208

• 1218227208 backwards is 8027228121
• 1218227208 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1218227208's digits is 33
• More coming soon!