409981468

Names of 409981468

• Cardinal: 409981468 can be written as Four hundred nine million, nine hundred eighty-one thousand, four hundred sixty-eight.

Scientific notation

• Scientific notation: 4.09981468 × 10⁸

Factors of 409981468

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 453

Divisors of 409981468

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 13 19 26 29 38 41 52 58 76 82 116 164 247 349 377 494 533 551 698 754 779 988 1066 1102 1189 1396 1508 1558 2132 2204 2378 3116 4537 4756 6631 7163 9074 10121 10127 13262 14309 14326 15457 18148 20242 20254 22591 26524 28618 28652 30914 40484 40508 45182 57236 61828 86203 90364 131573 172406 186017 192299 263146 271871 293683 344812 372034 384598 414961 526292 543742 587366 744068 769196 829922 1087484 1174732 1659844 2499887 3534323 4999774 5394493 7068646 7884259 9999548 10788986 14137292 15768518 21577972 31537036 102495367 204990734 409981468
• Sum of all divisors σ(n): 864360000
• Sum of proper divisors (its aliquot sum) s(n): 454378532
• 409981468 is an abundant number, because the sum of its proper divisors (454378532) is greater than itself. Its abundance is 44397064

Bases of 409981468

• Binary: 11000011011111101001000011100₂
• Hexadecimal: 0x186FD21C
• Base-36: 6S3BQ4

Squares and roots of 409981468

• 409981468 squared (409981468²) is 168084804103435024
• 409981468 cubed (409981468³) is 68911654734818714982135232
• The square root of 409981468 is 20247.9991110233
• The cube root of 409981468 is 742.8846910113

Scales and comparisons

• 409,981,468 seconds is equal to 13 years, 1 week, 6 days, 3 hours, 44 minutes, 28 seconds.
• To count from 1 to 409,981,468 would take you about nineteen 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 409981468 cubic inches would be around 61.9 feet tall.

Recreational maths with 409981468

• 409981468 backwards is 864189904
• The number of decimal digits it has is: 9
• The sum of 409981468's digits is 49
• More coming soon!