27405490

Names of 27405490

• Cardinal: 27405490 can be written as Twenty-seven million, four hundred five thousand, four hundred ninety.

Scientific notation

• Scientific notation: 2.740549 × 10⁷

Factors of 27405490

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 1426

Divisors of 27405490

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 5 7 10 14 35 70 379 758 1033 1895 2066 2653 3790 5165 5306 7231 10330 13265 14462 26530 36155 72310 391507 783014 1957535 2740549 3915070 5481098 13702745 27405490
• Sum of all divisors σ(n): 56580480
• Sum of proper divisors (its aliquot sum) s(n): 29174990
• 27405490 is an abundant number, because the sum of its proper divisors (29174990) is greater than itself. Its abundance is 1769500

Bases of 27405490

• Binary: 1101000100010110010110010₂
• Hexadecimal: 0x1A22CB2
• Base-36: GBE7M

Squares and roots of 27405490

• 27405490 squared (27405490²) is 751060882140100
• 27405490 cubed (27405490³) is 20583191494881689149000
• The square root of 27405490 is 5235.0253103495
• The cube root of 27405490 is 301.4943587617

Scales and comparisons

• 27,405,490 seconds is equal to 45 weeks, 2 days, 4 hours, 38 minutes, 10 seconds.
• To count from 1 to 27,405,490 would take you about fifteen 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 27405490 cubic inches would be around 25.1 feet tall.

Recreational maths with 27405490

• 27405490 backwards is 09450472
• The number of decimal digits it has is: 8
• The sum of 27405490's digits is 31
• More coming soon!