30084390

Names of 30084390

• Cardinal: 30084390 can be written as Thirty million, eighty-four thousand, three hundred ninety.

Scientific notation

• Scientific notation: 3.008439 × 10⁷

Factors of 30084390

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 87

Divisors of 30084390

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 5 6 7 9 10 14 15 17 18 21 30 34 35 42 45 51 53 63 70 85 90 102 105 106 119 126 153 159 170 210 238 255 265 306 315 318 357 371 477 510 530 595 630 714 742 765 795 901 954 1071 1113 1190 1530 1590 1785 1802 1855 2142 2226 2385 2703 2809 3339 3570 3710 4505 4770 5355 5406 5565 5618 6307 6678 8109 8427 9010 10710 11130 12614 13515 14045 16218 16695 16854 18921 19663 25281 27030 28090 31535 33390 37842 39326 40545 42135 47753 50562 56763 58989 63070 81090 84270 94605 95506 98315 113526 117978 126405 143259 176967 189210 196630 238765 252810 283815 286518 294945 334271 353934 429777 477530 567630 589890 668542 716295 859554 884835 1002813 1432590 1671355 1769670 2005626 2148885 3008439 3342710 4297770 5014065 6016878 10028130 15042195 30084390
• Sum of all divisors σ(n): 96471648
• Sum of proper divisors (its aliquot sum) s(n): 66387258
• 30084390 is an abundant number, because the sum of its proper divisors (66387258) is greater than itself. Its abundance is 36302868

Bases of 30084390

• Binary: 1110010110000110100100110₂
• Hexadecimal: 0x1CB0D26
• Base-36: HWT9I

Squares and roots of 30084390

• 30084390 squared (30084390²) is 905070521672100
• 30084390 cubed (30084390³) is 27228494551486908519000
• The square root of 30084390 is 5484.9238827897
• The cube root of 30084390 is 311.0143326625

Scales and comparisons

• 30,084,390 seconds is equal to 49 weeks, 5 days, 4 hours, 46 minutes, 30 seconds.
• To count from 1 to 30,084,390 would take you about twenty-two 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 30084390 cubic inches would be around 25.9 feet tall.

Recreational maths with 30084390

• 30084390 backwards is 09348003
• The number of decimal digits it has is: 8
• The sum of 30084390's digits is 27
• More coming soon!