30409380

Names of 30409380

• Cardinal: 30409380 can be written as Thirty million, four hundred nine thousand, three hundred eighty.

Scientific notation

• Scientific notation: 3.040938 × 10⁷

Factors of 30409380

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 952

Divisors of 30409380

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 241 482 701 723 964 1205 1402 1446 2103 2169 2410 2804 2892 3505 3615 4206 4338 4820 6309 7010 7230 8412 8676 10515 10845 12618 14020 14460 21030 21690 25236 31545 42060 43380 63090 126180 168941 337882 506823 675764 844705 1013646 1520469 1689410 2027292 2534115 3040938 3378820 5068230 6081876 7602345 10136460 15204690 30409380
• Sum of all divisors σ(n): 92756664
• Sum of proper divisors (its aliquot sum) s(n): 62347284
• 30409380 is an abundant number, because the sum of its proper divisors (62347284) is greater than itself. Its abundance is 31937904

Bases of 30409380

• Binary: 1110100000000001010100100₂
• Hexadecimal: 0x1D002A4
• Base-36: I3S10

Squares and roots of 30409380

• 30409380 squared (30409380²) is 924730391984400
• 30409380 cubed (30409380³) is 28120477887402573672000
• The square root of 30409380 is 5514.4700561341
• The cube root of 30409380 is 312.1302464091

Scales and comparisons

• 30,409,380 seconds is equal to 50 weeks, 1 day, 23 hours, 3 minutes.
• To count from 1 to 30,409,380 would take you about twenty-three 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 30409380 cubic inches would be around 26 feet tall.

Recreational maths with 30409380

• 30409380 backwards is 08390403
• The number of decimal digits it has is: 8
• The sum of 30409380's digits is 27
• More coming soon!