30019950

Names of 30019950

• Cardinal: 30019950 can be written as Thirty million, nineteen thousand, nine hundred fifty.

Scientific notation

• Scientific notation: 3.001995 × 10⁷

Factors of 30019950

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 648

Divisors of 30019950

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 25 27 30 37 45 50 54 74 75 90 111 135 150 185 222 225 270 333 370 450 555 601 666 675 925 999 1110 1202 1350 1665 1803 1850 1998 2775 3005 3330 3606 4995 5409 5550 6010 8325 9015 9990 10818 15025 16227 16650 18030 22237 24975 27045 30050 32454 44474 45075 49950 54090 66711 81135 90150 111185 133422 135225 162270 200133 222370 270450 333555 400266 405675 555925 600399 667110 811350 1000665 1111850 1200798 1667775 2001330 3001995 3335550 5003325 6003990 10006650 15009975 30019950
• Sum of all divisors σ(n): 85098720
• Sum of proper divisors (its aliquot sum) s(n): 55078770
• 30019950 is an abundant number, because the sum of its proper divisors (55078770) is greater than itself. Its abundance is 25058820

Bases of 30019950

• Binary: 1110010100001000101101110₂
• Hexadecimal: 0x1CA116E
• Base-36: HVFJI

Squares and roots of 30019950

• 30019950 squared (30019950²) is 901197398002500
• 30019950 cubed (30019950³) is 27053900828165149875000
• The square root of 30019950 is 5479.0464498853
• The cube root of 30019950 is 310.7921123207

Scales and comparisons

• 30,019,950 seconds is equal to 49 weeks, 4 days, 10 hours, 52 minutes, 30 seconds.
• To count from 1 to 30,019,950 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 30019950 cubic inches would be around 25.9 feet tall.

Recreational maths with 30019950

• 30019950 backwards is 05991003
• 30019950 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 30019950's digits is 27
• More coming soon!