30749030

Names of 30749030

• Cardinal: 30749030 can be written as Thirty million, seven hundred forty-nine thousand and thirty.

Scientific notation

• Scientific notation: 3.074903 × 10⁷

Factors of 30749030

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 309

Divisors of 30749030

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 5 10 13 19 26 38 59 65 95 118 130 190 211 247 295 422 494 590 767 1055 1121 1235 1534 2110 2242 2470 2743 3835 4009 5486 5605 7670 8018 11210 12449 13715 14573 20045 24898 27430 29146 40090 52117 62245 72865 104234 124490 145730 161837 236531 260585 323674 473062 521170 809185 1182655 1618370 2365310 3074903 6149806 15374515 30749030
• Sum of all divisors σ(n): 64108800
• Sum of proper divisors (its aliquot sum) s(n): 33359770
• 30749030 is an abundant number, because the sum of its proper divisors (33359770) is greater than itself. Its abundance is 2610740

Bases of 30749030

• Binary: 1110101010011000101100110₂
• Hexadecimal: 0x1D53166
• Base-36: IB23Q

Squares and roots of 30749030

• 30749030 squared (30749030²) is 945502845940900
• 30749030 cubed (30749030³) is 29073295374922112327000
• The square root of 30749030 is 5545.1807905603
• The cube root of 30749030 is 313.2880335397

Scales and comparisons

• 30,749,030 seconds is equal to 50 weeks, 5 days, 21 hours, 23 minutes, 50 seconds.
• To count from 1 to 30,749,030 would take you about twenty-four 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 30749030 cubic inches would be around 26.1 feet tall.

Recreational maths with 30749030

• 30749030 backwards is 03094703
• 30749030 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 30749030's digits is 26
• More coming soon!