30798180

Names of 30798180

• Cardinal: 30798180 can be written as Thirty million, seven hundred ninety-eight thousand, one hundred eighty.

Scientific notation

• Scientific notation: 3.079818 × 10⁷

Factors of 30798180

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 24460

Divisors of 30798180

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 30 35 36 42 45 60 63 70 84 90 105 126 140 180 210 252 315 420 630 1260 24443 48886 73329 97772 122215 146658 171101 219987 244430 293316 342202 366645 439974 488860 513303 684404 733290 855505 879948 1026606 1099935 1466580 1539909 1711010 2053212 2199870 2566515 3079818 3422020 4399740 5133030 6159636 7699545 10266060 15399090 30798180
• Sum of all divisors σ(n): 106771392
• Sum of proper divisors (its aliquot sum) s(n): 75973212
• 30798180 is an abundant number, because the sum of its proper divisors (75973212) is greater than itself. Its abundance is 45175032

Bases of 30798180

• Binary: 1110101011111000101100100₂
• Hexadecimal: 0x1D5F164
• Base-36: IC410

Squares and roots of 30798180

• 30798180 squared (30798180²) is 948527891312400
• 30798180 cubed (30798180³) is 29212932731659731432000
• The square root of 30798180 is 5549.6107971641
• The cube root of 30798180 is 313.4548670939

Scales and comparisons

• 30,798,180 seconds is equal to 50 weeks, 6 days, 11 hours, 3 minutes.
• To count from 1 to 30,798,180 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 30798180 cubic inches would be around 26.1 feet tall.

Recreational maths with 30798180

• 30798180 backwards is 08189703
• 30798180 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 30798180's digits is 36
• More coming soon!