30744280

Names of 30744280

• Cardinal: 30744280 can be written as Thirty million, seven hundred forty-four thousand, two hundred eighty.

Scientific notation

• Scientific notation: 3.074428 × 10⁷

Factors of 30744280

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 5812

Divisors of 30744280

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 5 7 8 10 14 19 20 28 35 38 40 56 70 76 95 133 140 152 190 266 280 380 532 665 760 1064 1330 2660 5320 5779 11558 23116 28895 40453 46232 57790 80906 109801 115580 161812 202265 219602 231160 323624 404530 439204 549005 768607 809060 878408 1098010 1537214 1618120 2196020 3074428 3843035 4392040 6148856 7686070 15372140 30744280
• Sum of all divisors σ(n): 83232000
• Sum of proper divisors (its aliquot sum) s(n): 52487720
• 30744280 is an abundant number, because the sum of its proper divisors (52487720) is greater than itself. Its abundance is 21743440

Bases of 30744280

• Binary: 1110101010001111011011000₂
• Hexadecimal: 0x1D51ED8
• Base-36: IAYFS

Squares and roots of 30744280

• 30744280 squared (30744280²) is 945210752718400
• 30744280 cubed (30744280³) is 29059824040585250752000
• The square root of 30744280 is 5544.7524741867
• The cube root of 30744280 is 313.2719008379

Scales and comparisons

• 30,744,280 seconds is equal to 50 weeks, 5 days, 20 hours, 4 minutes, 40 seconds.
• To count from 1 to 30,744,280 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 30744280 cubic inches would be around 26.1 feet tall.

Recreational maths with 30744280

• 30744280 backwards is 08244703
• 30744280 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 30744280's digits is 28
• More coming soon!