19442430

Names of 19442430

• Cardinal: 19442430 can be written as Nineteen million, four hundred forty-two thousand, four hundred thirty.

Scientific notation

• Scientific notation: 1.944243 × 10⁷

Factors of 19442430

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 144

Divisors of 19442430

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 5 6 7 9 10 14 15 18 21 27 30 35 42 45 54 63 70 81 90 105 126 127 135 162 189 210 243 254 270 315 378 381 405 486 567 630 635 729 762 810 889 945 1134 1143 1215 1270 1458 1701 1778 1890 1905 2187 2286 2430 2667 2835 3402 3429 3645 3810 4374 4445 5103 5334 5670 5715 6858 7290 8001 8505 8890 10206 10287 10935 11430 13335 15309 16002 17010 17145 20574 21870 24003 25515 26670 30618 30861 34290 40005 48006 51030 51435 61722 72009 76545 80010 92583 102870 120015 144018 153090 154305 185166 216027 240030 277749 308610 360045 432054 462915 555498 648081 720090 925830 1080135 1296162 1388745 1944243 2160270 2777490 3240405 3888486 6480810 9721215 19442430
• Sum of all divisors σ(n): 60456960
• Sum of proper divisors (its aliquot sum) s(n): 41014530
• 19442430 is an abundant number, because the sum of its proper divisors (41014530) is greater than itself. Its abundance is 21572100

Bases of 19442430

• Binary: 1001010001010101011111110₂
• Hexadecimal: 0x128AAFE
• Base-36: BKPVI

Squares and roots of 19442430

• 19442430 squared (19442430²) is 378008084304900
• 19442430 cubed (19442430³) is 7349395718532116907000
• The square root of 19442430 is 4409.3570959949
• The cube root of 19442430 is 268.8954878385

Scales and comparisons

• 19,442,430 seconds is equal to 32 weeks, 1 day, 40 minutes, 30 seconds.
• To count from 1 to 19,442,430 would take you about forty-eight 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 19442430 cubic inches would be around 22.4 feet tall.

Recreational maths with 19442430

• 19442430 backwards is 03424491
• 19442430 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 19442430's digits is 27
• More coming soon!