18000444

Names of 18000444

• Cardinal: 18000444 can be written as Eighteen million, four hundred forty-four.

Scientific notation

• Scientific notation: 1.8000444 × 10⁷

Factors of 18000444

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 46

Divisors of 18000444

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 7 11 12 14 21 22 23 28 33 42 44 46 49 66 69 77 84 92 98 121 132 138 147 154 161 196 231 242 253 276 294 308 322 363 462 483 484 506 539 588 644 726 759 847 924 966 1012 1078 1127 1331 1452 1518 1617 1694 1771 1932 2156 2254 2541 2662 2783 3036 3234 3381 3388 3542 3993 4508 5082 5313 5324 5566 5929 6468 6762 7084 7986 8349 9317 10164 10626 11132 11858 12397 13524 15972 16698 17787 18634 19481 21252 23716 24794 27951 30613 33396 35574 37191 37268 38962 49588 55902 58443 61226 65219 71148 74382 77924 91839 111804 116886 122452 130438 136367 148764 183678 195657 214291 233772 260876 272734 367356 391314 409101 428582 545468 642873 782628 818202 857164 1285746 1500037 1636404 2571492 3000074 4500111 6000148 9000222 18000444
• Sum of all divisors σ(n): 56077056
• Sum of proper divisors (its aliquot sum) s(n): 38076612
• 18000444 is an abundant number, because the sum of its proper divisors (38076612) is greater than itself. Its abundance is 20076168

Bases of 18000444

• Binary: 1000100101010101000111100₂
• Hexadecimal: 0x112AA3C
• Base-36: APT8C

Squares and roots of 18000444

• 18000444 squared (18000444²) is 324015984197136
• 18000444 cubed (18000444³) is 5832431578645431528384
• The square root of 18000444 is 4242.6930126985
• The cube root of 18000444 is 262.0762942349

Scales and comparisons

• 18,000,444 seconds is equal to 29 weeks, 5 days, 8 hours, 7 minutes, 24 seconds.
• To count from 1 to 18,000,444 would take you about forty-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 18000444 cubic inches would be around 21.8 feet tall.

Recreational maths with 18000444

• 18000444 backwards is 44400081
• 18000444 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 18000444's digits is 21
• More coming soon!