28890444

Names of 28890444

• Cardinal: 28890444 can be written as Twenty-eight million, eight hundred ninety thousand, four hundred forty-four.

Scientific notation

• Scientific notation: 2.8890444 × 10⁷

Factors of 28890444

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 314

Divisors of 28890444

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 11 12 22 33 44 66 101 121 132 197 202 242 303 363 394 404 484 591 606 726 788 1111 1182 1212 1452 2167 2222 2364 3333 4334 4444 6501 6666 8668 12221 13002 13332 19897 23837 24442 26004 36663 39794 47674 48884 59691 71511 73326 79588 95348 119382 143022 146652 218867 238764 286044 437734 656601 875468 1313202 2407537 2626404 4815074 7222611 9630148 14445222 28890444
• Sum of all divisors σ(n): 75209904
• Sum of proper divisors (its aliquot sum) s(n): 46319460
• 28890444 is an abundant number, because the sum of its proper divisors (46319460) is greater than itself. Its abundance is 17429016

Bases of 28890444

• Binary: 1101110001101010101001100₂
• Hexadecimal: 0x1B8D54C
• Base-36: H780C

Squares and roots of 28890444

• 28890444 squared (28890444²) is 834657754517136
• 28890444 cubed (28890444³) is 24113633116043064648384
• The square root of 28890444 is 5374.9831627643
• The cube root of 28890444 is 306.8443084413

Scales and comparisons

• 28,890,444 seconds is equal to 47 weeks, 5 days, 9 hours, 7 minutes, 24 seconds.
• To count from 1 to 28,890,444 would take you about nineteen 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 28890444 cubic inches would be around 25.6 feet tall.

Recreational maths with 28890444

• 28890444 backwards is 44409882
• The number of decimal digits it has is: 8
• The sum of 28890444's digits is 39
• More coming soon!