19138028

Names of 19138028

• Cardinal: 19138028 can be written as Nineteen million, one hundred thirty-eight thousand and twenty-eight.

Scientific notation

• Scientific notation: 1.9138028 × 10⁷

Factors of 19138028

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 88

Divisors of 19138028

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 7 13 14 26 28 29 37 49 52 58 74 91 98 116 148 182 196 203 259 343 364 377 406 481 518 637 686 754 812 962 1036 1073 1274 1372 1421 1508 1813 1924 2146 2548 2639 2842 3367 3626 4292 4459 5278 5684 6734 7252 7511 8918 9947 10556 12691 13468 13949 15022 17836 18473 19894 23569 25382 27898 30044 36946 39788 47138 50764 52577 55796 73892 94276 97643 105154 129311 164983 195286 210308 258622 329966 368039 390572 517244 659932 683501 736078 1367002 1472156 2734004 4784507 9569014 19138028
• Sum of all divisors σ(n): 44688000
• Sum of proper divisors (its aliquot sum) s(n): 25549972
• 19138028 is an abundant number, because the sum of its proper divisors (25549972) is greater than itself. Its abundance is 6411944

Bases of 19138028

• Binary: 1001001000000010111101100₂
• Hexadecimal: 0x12405EC
• Base-36: BE6ZW

Squares and roots of 19138028

• 19138028 squared (19138028²) is 366264115728784
• 19138028 cubed (19138028³) is 7009572902212708597952
• The square root of 19138028 is 4374.7031899319
• The cube root of 19138028 is 267.4847716023

Scales and comparisons

• 19,138,028 seconds is equal to 31 weeks, 4 days, 12 hours, 7 minutes, 8 seconds.
• To count from 1 to 19,138,028 would take you about forty-seven 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 19138028 cubic inches would be around 22.3 feet tall.

Recreational maths with 19138028

• 19138028 backwards is 82083191
• The number of decimal digits it has is: 8
• The sum of 19138028's digits is 32
• More coming soon!