19994992

Names of 19994992

• Cardinal: 19994992 can be written as Nineteen million, nine hundred ninety-four thousand, nine hundred ninety-two.

Scientific notation

• Scientific notation: 1.9994992 × 10⁷

Factors of 19994992

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 164

Divisors of 19994992

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 8 16 17 19 34 38 53 68 73 76 106 136 146 152 212 272 292 304 323 424 584 646 848 901 1007 1168 1241 1292 1387 1802 2014 2482 2584 2774 3604 3869 4028 4964 5168 5548 7208 7738 8056 9928 11096 14416 15476 16112 17119 19856 22192 23579 30952 34238 47158 61904 65773 68476 73511 94316 131546 136952 147022 188632 263092 273904 294044 377264 526184 588088 1052368 1176176 1249687 2499374 4998748 9997496 19994992
• Sum of all divisors σ(n): 44595360
• Sum of proper divisors (its aliquot sum) s(n): 24600368
• 19994992 is an abundant number, because the sum of its proper divisors (24600368) is greater than itself. Its abundance is 4605376

Bases of 19994992

• Binary: 1001100010001100101110000₂
• Hexadecimal: 0x1311970
• Base-36: BWK8G

Squares and roots of 19994992

• 19994992 squared (19994992²) is 399799705080064
• 19994992 cubed (19994992³) is 7993991904678239039488
• The square root of 19994992 is 4471.5760085231
• The cube root of 19994992 is 271.4191034291

Scales and comparisons

• 19,994,992 seconds is equal to 33 weeks, 10 hours, 9 minutes, 52 seconds.
• To count from 1 to 19,994,992 would take you about forty-nine 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 19994992 cubic inches would be around 22.6 feet tall.

Recreational maths with 19994992

• 19994992 backwards is 29949991
• The number of decimal digits it has is: 8
• The sum of 19994992's digits is 52
• More coming soon!