11889990
11,889,990 is an even composite number composed of five prime numbers multiplied together.
11889990 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twelve divisors.
Prime factorization of 11889990:
2 × 36 × 5 × 7 × 233
(2 × 3 × 3 × 3 × 3 × 3 × 3 × 5 × 7 × 233)See below for interesting mathematical facts about the number 11889990 from the Numbermatics database.
Names of 11889990
- Cardinal: 11889990 can be written as Eleven million, eight hundred eighty-nine thousand, nine hundred ninety.
Scientific notation
- Scientific notation: 1.188999 × 107
Factors of 11889990
Divisors of 11889990
- Number of divisors d(n): 112
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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 90 105 126 135 162 189 210 233 243 270 315 378 405 466 486 567 630 699 729 810 945 1134 1165 1215 1398 1458 1631 1701 1890 2097 2330 2430 2835 3262 3402 3495 3645 4194 4893 5103 5670 6291 6990 7290 8155 8505 9786 10206 10485 12582 14679 16310 17010 18873 20970 24465 25515 29358 31455 37746 44037 48930 51030 56619 62910 73395 88074 94365 113238 132111 146790 169857 188730 220185 264222 283095 339714 396333 440370 566190 660555 792666 849285 1188999 1321110 1698570 1981665 2377998 3963330 5944995 11889990
- Sum of all divisors σ(n): 36829728
- Sum of proper divisors (its aliquot sum) s(n): 24939738
- 11889990 is an abundant number, because the sum of its proper divisors (24939738) is greater than itself. Its abundance is 13049748
Bases of 11889990
- Binary: 1011010101101101010001102
- Hexadecimal: 0xB56D46
- Base-36: 72UDI
Squares and roots of 11889990
- 11889990 squared (118899902) is 141371862200100
- 11889990 cubed (118899903) is 1680910027840566999000
-
The
square root of 11889990 is 3448.1864798761 -
The
cube root of 11889990 is 228.2410884721
Scales and comparisons
How big is 11889990?- 11,889,990 seconds is equal to 19 weeks, 4 days, 14 hours, 46 minutes, 30 seconds.
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To count from 1 to 11,889,990 would take you about twenty-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 11889990 cubic inches would be around 19 feet tall.
Recreational maths with 11889990
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