2439990
2,439,990 is an even composite number composed of five prime numbers multiplied together.
2439990 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 2439990:
2 × 33 × 5 × 7 × 1291
(2 × 3 × 3 × 3 × 5 × 7 × 1291)See below for interesting mathematical facts about the number 2439990 from the Numbermatics database.
Names of 2439990
- Cardinal: 2439990 can be written as Two million, four hundred thirty-nine thousand, nine hundred ninety.
Scientific notation
- Scientific notation: 2.43999 × 106
Factors of 2439990
Divisors of 2439990
- Number of divisors d(n): 64
-
Complete list of divisors:
1 2 3 5 6 7 9 10 14 15 18 21 27 30 35 42 45 54 63 70 90 105 126 135 189 210 270 315 378 630 945 1291 1890 2582 3873 6455 7746 9037 11619 12910 18074 19365 23238 27111 34857 38730 45185 54222 58095 69714 81333 90370 116190 135555 162666 174285 243999 271110 348570 406665 487998 813330 1219995 2439990
- Sum of all divisors σ(n): 7441920
- Sum of proper divisors (its aliquot sum) s(n): 5001930
- 2439990 is an abundant number, because the sum of its proper divisors (5001930) is greater than itself. Its abundance is 2561940
Bases of 2439990
- Binary: 10010100111011001101102
- Hexadecimal: 0x253B36
- Base-36: 1GAPI
Squares and roots of 2439990
- 2439990 squared (24399902) is 5953551200100
- 2439990 cubed (24399903) is 14526605392731999000
-
The
square root of 2439990 is 1562.0467342561 -
The
cube root of 2439990 is 134.6261260293
Scales and comparisons
How big is 2439990?- 2,439,990 seconds is equal to 4 weeks, 5 hours, 46 minutes, 30 seconds.
-
To count from 1 to 2,439,990 would take you about six 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 2439990 cubic inches would be around 11.2 feet tall.
Recreational maths with 2439990
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