9990720
9,990,720 is an even composite number composed of four prime numbers multiplied together.
9990720 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of eighty-four divisors.
Prime factorization of 9990720:
26 × 32 × 5 × 3469
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 3469)See below for interesting mathematical facts about the number 9990720 from the Numbermatics database.
Names of 9990720
- Cardinal: 9990720 can be written as Nine million, nine hundred ninety thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 9.99072 × 106
Factors of 9990720
Divisors of 9990720
- Number of divisors d(n): 84
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 64 72 80 90 96 120 144 160 180 192 240 288 320 360 480 576 720 960 1440 2880 3469 6938 10407 13876 17345 20814 27752 31221 34690 41628 52035 55504 62442 69380 83256 104070 111008 124884 138760 156105 166512 208140 222016 249768 277520 312210 333024 416280 499536 555040 624420 666048 832560 999072 1110080 1248840 1665120 1998144 2497680 3330240 4995360 9990720
- Sum of all divisors σ(n): 34373820
- Sum of proper divisors (its aliquot sum) s(n): 24383100
- 9990720 is an abundant number, because the sum of its proper divisors (24383100) is greater than itself. Its abundance is 14392380
Bases of 9990720
- Binary: 1001100001110010010000002
- Hexadecimal: 0x987240
- Base-36: 5Y4W0
Squares and roots of 9990720
- 9990720 squared (99907202) is 99814486118400
- 9990720 cubed (99907203) is 997218582752821248000
-
The
square root of 9990720 is 3160.8100227631 -
The
cube root of 9990720 is 215.3768045311
Scales and comparisons
How big is 9990720?- 9,990,720 seconds is equal to 16 weeks, 3 days, 15 hours, 12 minutes.
-
To count from 1 to 9,990,720 would take you about twenty-four 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 9990720 cubic inches would be around 17.9 feet tall.
Recreational maths with 9990720
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The information we have on file for 9990720 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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