1242720
1,242,720 is an even composite number composed of four prime numbers multiplied together.
1242720 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 1242720:
25 × 32 × 5 × 863
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 863)See below for interesting mathematical facts about the number 1242720 from the Numbermatics database.
Names of 1242720
- Cardinal: 1242720 can be written as One million, two hundred forty-two thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 1.24272 × 106
Factors of 1242720
Divisors of 1242720
- Number of divisors d(n): 72
-
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 72 80 90 96 120 144 160 180 240 288 360 480 720 863 1440 1726 2589 3452 4315 5178 6904 7767 8630 10356 12945 13808 15534 17260 20712 25890 27616 31068 34520 38835 41424 51780 62136 69040 77670 82848 103560 124272 138080 155340 207120 248544 310680 414240 621360 1242720
- Sum of all divisors σ(n): 4245696
- Sum of proper divisors (its aliquot sum) s(n): 3002976
- 1242720 is an abundant number, because the sum of its proper divisors (3002976) is greater than itself. Its abundance is 1760256
Bases of 1242720
- Binary: 1001011110110011000002
- Hexadecimal: 0x12F660
- Base-36: QMW0
Squares and roots of 1242720
- 1242720 squared (12427202) is 1544352998400
- 1242720 cubed (12427203) is 1919198358171648000
-
The
square root of 1242720 is 1114.7735195993 -
The
cube root of 1242720 is 107.5122034103
Scales and comparisons
How big is 1242720?- 1,242,720 seconds is equal to 2 weeks, 9 hours, 12 minutes.
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To count from 1 to 1,242,720 would take you about three 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 1242720 cubic inches would be around 9 feet tall.
Recreational maths with 1242720
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The information we have on file for 1242720 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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