1215120
1,215,120 is an even composite number composed of five prime numbers multiplied together.
1215120 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of eighty divisors.
Prime factorization of 1215120:
24 × 3 × 5 × 61 × 83
(2 × 2 × 2 × 2 × 3 × 5 × 61 × 83)See below for interesting mathematical facts about the number 1215120 from the Numbermatics database.
Names of 1215120
- Cardinal: 1215120 can be written as One million, two hundred fifteen thousand, one hundred twenty.
Scientific notation
- Scientific notation: 1.21512 × 106
Factors of 1215120
Divisors of 1215120
- Number of divisors d(n): 80
-
Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 61 80 83 120 122 166 183 240 244 249 305 332 366 415 488 498 610 664 732 830 915 976 996 1220 1245 1328 1464 1660 1830 1992 2440 2490 2928 3320 3660 3984 4880 4980 5063 6640 7320 9960 10126 14640 15189 19920 20252 25315 30378 40504 50630 60756 75945 81008 101260 121512 151890 202520 243024 303780 405040 607560 1215120
- Sum of all divisors σ(n): 3874752
- Sum of proper divisors (its aliquot sum) s(n): 2659632
- 1215120 is an abundant number, because the sum of its proper divisors (2659632) is greater than itself. Its abundance is 1444512
Bases of 1215120
- Binary: 1001010001010100100002
- Hexadecimal: 0x128A90
- Base-36: Q1LC
Squares and roots of 1215120
- 1215120 squared (12151202) is 1476516614400
- 1215120 cubed (12151203) is 1794144868489728000
-
The
square root of 1215120 is 1102.3248160139 -
The
cube root of 1215120 is 106.7103120001
Scales and comparisons
How big is 1215120?- 1,215,120 seconds is equal to 2 weeks, 1 hour, 32 minutes.
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To count from 1 to 1,215,120 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 1215120 cubic inches would be around 8.9 feet tall.
Recreational maths with 1215120
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The information we have on file for 1215120 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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