21319320
21,319,320 is an even composite number composed of six prime numbers multiplied together.
21319320 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 21319320:
23 × 3 × 5 × 11 × 31 × 521
(2 × 2 × 2 × 3 × 5 × 11 × 31 × 521)See below for interesting mathematical facts about the number 21319320 from the Numbermatics database.
Names of 21319320
- Cardinal: 21319320 can be written as Twenty-one million, three hundred nineteen thousand, three hundred twenty.
Scientific notation
- Scientific notation: 2.131932 × 107
Factors of 21319320
Divisors of 21319320
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 3 4 5 6 8 10 11 12 15 20 22 24 30 31 33 40 44 55 60 62 66 88 93 110 120 124 132 155 165 186 220 248 264 310 330 341 372 440 465 521 620 660 682 744 930 1023 1042 1240 1320 1364 1563 1705 1860 2046 2084 2605 2728 3126 3410 3720 4092 4168 5115 5210 5731 6252 6820 7815 8184 10230 10420 11462 12504 13640 15630 16151 17193 20460 20840 22924 28655 31260 32302 34386 40920 45848 48453 57310 62520 64604 68772 80755 85965 96906 114620 129208 137544 161510 171930 177661 193812 229240 242265 323020 343860 355322 387624 484530 532983 646040 687720 710644 888305 969060 1065966 1421288 1776610 1938120 2131932 2664915 3553220 4263864 5329830 7106440 10659660 21319320
- Sum of all divisors σ(n): 72161280
- Sum of proper divisors (its aliquot sum) s(n): 50841960
- 21319320 is an abundant number, because the sum of its proper divisors (50841960) is greater than itself. Its abundance is 29522640
Bases of 21319320
- Binary: 10100010101001110100110002
- Hexadecimal: 0x1454E98
- Base-36: COY3C
Squares and roots of 21319320
- 21319320 squared (213193202) is 454513405262400
- 21319320 cubed (213193203) is 9689916731078789568000
-
The
square root of 21319320 is 4617.2849164849 -
The
cube root of 21319320 is 277.2837695471
Scales and comparisons
How big is 21319320?- 21,319,320 seconds is equal to 35 weeks, 1 day, 18 hours, 2 minutes.
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To count from 1 to 21,319,320 would take you about six days!
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 21319320 cubic inches would be around 23.1 feet tall.
Recreational maths with 21319320
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The information we have on file for 21319320 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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