21376680
21,376,680 is an even composite number composed of six prime numbers multiplied together.
21376680 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 21376680:
23 × 3 × 5 × 13 × 71 × 193
(2 × 2 × 2 × 3 × 5 × 13 × 71 × 193)See below for interesting mathematical facts about the number 21376680 from the Numbermatics database.
Names of 21376680
- Cardinal: 21376680 can be written as Twenty-one million, three hundred seventy-six thousand, six hundred eighty.
Scientific notation
- Scientific notation: 2.137668 × 107
Factors of 21376680
Divisors of 21376680
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 13 15 20 24 26 30 39 40 52 60 65 71 78 104 120 130 142 156 193 195 213 260 284 312 355 386 390 426 520 568 579 710 772 780 852 923 965 1065 1158 1420 1544 1560 1704 1846 1930 2130 2316 2509 2769 2840 2895 3692 3860 4260 4615 4632 5018 5538 5790 7384 7527 7720 8520 9230 10036 11076 11580 12545 13703 13845 15054 18460 20072 22152 23160 25090 27406 27690 30108 36920 37635 41109 50180 54812 55380 60216 68515 75270 82218 100360 109624 110760 137030 150540 164436 178139 205545 274060 301080 328872 356278 411090 534417 548120 712556 822180 890695 1068834 1425112 1644360 1781390 2137668 2672085 3562780 4275336 5344170 7125560 10688340 21376680
- Sum of all divisors σ(n): 70398720
- Sum of proper divisors (its aliquot sum) s(n): 49022040
- 21376680 is an abundant number, because the sum of its proper divisors (49022040) is greater than itself. Its abundance is 27645360
Bases of 21376680
- Binary: 10100011000101110101010002
- Hexadecimal: 0x1462EA8
- Base-36: CQ6CO
Squares and roots of 21376680
- 21376680 squared (213766802) is 456962447822400
- 21376680 cubed (213766803) is 9768340019116141632000
-
The
square root of 21376680 is 4623.4921866485 -
The
cube root of 21376680 is 277.5322257843
Scales and comparisons
How big is 21376680?- 21,376,680 seconds is equal to 35 weeks, 2 days, 9 hours, 58 minutes.
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To count from 1 to 21,376,680 would take you about two hours!
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 21376680 cubic inches would be around 23.1 feet tall.
Recreational maths with 21376680
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The information we have on file for 21376680 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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