21164160
21,164,160 is an even composite number composed of five prime numbers multiplied together.
21164160 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 21164160:
27 × 3 × 5 × 73 × 151
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 73 × 151)See below for interesting mathematical facts about the number 21164160 from the Numbermatics database.
Names of 21164160
- Cardinal: 21164160 can be written as Twenty-one million, one hundred sixty-four thousand, one hundred sixty.
Scientific notation
- Scientific notation: 2.116416 × 107
Factors of 21164160
Divisors of 21164160
- Number of divisors d(n): 128
-
Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 73 80 96 120 128 146 151 160 192 219 240 292 302 320 365 384 438 453 480 584 604 640 730 755 876 906 960 1095 1168 1208 1460 1510 1752 1812 1920 2190 2265 2336 2416 2920 3020 3504 3624 4380 4530 4672 4832 5840 6040 7008 7248 8760 9060 9344 9664 11023 11680 12080 14016 14496 17520 18120 19328 22046 23360 24160 28032 28992 33069 35040 36240 44092 46720 48320 55115 57984 66138 70080 72480 88184 96640 110230 132276 140160 144960 165345 176368 220460 264552 289920 330690 352736 440920 529104 661380 705472 881840 1058208 1322760 1410944 1763680 2116416 2645520 3527360 4232832 5291040 7054720 10582080 21164160
- Sum of all divisors σ(n): 68837760
- Sum of proper divisors (its aliquot sum) s(n): 47673600
- 21164160 is an abundant number, because the sum of its proper divisors (47673600) is greater than itself. Its abundance is 26509440
Bases of 21164160
- Binary: 10100001011110000100000002
- Hexadecimal: 0x142F080
- Base-36: CLMDC
Squares and roots of 21164160
- 21164160 squared (211641602) is 447921668505600
- 21164160 cubed (211641603) is 9479885859719479296000
-
The
square root of 21164160 is 4600.4521516911 -
The
cube root of 21164160 is 276.6094493055
Scales and comparisons
How big is 21164160?- 21,164,160 seconds is equal to 34 weeks, 6 days, 22 hours, 56 minutes.
-
To count from 1 to 21,164,160 would take you about three 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 21164160 cubic inches would be around 23.1 feet tall.
Recreational maths with 21164160
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The information we have on file for 21164160 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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