21221100
21,221,100 is an even composite number composed of six prime numbers multiplied together.
21221100 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred sixteen divisors.
Prime factorization of 21221100:
22 × 32 × 52 × 17 × 19 × 73
(2 × 2 × 3 × 3 × 5 × 5 × 17 × 19 × 73)See below for interesting mathematical facts about the number 21221100 from the Numbermatics database.
Names of 21221100
- Cardinal: 21221100 can be written as Twenty-one million, two hundred twenty-one thousand, one hundred.
Scientific notation
- Scientific notation: 2.12211 × 107
Factors of 21221100
Divisors of 21221100
- Number of divisors d(n): 216
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Complete list of divisors:
1 2 3 4 5 6 9 10 12 15 17 18 19 20 25 30 34 36 38 45 50 51 57 60 68 73 75 76 85 90 95 100 102 114 146 150 153 170 171 180 190 204 219 225 228 255 285 292 300 306 323 340 342 365 380 425 438 450 475 510 570 612 646 657 684 730 765 850 855 876 900 950 969 1020 1095 1140 1241 1275 1292 1314 1387 1425 1460 1530 1615 1700 1710 1825 1900 1938 2190 2482 2550 2628 2774 2850 2907 3060 3230 3285 3420 3650 3723 3825 3876 4161 4275 4380 4845 4964 5100 5475 5548 5700 5814 6205 6460 6570 6935 7300 7446 7650 8075 8322 8550 9690 10950 11169 11628 12410 12483 13140 13870 14535 14892 15300 16150 16425 16644 17100 18615 19380 20805 21900 22338 23579 24225 24820 24966 27740 29070 31025 32300 32850 34675 37230 41610 44676 47158 48450 49932 55845 58140 62050 62415 65700 69350 70737 72675 74460 83220 93075 94316 96900 104025 111690 117895 124100 124830 138700 141474 145350 186150 208050 212211 223380 235790 249660 279225 282948 290700 312075 353685 372300 416100 424422 471580 558450 589475 624150 707370 848844 1061055 1116900 1178950 1248300 1414740 1768425 2122110 2357900 3536850 4244220 5305275 7073700 10610550 21221100
- Sum of all divisors σ(n): 75151440
- Sum of proper divisors (its aliquot sum) s(n): 53930340
- 21221100 is an abundant number, because the sum of its proper divisors (53930340) is greater than itself. Its abundance is 32709240
Bases of 21221100
- Binary: 10100001111001110111011002
- Hexadecimal: 0x143CEEC
- Base-36: CMUB0
Squares and roots of 21221100
- 21221100 squared (212211002) is 450335085210000
- 21221100 cubed (212211003) is 9556605876749931000000
-
The
square root of 21221100 is 4606.6365170263 -
The
cube root of 21221100 is 276.8572902843
Scales and comparisons
How big is 21221100?- 21,221,100 seconds is equal to 35 weeks, 14 hours, 45 minutes.
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To count from 1 to 21,221,100 would take you about four 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 21221100 cubic inches would be around 23.1 feet tall.
Recreational maths with 21221100
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The information we have on file for 21221100 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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