21271320
21,271,320 is an even composite number composed of six prime numbers multiplied together.
21271320 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 21271320:
23 × 32 × 5 × 7 × 23 × 367
(2 × 2 × 2 × 3 × 3 × 5 × 7 × 23 × 367)See below for interesting mathematical facts about the number 21271320 from the Numbermatics database.
Names of 21271320
- Cardinal: 21271320 can be written as Twenty-one million, two hundred seventy-one thousand, three hundred twenty.
Scientific notation
- Scientific notation: 2.127132 × 107
Factors of 21271320
Divisors of 21271320
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 23 24 28 30 35 36 40 42 45 46 56 60 63 69 70 72 84 90 92 105 115 120 126 138 140 161 168 180 184 207 210 230 252 276 280 315 322 345 360 367 414 420 460 483 504 552 630 644 690 734 805 828 840 920 966 1035 1101 1260 1288 1380 1449 1468 1610 1656 1835 1932 2070 2202 2415 2520 2569 2760 2898 2936 3220 3303 3670 3864 4140 4404 4830 5138 5505 5796 6440 6606 7245 7340 7707 8280 8441 8808 9660 10276 11010 11592 12845 13212 14490 14680 15414 16515 16882 19320 20552 22020 23121 25323 25690 26424 28980 30828 33030 33764 38535 42205 44040 46242 50646 51380 57960 59087 61656 66060 67528 75969 77070 84410 92484 101292 102760 115605 118174 126615 132120 151938 154140 168820 177261 184968 202584 231210 236348 253230 295435 303876 308280 337640 354522 379845 462420 472696 506460 531783 590870 607752 709044 759690 886305 924840 1012920 1063566 1181740 1418088 1519380 1772610 2127132 2363480 2658915 3038760 3545220 4254264 5317830 7090440 10635660 21271320
- Sum of all divisors σ(n): 82667520
- Sum of proper divisors (its aliquot sum) s(n): 61396200
- 21271320 is an abundant number, because the sum of its proper divisors (61396200) is greater than itself. Its abundance is 40124880
Bases of 21271320
- Binary: 10100010010010011000110002
- Hexadecimal: 0x1449318
- Base-36: CNX20
Squares and roots of 21271320
- 21271320 squared (212713202) is 452469054542400
- 21271320 cubed (212713203) is 9624614049268843968000
-
The
square root of 21271320 is 4612.0841275935 -
The
cube root of 21271320 is 277.0755136517
Scales and comparisons
How big is 21271320?- 21,271,320 seconds is equal to 35 weeks, 1 day, 4 hours, 42 minutes.
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To count from 1 to 21,271,320 would take you about five 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 21271320 cubic inches would be around 23.1 feet tall.
Recreational maths with 21271320
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