21521036 is an even 8-digits composite number following 21521035
and preceding 21521037 . In scientific notation, it is written as 2.1521036 × 10^7.
The sum of its digits is 20. It has a total of 4 prime factors and 12 positive divisors.
There are 10732080 positive integers (up to 21521036) that are relatively prime to 21521036.
21521036 has 12 divisors, whose sum is 37761360
The reverse of 21521036 is 63012512
Previous prime number is 389
Is Prime? no
Number parity even
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty-one million five hundred twenty-one thousand thirty-six
Scientific notation
2.1521036 × 10^7
Engineering notation
2.1521036 × 10^6
Prime Factorization
2 × 2 × 389 × 13831
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10760518
Product of the distinct prime numbers
The prime factorization of 21521036 is 2 × 2 × 389 × 13831.
Since it has a total of 4 prime factors.
2 , 5 , 93 , 27 , 613 , 559 , 374 , 811 , 35682 , 3404 , 55649 , 183492 , 4500254 , 1908670 , 3998561 , 57460641 , 566074121 , 216193835 , 7331919757 , 2133442120
n×2
43042072
n×3
64563108
n×4
86084144
n×5
107605180
n÷2
10760518
n÷3
7173678.6666667
n÷3
5380259
n÷5
4304207.2
n2
463154990513296
n3
9.9675752244163E+21
n4
2.1451254523737E+29
n5
4.6165322085051E+36
2 √n
4639.0770633823
3 √n
278.15554671855
4 √n
68.110770538751
5 √n
29.280105337317
1 , 2 , 4 , 389 , 778 , 1556 , 13831 , 27662 , 55324 , 5380259 , 10760518 , 21521036
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21521035
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21521036 can be divided by 12 positive divisors.
The sum of these divisors (counting 21521036) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010010000110001010001100
3
Ternary
1111111101022102
4
Quaternary
1102012022030
5
Quinary
21002133121
6
Senary
2045134232
8
Octal
122061214
10
Decimal
21521036
12
Duodecimal
725a378
16
Hexadecimal
148628c
20
Vigesimal
6ea2bg
36
Base36
ct9qk
md5
f55b6af2d24c5253661e91fd3151f960
sha1
3ebed08864aeea56dfaa0324afc6c492001fa827
sha256
a772a2d9d76fa6a9d6fe92918c048269a4d3db5f12f73413ff1370ff679fa506
sha512
f673b3eb9ea7ab1b9d982a677b15c83ecf5be10850a134bd7eae88a808b2b7d08af1fd88e3c2661f433ca7ad504f27a62da7e671dfb51296b8e1eebe848fa945
ripemd-160
0a51f085ca64f0d8d91a6e9b03a0fc416a57636e
Diameter
43042072
Circumference
135220657.19048
Area
1.45504431567E+15
Volume
4.1752081465507E+22
Surface area
5.8201772626801E+15
Circumference
135220657.19048
Perimeter
86084144
Area
463154990513296
Diagonal
30435340.98752
Surface area
2778929943079776
Volume
9.9675752244163E+21
Space diagonal
37275527.783519
Perimeter
64563108
Area
2.0055199383703E+14
Altitude
18637763.891759
Surface area
2.0055199383703E+14
Volume
1.1746900055286E+21
Height
10145113.662507