21123746 is an even 8-digits composite number following 21123745
and preceding 21123747 . In scientific notation, it is written as 2.1123746 × 10^7.
The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors.
There are 8962800 positive integers (up to 21123746) that are relatively prime to 21123746.
21123746 has 16 divisors, whose sum is 36573120
The reverse of 21123746 is 64732112
Previous prime number is 101
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty-one million one hundred twenty-three thousand seven hundred forty-six
Scientific notation
2.1123746 × 10^7
Engineering notation
2.1123746 × 10^6
Prime Factorization
2 × 7 × 101 × 14939
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21123746
Product of the distinct prime numbers
The prime factorization of 21123746 is 2 × 7 × 101 × 14939.
Since it has a total of 4 prime factors.
7 , 3 , 89 , 17 , 368 , 866 , 909 , 6996 , 89415 , 30326 , 740794 , 16457 , 3523774 , 3815185 , 54077873 , 73981445 , 912865053 , 426388731 , 4557448310 , 4775783694
n×2
42247492
n×3
63371238
n×4
84494984
n×5
105618730
n÷2
10561873
n÷3
7041248.6666667
n÷3
5280936.5
n÷5
4224749.2
n2
446212645072516
n3
9.4256825765E+21
n4
1.9910572462261E+29
n5
4.205858754074E+36
2 √n
4596.0576584721
3 √n
276.43327068725
4 √n
67.794230274206
5 √n
29.17119278044
1 , 2 , 7 , 14 , 101 , 202 , 707 , 1414 , 14939 , 29878 , 104573 , 209146 , 1508839 , 3017678 , 10561873 , 21123746
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21123745
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21123746 can be divided by 16 positive divisors.
The sum of these divisors (counting 21123746) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000100101001010100010
3
Ternary
1110202012022222
4
Quaternary
1100211022202
5
Quinary
20401424441
6
Senary
2032431042
8
Octal
120451242
10
Decimal
21123746
12
Duodecimal
70a8482
16
Hexadecimal
14252a2
20
Vigesimal
6c0976
36
Base36
ckr6q
md5
fdadd042e67c8d093c774e2cdad77be8
sha1
ccd11c27bd12a7db92a08c24dd57f74cf0e0ac6f
sha256
eca0882ad3c54780c34f12712e09e898113784efd4fd42364dd654680cb376f0
sha512
66e6be7618fe5e6a6051a4eac2d07a174f6704f9283ec5b01b24ee3d4ccf360788009d5d3afde7ff78dc0dfab46f85f430e2a3dab102d88dfbcc7a2ce5876f36
ripemd-160
607ef66d0601d1c0dad44215e1b3c844a3526d80
Diameter
42247492
Circumference
132724410.49979
Area
1.4018183676987E+15
Volume
3.9482206849869E+22
Surface area
5.6072734707947E+15
Circumference
132724410.49979
Perimeter
84494984
Area
446212645072516
Diagonal
29873488.081324
Surface area
2677275870435096
Volume
9.4256825765E+21
Space diagonal
36587401.31818
Perimeter
63371238
Area
1.9321574306132E+14
Altitude
18293700.65909
Surface area
1.9321574306132E+14
Volume
1.1108273445258E+21
Height
9957829.3604415