21356546 is an even 8-digits composite number following 21356545
and preceding 21356547 . In scientific notation, it is written as 2.1356546 × 10^7.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 10678272 positive integers (up to 21356546) that are relatively prime to 21356546.
21356546 has 4 divisors, whose sum is 32034822
The reverse of 21356546 is 64565312
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-one million three hundred fifty-six thousand five hundred forty-six
Scientific notation
2.1356546 × 10^7
Engineering notation
2.1356546 × 10^6
Prime Factorization
2 × 10678273
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21356546
Product of the distinct prime numbers
The prime factorization of 21356546 is 2 × 10678273.
Since it has a total of 2 prime factors.
7 , 9 , 31 , 11 , 965 , 733 , 6341 , 8305 , 44364 , 77409 , 344904 , 793251 , 9631676 , 4729805 , 17892951 , 7020595 , 78834498 , 715825659 , 8309107146 , 4845796880
n×2
42713092
n×3
64069638
n×4
85426184
n×5
106782730
n÷2
10678273
n÷3
7118848.6666667
n÷3
5339136.5
n÷5
4271309.2
n2
456102057050116
n3
9.7407645620854E+21
n4
2.0802908644535E+29
n5
4.442782754008E+36
2 √n
4621.3143152138
3 √n
277.44506555357
4 √n
67.980249449482
5 √n
29.235209011835
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21356545
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21356546 can be divided by 4 positive divisors.
The sum of these divisors (counting 21356546) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001011110000000000010
3
Ternary
1111012000200012
4
Quaternary
1101132000002
5
Quinary
20431402141
6
Senary
2041424522
8
Octal
121360002
10
Decimal
21356546
12
Duodecimal
719b142
16
Hexadecimal
145e002
20
Vigesimal
6d9b76
36
Base36
cpqte
md5
345264ea3b04b7b7ca5a96e21eeb8641
sha1
8f0e402e153e87e3cae7b62ed0a2e469d2414997
sha256
70f5d39f8567105075cef30cd1caf6b781cffb2d7e5ef7ebcc81dd376848ea9b
sha512
b14e11d7dca47e04f00269da5e0f1539c18e0532580657b99ab43df81745b7a55ef657cb4d582d16ec5218c25198a9aece7e036cd5e21bf98edf8629d127db3f
ripemd-160
22857a99e73b4db075e667e03b1abc44da2bfb93
Diameter
42713092
Circumference
134187136.0393
Area
1.4328868717158E+15
Volume
4.0802019184794E+22
Surface area
5.7315474868633E+15
Circumference
134187136.0393
Perimeter
85426184
Area
456102057050116
Diagonal
30202716.998645
Surface area
2736612342300696
Volume
9.7407645620854E+21
Space diagonal
36990622.746182
Perimeter
64069638
Area
1.9749798406187E+14
Altitude
18495311.373091
Surface area
1.9749798406187E+14
Volume
1.147960112632E+21
Height
10067572.332882