21305425 is an odd 8-digits composite number following 21305424
and preceding 21305426 . In scientific notation, it is written as 2.1305425 × 10^7.
The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors.
There are 16647120 positive integers (up to 21305425) that are relatively prime to 21305425.
21305425 has 8 divisors, whose sum is 22674080
The reverse of 21305425 is 52450312
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty-one million three hundred five thousand four hundred twenty-five
Scientific notation
2.1305425 × 10^7
Engineering notation
2.1305425 × 10^6
Prime Factorization
25 × 43 × 19819
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21305425
Product of the distinct prime numbers
The prime factorization of 21305425 is 25 × 43 × 19819.
Since it has a total of 3 prime factors.
6 , 7 , 77 , 24 , 800 , 132 , 4266 , 4768 , 86928 , 58073 , 178813 , 184287 , 1875728 , 4415373 , 81701125 , 11483935 , 814989233 , 818479477 , 3206785166 , 3894386591
n×2
42610850
n×3
63916275
n×4
85221700
n×5
106527125
n÷2
10652712.5
n÷3
7101808.3333333
n÷3
5326356.25
n÷5
4261085
n2
453921134430625
n3
9.6709826855266E+21
n4
2.0604439628279E+29
n5
4.3898634316732E+36
2 √n
4615.7799990901
3 √n
277.22351597865
4 √n
67.939531931638
5 √n
29.221199572673
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21305424
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21305425 can be divided by 8 positive divisors.
The sum of these divisors (counting 21305425) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001010001100001010001
3
Ternary
1111002102112211
4
Quaternary
1101101201101
5
Quinary
20423233200
6
Senary
2040352121
8
Octal
121214121
10
Decimal
21305425
12
Duodecimal
7175641
16
Hexadecimal
1451851
20
Vigesimal
6d33b5
36
Base36
condd
md5
6a0303d4514d57737099358b54017fdb
sha1
3fa12d86e5a557f9f43996886f5ab73552d81074
sha256
b0f1d7b5b7c8774b28d6c14bab89000b8449d255f40005fe263783447dd3f84e
sha512
21a1858e69636487eacd1461da3efe337cbfdc5a5062568ed554af059e29da06fa03e401e17c12733af21d5ba1cbf70dab9435bd41c08d7ae97ed1246cf9adf7
ripemd-160
d7156a6114edaa9b0b7bace7e873718534c79a92
Diameter
42610850
Circumference
133865933.32322
Area
1.4260353012364E+15
Volume
4.0509717543793E+22
Surface area
5.7041412049456E+15
Circumference
133865933.32322
Perimeter
85221700
Area
453921134430625
Diagonal
30130420.987123
Surface area
2723526806583750
Volume
9.6709826855266E+21
Space diagonal
36902078.576848
Perimeter
63916275
Area
1.9655361686579E+14
Altitude
18451039.288424
Surface area
1.9655361686579E+14
Volume
1.1397362396123E+21
Height
10043473.662374