21395345 is an odd 8-digits composite number following 21395344
and preceding 21395346 . In scientific notation, it is written as 2.1395345 × 10^7.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 17116272 positive integers (up to 21395345) that are relatively prime to 21395345.
21395345 has 4 divisors, whose sum is 25674420
The reverse of 21395345 is 54359312
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-one million three hundred ninety-five thousand three hundred forty-five
Scientific notation
2.1395345 × 10^7
Engineering notation
2.1395345 × 10^6
Prime Factorization
5 × 4279069
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21395345
Product of the distinct prime numbers
The prime factorization of 21395345 is 5 × 4279069.
Since it has a total of 2 prime factors.
7 , 10 , 9 , 39 , 808 , 33 , 449 , 5427 , 46291 , 37262 , 876630 , 533174 , 9786109 , 2311784 , 68636341 , 6496511 , 427906041 , 825244577 , 5605104476 , 6295323990
n×2
42790690
n×3
64186035
n×4
85581380
n×5
106976725
n÷2
10697672.5
n÷3
7131781.6666667
n÷3
5348836.25
n÷5
4279069
n2
457760787669025
n3
9.7939499796505E+21
n4
2.0954493872737E+29
n5
4.4832862570759E+36
2 √n
4625.5102421246
3 √n
277.61297783204
4 √n
68.011103814926
5 √n
29.245823775936
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
-21395344
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 21395345 can be divided by 4 positive divisors.
The sum of these divisors (counting 21395345) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001100111011110010001
3
Ternary
1111020222220012
4
Quaternary
1101213132101
5
Quinary
20434122340
6
Senary
2042324305
8
Octal
121473621
10
Decimal
21395345
12
Duodecimal
71b9695
16
Hexadecimal
1467791
20
Vigesimal
6de875
36
Base36
cqkr5
md5
5924f3ad43277e49de8a6e0534b34286
sha1
fee395567752757a9b93fbbeda8c3779c16841de
sha256
9eb940d703f6efc22d28f9de79e48ea46b2583c98a26d24ca2af36eb017efeed
sha512
eebe0693f4032652279ddedd23b5dc7bb1dc5657a80be4183d053ac9574cc86fb05d34d9c34a57a7b9a4e6856bc9335f288221d45ecd529b00a1fe1ae38352ca
ripemd-160
8d38c491f4c1395be019feefdd38a2a5b31721b9
Diameter
42790690
Circumference
134430917.34604
Area
1.4380979276425E+15
Volume
4.1024801740928E+22
Surface area
5.7523917105699E+15
Circumference
134430917.34604
Perimeter
85581380
Area
457760787669025
Diagonal
30257587.070651
Surface area
2746564726014150
Volume
9.7939499796505E+21
Space diagonal
37057824.585465
Perimeter
64186035
Area
1.9821623548888E+14
Altitude
18528912.292732
Surface area
1.9821623548888E+14
Volume
1.1542280742021E+21
Height
10085862.356884