21395345 (number)

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.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred ninety-five thousand three hundred forty-five

Notation

Scientific notation 2.1395345 × 10^7
Engineering notation 2.1395345 × 10^6

Prime Factorization of 21395345

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.

Most popular turbo-numbers

Basic calculations (n = 21395345)

Multiplication

n×y
n×2 42790690
n×3 64186035
n×4 85581380
n×5 106976725

Division

n÷y
n÷2 10697672.5
n÷3 7131781.6666667
n÷3 5348836.25
n÷5 4279069

Exponentiation

ny
n2 457760787669025
n3 9.7939499796505E+21
n4 2.0954493872737E+29
n5 4.4832862570759E+36

Nth Root

y√n
2√n 4625.5102421246
3√n 277.61297783204
4√n 68.011103814926
5√n 29.245823775936

Divisors of 21395345

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 conversion 21395345

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

Cryptographic Hash Functions

md5 5924f3ad43277e49de8a6e0534b34286
sha1 fee395567752757a9b93fbbeda8c3779c16841de
sha256 9eb940d703f6efc22d28f9de79e48ea46b2583c98a26d24ca2af36eb017efeed
sha512 eebe0693f4032652279ddedd23b5dc7bb1dc5657a80be4183d053ac9574cc86fb05d34d9c34a57a7b9a4e6856bc9335f288221d45ecd529b00a1fe1ae38352ca
ripemd-160 8d38c491f4c1395be019feefdd38a2a5b31721b9

21395345 as geometric shapes

Circle

Radius = n
Diameter 42790690
Circumference 134430917.34604
Area 1.4380979276425E+15

Sphere

Radius = n
Volume 4.1024801740928E+22
Surface area 5.7523917105699E+15
Circumference 134430917.34604

Square

Length = n
Perimeter 85581380
Area 457760787669025
Diagonal 30257587.070651

Cube

Length = n
Surface area 2746564726014150
Volume 9.7939499796505E+21
Space diagonal 37057824.585465

Equilateral Triangle

Length = n
Perimeter 64186035
Area 1.9821623548888E+14
Altitude 18528912.292732

Triangular Pyramid

Length = n
Surface area 1.9821623548888E+14
Volume 1.1542280742021E+21
Height 10085862.356884