21521454 (number)

21521454 is an even 8-digits composite number following 21521453 and preceding 21521455. In scientific notation, it is written as 2.1521454 × 10^7. The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors. There are 7173816 positive integers (up to 21521454) that are relatively prime to 21521454.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred twenty-one thousand four hundred fifty-four

Notation

Scientific notation 2.1521454 × 10^7
Engineering notation 2.1521454 × 10^6

Prime Factorization of 21521454

Prime Factorization 2 × 3 × 3586909

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21521454
Product of the distinct prime numbers

The prime factorization of 21521454 is 2 × 3 × 3586909. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21521454)

Multiplication

n×y
n×2 43042908
n×3 64564362
n×4 86085816
n×5 107607270

Division

n÷y
n÷2 10760727
n÷3 7173818
n÷3 5380363.5
n÷5 4304290.8

Exponentiation

ny
n2 463172982274116
n3 9.9681560320552E+21
n4 2.145292115087E+29
n5 4.6169805571407E+36

Nth Root

y√n
2√n 4639.1221152283
3√n 278.15734756534
4√n 68.111101262777
5√n 29.280219077092

Divisors of 21521454

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 -21521453
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 21521454 can be divided by 8 positive divisors. The sum of these divisors (counting 21521454) is 1, the average is 0.125.

Base conversion 21521454

Base System Value
2 Binary 1010010000110010000101110
3 Ternary 1111111101212220
4 Quaternary 1102012100232
5 Quinary 21002141304
6 Senary 2045140210
8 Octal 122062056
10 Decimal 21521454
12 Duodecimal 725a666
16 Hexadecimal 148642e
20 Vigesimal 6ea3ce
36 Base36 cta26

Cryptographic Hash Functions

md5 a6e5011d0a497fa8a093f0b5e0aeb255
sha1 f9a8c88ef57d890468085ece9bdd07a84bf7ed38
sha256 8f49c1ae194a5fff19add5ce88796a827e693e50547ac0759b4a61956f6ddbda
sha512 cd3512efc61503f8751077dd5a75d7021ac5a898dcaa0e7c491e717508f382efcc8064afe1e26dba79926b83de26c6d65f0d6082c9e0847f2df7e1714376ad10
ripemd-160 c2a498a9fa01ef4ea2a3be94c02c6e0df4132982

21521454 as geometric shapes

Circle

Radius = n
Diameter 43042908
Circumference 135223283.56194
Area 1.4551008384536E+15

Sphere

Radius = n
Volume 4.1754514346855E+22
Surface area 5.8204033538146E+15
Circumference 135223283.56194

Square

Length = n
Perimeter 86085816
Area 463172982274116
Diagonal 30435932.128789

Cube

Length = n
Surface area 2779037893644696
Volume 9.9681560320552E+21
Space diagonal 37276251.780756

Equilateral Triangle

Length = n
Perimeter 64564362
Area 2.0055978449799E+14
Altitude 18638125.890378

Triangular Pyramid

Length = n
Surface area 2.0055978449799E+14
Volume 1.1747584543653E+21
Height 10145310.709596