21308540 (number)

21308540 is an even 8-digits composite number following 21308539 and preceding 21308541. In scientific notation, it is written as 2.1308540 × 10^7. The sum of its digits is 23. It has a total of 5 prime factors and 24 positive divisors. There are 7748480 positive integers (up to 21308540) that are relatively prime to 21308540.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1308540 × 10^7
Engineering notation 2.1308540 × 10^6

Prime Factorization of 21308540

Prime Factorization 2 × 2 × 5 × 11 × 96857

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10654270
Product of the distinct prime numbers

The prime factorization of 21308540 is 2 × 2 × 5 × 11 × 96857. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21308540)

Multiplication

n×y
n×2 42617080
n×3 63925620
n×4 85234160
n×5 106542700

Division

n÷y
n÷2 10654270
n÷3 7102846.6666667
n÷3 5327135
n÷5 4261708

Exponentiation

ny
n2 454053876931600
n3 9.6752251987521E+21
n4 2.0616492315662E+29
n5 4.3930735116797E+36

Nth Root

y√n
2√n 4616.1174161843
3√n 277.23702598326
4√n 67.94201510247
5√n 29.222053990867

Divisors of 21308540

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21308539
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21308540 can be divided by 24 positive divisors. The sum of these divisors (counting 21308540) is 1, the average is 0.041666666666667.

Base conversion 21308540

Base System Value
2 Binary 1010001010010010001111100
3 Ternary 1111002120211012
4 Quaternary 1101102101330
5 Quinary 20423333130
6 Senary 2040414352
8 Octal 121222174
10 Decimal 21308540
12 Duodecimal 71773b8
16 Hexadecimal 145247c
20 Vigesimal 6d3b70
36 Base36 coprw

Cryptographic Hash Functions

md5 3f279e3377434aecb35fb10c907be3de
sha1 56928686c563fc7f778ec646a3d62d9a79347abc
sha256 413d323dec71b099fa63fe32b909c4d88efc8d690fcb65f2b81f882806ee27d3
sha512 8df8018883a46bacbf9f9ff1d506975c05fe606e051b9c286c4ad642ba1655f7994b01822860ab6dbb9b8111378e1e48e13025b3f3ad7e39d90bd7f437a2ee6e
ripemd-160 fda8f0217b1aaf7a826b78424c728d98ae69794f

21308540 as geometric shapes

Circle

Radius = n
Diameter 42617080
Circumference 133885505.44545
Area 1.4264523241023E+15

Sphere

Radius = n
Volume 4.0527488541635E+22
Surface area 5.7058092964091E+15
Circumference 133885505.44545

Square

Length = n
Perimeter 85234160
Area 454053876931600
Diagonal 30134826.26237

Cube

Length = n
Surface area 2724323261589600
Volume 9.6752251987521E+21
Space diagonal 36907473.915114

Equilateral Triangle

Length = n
Perimeter 63925620
Area 1.9661109605479E+14
Altitude 18453736.957557

Triangular Pyramid

Length = n
Surface area 1.9661109605479E+14
Volume 1.1402362245908E+21
Height 10044942.087457