21804540 (number)

21804540 is an even 8-digits composite number following 21804539 and preceding 21804541. In scientific notation, it is written as 2.1804540 × 10^7. The sum of its digits is 24. It has a total of 6 prime factors and 48 positive divisors. There are 5472256 positive integers (up to 21804540) that are relatively prime to 21804540.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1804540 × 10^7
Engineering notation 2.1804540 × 10^6

Prime Factorization of 21804540

Prime Factorization 2 × 2 × 5 × 3 × 17 × 21377

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 10902270
Product of the distinct prime numbers

The prime factorization of 21804540 is 2 × 2 × 5 × 3 × 17 × 21377. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21804540)

Multiplication

n×y
n×2 43609080
n×3 65413620
n×4 87218160
n×5 109022700

Division

n÷y
n÷2 10902270
n÷3 7268180
n÷3 5451135
n÷5 4360908

Exponentiation

ny
n2 475437964611600
n3 1.0366706116892E+22
n4 2.2604125819402E+29
n5 4.9287256559419E+36

Nth Root

y√n
2√n 4669.5331672449
3√n 279.37163512105
4√n 68.333982521472
5√n 29.356845403581

Divisors of 21804540

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21804539
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21804540 can be divided by 48 positive divisors. The sum of these divisors (counting 21804540) is 1, the average is 0.020833333333333.

Base conversion 21804540

Base System Value
2 Binary 1010011001011010111111100
3 Ternary 1112000210012120
4 Quaternary 1103023113330
5 Quinary 21040221130
6 Senary 2055202540
8 Octal 123132774
10 Decimal 21804540
12 Duodecimal 7376450
16 Hexadecimal 14cb5fc
20 Vigesimal 6g5b70
36 Base36 czcho

Cryptographic Hash Functions

md5 cac0dd7574ac019646d791a2fee2cd19
sha1 5c5930192507e119998092d92df7dac5a71bddf3
sha256 8c33a986ab4b63d62f73671a73031ce5cdb02d933ad2078790182b01b91a2257
sha512 640b3db47c1668e9c82ffa98e3be289849c8a72b37b48b74d2e14dfa050dcb3308635d37521a90791c4dd4ccd9e8d20631afb6389988bc29429374219f577802
ripemd-160 170bb67672e6cad5a13512ad9781d079b96dbf2c

21804540 as geometric shapes

Circle

Radius = n
Diameter 43609080
Circumference 137001965.35781
Area 1.4936324168615E+15

Sphere

Radius = n
Volume 4.3423957038337E+22
Surface area 5.9745296674459E+15
Circumference 137001965.35781

Square

Length = n
Perimeter 87218160
Area 475437964611600
Diagonal 30836276.189307

Cube

Length = n
Surface area 2852627787669600
Volume 1.0366706116892E+22
Space diagonal 37766571.115668

Equilateral Triangle

Length = n
Perimeter 65413620
Area 2.0587067763861E+14
Altitude 18883285.557834

Triangular Pyramid

Length = n
Surface area 2.0587067763861E+14
Volume 1.2217280323038E+21
Height 10278758.729769