21356742 (number)

21356742 is an even 8-digits composite number following 21356741 and preceding 21356743. In scientific notation, it is written as 2.1356742 × 10^7. The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors. There are 6185520 positive integers (up to 21356742) that are relatively prime to 21356742.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred fifty-six thousand seven hundred forty-two

Notation

Scientific notation 2.1356742 × 10^7
Engineering notation 2.1356742 × 10^6

Prime Factorization of 21356742

Prime Factorization 2 × 3 × 253 × 11 × 1279

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21356742
Product of the distinct prime numbers

The prime factorization of 21356742 is 2 × 3 × 253 × 11 × 1279. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21356742)

Multiplication

n×y
n×2 42713484
n×3 64070226
n×4 85426968
n×5 106783710

Division

n÷y
n÷2 10678371
n÷3 7118914
n÷3 5339185.5
n÷5 4271348.4

Exponentiation

ny
n2 456110428854564
n3 9.7410327525563E+21
n4 2.0803672330989E+29
n5 4.4429866262548E+36

Nth Root

y√n
2√n 4621.3355212536
3√n 277.44591430296
4√n 67.980405421368
5√n 29.235262672946

Divisors of 21356742

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21356741
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21356742 can be divided by 32 positive divisors. The sum of these divisors (counting 21356742) is 1, the average is 0.03125.

Base conversion 21356742

Base System Value
2 Binary 1010001011110000011000110
3 Ternary 1111012000221110
4 Quaternary 1101132003012
5 Quinary 20431403432
6 Senary 2041425450
8 Octal 121360306
10 Decimal 21356742
12 Duodecimal 719b286
16 Hexadecimal 145e0c6
20 Vigesimal 6d9bh2
36 Base36 cpqyu

Cryptographic Hash Functions

md5 28ca813d3508d8dc21523f706e40e9d2
sha1 9f70834e80e695b47d0076d6a33e0ece0fcde177
sha256 cd87e5b0c30c81eb51d9b0e6cccc96a6feda098d2f27ebde81589b342cd28b61
sha512 318be373fc359a46f70ac9f07d113127ad3c0c9986657cfc37024408ff74677d9fb5d03493f101f54f82a6818cdb664ff13c5eff8c3d430c6ed06b0f8f15c968
ripemd-160 4229388562fd8a76a59aad65db624c5f6efadf31

21356742 as geometric shapes

Circle

Radius = n
Diameter 42713484
Circumference 134188367.54363
Area 1.4329131725152E+15

Sphere

Radius = n
Volume 4.0803142578411E+22
Surface area 5.7316526900608E+15
Circumference 134188367.54363

Square

Length = n
Perimeter 85426968
Area 456110428854564
Diagonal 30202994.184503

Cube

Length = n
Surface area 2736662573127384
Volume 9.7410327525563E+21
Space diagonal 36990962.22814

Equilateral Triangle

Length = n
Perimeter 64070226
Area 1.9750160915953E+14
Altitude 18495481.11407

Triangular Pyramid

Length = n
Surface area 1.9750160915953E+14
Volume 1.1479917191821E+21
Height 10067664.728168