21131216 (number)

21131216 is an even 8-digits composite number following 21131215 and preceding 21131217. In scientific notation, it is written as 2.1131216 × 10^7. The sum of its digits is 17. It has a total of 6 prime factors and 20 positive divisors. There are 10466016 positive integers (up to 21131216) that are relatively prime to 21131216.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred thirty-one thousand two hundred sixteen

Notation

Scientific notation 2.1131216 × 10^7
Engineering notation 2.1131216 × 10^6

Prime Factorization of 21131216

Prime Factorization 2 × 2 × 2 × 2 × 107 × 12343

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2641402
Product of the distinct prime numbers

The prime factorization of 21131216 is 2 × 2 × 2 × 2 × 107 × 12343. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21131216)

Multiplication

n×y
n×2 42262432
n×3 63393648
n×4 84524864
n×5 105656080

Division

n÷y
n÷2 10565608
n÷3 7043738.6666667
n÷3 5282804
n÷5 4226243.2

Exponentiation

ny
n2 446528289638656
n3 9.435685738465E+21
n4 1.9938751344762E+29
n5 4.2133006143646E+36

Nth Root

y√n
2√n 4596.8702396304
3√n 276.46585192181
4√n 67.800223005757
5√n 29.173255653123

Divisors of 21131216

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21131215
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21131216 can be divided by 20 positive divisors. The sum of these divisors (counting 21131216) is 1, the average is 0.05.

Base conversion 21131216

Base System Value
2 Binary 1010000100110111111010000
3 Ternary 1110202120120122
4 Quaternary 1100212333100
5 Quinary 20402144331
6 Senary 2032525412
8 Octal 120467720
10 Decimal 21131216
12 Duodecimal 70b0868
16 Hexadecimal 1426fd0
20 Vigesimal 6c180g
36 Base36 ckwy8

Cryptographic Hash Functions

md5 bdbbee255a2189d8199b6fabd63c3238
sha1 8c6989f284d91e8f68535ed86f7cd18024049f4c
sha256 fd10cf90be6d6dd79a5636e54542de68f70ac83f4bddee97f5dcca8bb8b2df18
sha512 40601d94b50e9fa8460641e4854e989144ca79167b7ea2254c20336130e70ef9d2f881578b2c060065f412557c26b19a697fab23261feea1150678896261c942
ripemd-160 f6985009af17c9fa58e56c7ba65e0a886a3e42f0

21131216 as geometric shapes

Circle

Radius = n
Diameter 42262432
Circumference 132771345.89404
Area 1.4028099943488E+15

Sphere

Radius = n
Volume 3.9524107996725E+22
Surface area 5.6112399773953E+15
Circumference 132771345.89404

Square

Length = n
Perimeter 84524864
Area 446528289638656
Diagonal 29884052.256635

Cube

Length = n
Surface area 2679169737831936
Volume 9.435685738465E+21
Space diagonal 36600339.737712

Equilateral Triangle

Length = n
Perimeter 63393648
Area 1.9335242116775E+14
Altitude 18300169.868856

Triangular Pyramid

Length = n
Surface area 1.9335242116775E+14
Volume 1.112006228469E+21
Height 9961350.7522118