21109215 (number)

21109215 is an odd 8-digits composite number following 21109214 and preceding 21109216. In scientific notation, it is written as 2.1109215 × 10^7. The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors. There are 11258240 positive integers (up to 21109215) that are relatively prime to 21109215.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred nine thousand two hundred fifteen

Notation

Scientific notation 2.1109215 × 10^7
Engineering notation 2.1109215 × 10^6

Prime Factorization of 21109215

Prime Factorization 15 × 1407281

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21109215
Product of the distinct prime numbers

The prime factorization of 21109215 is 15 × 1407281. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21109215)

Multiplication

n×y
n×2 42218430
n×3 63327645
n×4 84436860
n×5 105546075

Division

n÷y
n÷2 10554607.5
n÷3 7036405
n÷3 5277303.75
n÷5 4221843

Exponentiation

ny
n2 445598957916225
n3 9.4062442064295E+21
n4 1.9855843129603E+29
n5 4.1914126162905E+36

Nth Root

y√n
2√n 4594.4765751933
3√n 276.36987010683
4√n 67.782568372652
5√n 29.167178309835

Divisors of 21109215

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21109214
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21109215 can be divided by 4 positive divisors. The sum of these divisors (counting 21109215) is 1, the average is 0.25.

Base conversion 21109215

Base System Value
2 Binary 1010000100001100111011111
3 Ternary 1110201110101210
4 Quaternary 1100201213133
5 Quinary 20400443330
6 Senary 2032235503
8 Octal 120414737
10 Decimal 21109215
12 Duodecimal 709bb93
16 Hexadecimal 14219df
20 Vigesimal 6bid0f
36 Base36 ckfz3

Cryptographic Hash Functions

md5 3c22532d7ab6b9271bad8e53655275dc
sha1 e777791cfe77930ad17c1de182ef37e0d49615cc
sha256 12ffd70363207517fcbb27067df9510642543c67df7b7d71ef35deee808e3887
sha512 60965e40e7b01be91ac4b55f419e36094b9b1c7409494e3b45a2cb882601ce2c6cb9d9ee9916440cedb8a4c077b984d860d480bd23e69789552c94756039a021
ripemd-160 62f4b9b99adc5bd645d60f76d5e866ef3243fbbf

21109215 as geometric shapes

Circle

Radius = n
Diameter 42218430
Circumference 132633109.53409
Area 1.3998904126369E+15

Sphere

Radius = n
Volume 3.9400783595721E+22
Surface area 5.5995616505475E+15
Circumference 132633109.53409

Square

Length = n
Perimeter 84436860
Area 445598957916225
Diagonal 29852938.14405

Cube

Length = n
Surface area 2673593747497350
Volume 9.4062442064295E+21
Space diagonal 36562232.887895

Equilateral Triangle

Length = n
Perimeter 63327645
Area 1.9295000872766E+14
Altitude 18281116.443948

Triangular Pyramid

Length = n
Surface area 1.9295000872766E+14
Volume 1.1085365106438E+21
Height 9950979.3813499