21239916 (number)

21239916 is an even 8-digits composite number following 21239915 and preceding 21239917. In scientific notation, it is written as 2.1239916 × 10^7. The sum of its digits is 33. It has a total of 5 prime factors and 24 positive divisors. There are 7068672 positive integers (up to 21239916) that are relatively prime to 21239916.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1239916 × 10^7
Engineering notation 2.1239916 × 10^6

Prime Factorization of 21239916

Prime Factorization 2 × 2 × 3 × 937 × 1889

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10619958
Product of the distinct prime numbers

The prime factorization of 21239916 is 2 × 2 × 3 × 937 × 1889. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21239916)

Multiplication

n×y
n×2 42479832
n×3 63719748
n×4 84959664
n×5 106199580

Division

n÷y
n÷2 10619958
n÷3 7079972
n÷3 5309979
n÷5 4247983.2

Exponentiation

ny
n2 451134031687056
n3 9.5820489377744E+21
n4 2.0352191454622E+29
n5 4.3227883691208E+36

Nth Root

y√n
2√n 4608.6783354884
3√n 276.93909263972
4√n 67.887247222791
5√n 29.203207814622

Divisors of 21239916

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 -21239915
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 21239916 can be divided by 24 positive divisors. The sum of these divisors (counting 21239916) is 1, the average is 0.041666666666667.

Base conversion 21239916

Base System Value
2 Binary 1010001000001100001101100
3 Ternary 1110222002200120
4 Quaternary 1101001201230
5 Quinary 20414134131
6 Senary 2035124540
8 Octal 121014154
10 Decimal 21239916
12 Duodecimal 7143750
16 Hexadecimal 144186c
20 Vigesimal 6cejfg
36 Base36 cn8to

Cryptographic Hash Functions

md5 cb1ef54b53f6b9e6f18aa368c4f631e5
sha1 a26a2da4d65659d2c06d5df428bd0ae41607e30a
sha256 e91002c2263e56935189d981ffca1ec2d6e81e0e965c59eae5f7637c9b2a3252
sha512 d2f8f77383bb1bc3da6104cabd77d1b0f3646de73b134e244116deabac233383a0cee0eeb6204cba81b6d9e7501adf89e577edb5e1574a559931c38f53972645
ripemd-160 a09382bb21d27ac8be6bf7af843183ef651f64d3

21239916 as geometric shapes

Circle

Radius = n
Diameter 42479832
Circumference 133454328.13693
Area 1.4172793597324E+15

Sphere

Radius = n
Volume 4.0137192732333E+22
Surface area 5.6691174389296E+15
Circumference 133454328.13693

Square

Length = n
Perimeter 84959664
Area 451134031687056
Diagonal 30037777.270865

Cube

Length = n
Surface area 2706804190122336
Volume 9.5820489377744E+21
Space diagonal 36788613.660495

Equilateral Triangle

Length = n
Perimeter 63719748
Area 1.9534676597634E+14
Altitude 18394306.830248

Triangular Pyramid

Length = n
Surface area 1.9534676597634E+14
Volume 1.1292552969269E+21
Height 10012592.423622