21931966 (number)

21931966 is an even 8-digits composite number following 21931965 and preceding 21931967. In scientific notation, it is written as 2.1931966 × 10^7. The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors. There are 8683200 positive integers (up to 21931966) that are relatively prime to 21931966.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred thirty-one thousand nine hundred sixty-six

Notation

Scientific notation 2.1931966 × 10^7
Engineering notation 2.1931966 × 10^6

Prime Factorization of 21931966

Prime Factorization 2 × 287 × 19 × 2011

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21931966
Product of the distinct prime numbers

The prime factorization of 21931966 is 2 × 287 × 19 × 2011. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 6, 14, 98, 331, 73, 9971, 5338, 28224, 8188, 533187, 26084, 1635320, 3553525, 47136905, 35678453, 957676004, 990569418, 6090159951, 1736635930

Basic calculations (n = 21931966)

Multiplication

n×y
n×2 43863932
n×3 65795898
n×4 87727864
n×5 109659830

Division

n÷y
n÷2 10965983
n÷3 7310655.3333333
n÷3 5482991.5
n÷5 4386393.2

Exponentiation

ny
n2 481011132625156
n3 1.0549519806356E+22
n4 2.3137170970934E+29
n5 5.074436470707E+36

Nth Root

y√n
2√n 4683.1576954017
3√n 279.91479550332
4√n 68.433600631573
5√n 29.391077828092

Divisors of 21931966

1, 2, 19, 38, 287, 574, 2011, 4022, 5453, 10906, 38209, 76418, 577157, 1154314, 10965983, 21931966

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21931965
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21931966 can be divided by 16 positive divisors. The sum of these divisors (counting 21931966) is 1, the average is 0.0625.

Base conversion 21931966

Base System Value
2 Binary 1010011101010011110111110
3 Ternary 1112021021000001
4 Quaternary 1103222132332
5 Quinary 21103310331
6 Senary 2102024514
8 Octal 123523676
10 Decimal 21931966
12 Duodecimal 741813a
16 Hexadecimal 14ea7be
20 Vigesimal 6h19i6
36 Base36 d22ta

Cryptographic Hash Functions

md5 afbc264f7a1430aa545bddfae7eb10ab
sha1 57c6cce6434c8cc5cc1be53f4825d33d059b835c
sha256 4ef51f22ff84b2afbd42bc90216e62e50c40c0c298adad88b128b1903d420ba8
sha512 0804e7597df96e68e6266fe35e82ac571fd6f928941e1bd8fe095034ee313b70a06c0b87daefe20f724ff38f81a109e2858ce60148c052cf06323cb0c712118a
ripemd-160 51065cf61d331118733d22a3fbf6a4e5b27d6213

21931966 as geometric shapes

Circle

Radius = n
Diameter 43863932
Circumference 137802606.52876
Area 1.5111410405501E+15

Sphere

Radius = n
Volume 4.4189725230066E+22
Surface area 6.0445641622004E+15
Circumference 137802606.52876

Square

Length = n
Perimeter 87727864
Area 481011132625156
Diagonal 31016483.766706

Cube

Length = n
Surface area 2886066795750936
Volume 1.0549519806356E+22
Space diagonal 37987279.421873

Equilateral Triangle

Length = n
Perimeter 65795898
Area 2.0828393017826E+14
Altitude 18993639.710937

Triangular Pyramid

Length = n
Surface area 2.0828393017826E+14
Volume 1.2432728322227E+21
Height 10338827.922235