21279983 (number)

21279983 is an odd 8-digits composite number following 21279982 and preceding 21279984. In scientific notation, it is written as 2.1279983 × 10^7. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 21178920 positive integers (up to 21279983) that are relatively prime to 21279983.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred seventy-nine thousand nine hundred eighty-three

Notation

Scientific notation 2.1279983 × 10^7
Engineering notation 2.1279983 × 10^6

Prime Factorization of 21279983

Prime Factorization 211 × 100853

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21279983
Product of the distinct prime numbers

The prime factorization of 21279983 is 211 × 100853. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21279983)

Multiplication

n×y
n×2 42559966
n×3 63839949
n×4 85119932
n×5 106399915

Division

n÷y
n÷2 10639991.5
n÷3 7093327.6666667
n÷3 5319995.75
n÷5 4255996.6

Exponentiation

ny
n2 452837676480289
n3 9.6363780572601E+21
n4 2.0506196124007E+29
n5 4.3637150491353E+36

Nth Root

y√n
2√n 4613.0231952593
3√n 277.11312265447
4√n 67.919240243537
5√n 29.214217302849

Divisors of 21279983

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 -21279982
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 21279983 can be divided by 4 positive divisors. The sum of these divisors (counting 21279983) is 1, the average is 0.25.

Base conversion 21279983

Base System Value
2 Binary 1010001001011010011101111
3 Ternary 1111001010122112
4 Quaternary 1101023103233
5 Quinary 20421424413
6 Senary 2040034235
8 Octal 121132357
10 Decimal 21279983
12 Duodecimal 716297b
16 Hexadecimal 144b4ef
20 Vigesimal 6cjjj3
36 Base36 co3qn

Cryptographic Hash Functions

md5 0d0f815c05407d34bac228053f73442d
sha1 3dd5fa4bd214afddf877f7ee725f892d510ff712
sha256 6a65b93ef068a13b63a0e50a1404f2d264bf3cabfc5daf8b8d792966fc203acb
sha512 f047ff617be6ad0d8df470046cb34d92ba5dee8905d0a5e8585e20e1c0791144e8fd39be0a64b3dda1f6ea88c8b3335af0d8c0e691f8abbcb117d1772fd8ad7b
ripemd-160 950dafcc584f5ebe7461d554697b6fb6d5b36912

21279983 as geometric shapes

Circle

Radius = n
Diameter 42559966
Circumference 133706076.52263
Area 1.4226315176991E+15

Sphere

Radius = n
Volume 4.0364766015869E+22
Surface area 5.6905260707966E+15
Circumference 133706076.52263

Square

Length = n
Perimeter 85119932
Area 452837676480289
Diagonal 30094440.565669

Cube

Length = n
Surface area 2717026058881734
Volume 9.6363780572601E+21
Space diagonal 36858011.740202

Equilateral Triangle

Length = n
Perimeter 63839949
Area 1.9608446581132E+14
Altitude 18429005.870101

Triangular Pyramid

Length = n
Surface area 1.9608446581132E+14
Volume 1.135658045061E+21
Height 10031480.188556