21979969 (number)

21979969 is an odd 8-digits composite number following 21979968 and preceding 21979970. In scientific notation, it is written as 2.1979969 × 10^7. The sum of its digits is 52. It has a total of 3 prime factors and 8 positive divisors. There are 19803840 positive integers (up to 21979969) that are relatively prime to 21979969.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred seventy-nine thousand nine hundred sixty-nine

Notation

Scientific notation 2.1979969 × 10^7
Engineering notation 2.1979969 × 10^6

Prime Factorization of 21979969

Prime Factorization 11 × 113 × 17683

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21979969
Product of the distinct prime numbers

The prime factorization of 21979969 is 11 × 113 × 17683. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21979969)

Multiplication

n×y
n×2 43959938
n×3 65939907
n×4 87919876
n×5 109899845

Division

n÷y
n÷2 10989984.5
n÷3 7326656.3333333
n÷3 5494992.25
n÷5 4395993.8

Exponentiation

ny
n2 483119037240961
n3 1.0618941461866E+22
n4 2.3340400414463E+29
n5 5.1302127755749E+36

Nth Root

y√n
2√n 4688.279961777
3√n 280.11886534857
4√n 68.471015486679
5√n 29.403932365035

Divisors of 21979969

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21979968
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21979969 can be divided by 8 positive divisors. The sum of these divisors (counting 21979969) is 1, the average is 0.125.

Base conversion 21979969

Base System Value
2 Binary 1010011110110001101000001
3 Ternary 1112100200211221
4 Quaternary 1103312031001
5 Quinary 21111324334
6 Senary 2103035041
8 Octal 123661501
10 Decimal 21979969
12 Duodecimal 743ba81
16 Hexadecimal 14f6341
20 Vigesimal 6h79i9
36 Base36 d33up

Cryptographic Hash Functions

md5 58e178ba6e1874a3b8fa505150fb7f9e
sha1 4655c10922fe7cd8b3ec91bd95ca623bea55902b
sha256 d7e4a2da737921554138cd562b8e7a3868d3e00b6a9c35912305de8ec4af95fd
sha512 b9ccb0f54fe11398bf4a83adee223996ee23854725968d0b75e81fb89d06efd3efba4c727422455be6bdc21daefe5c5e1c8ef02a109059cc635da20f7f517ee5
ripemd-160 d333adaf376dd321c86723c4527d848c5b72596d

21979969 as geometric shapes

Circle

Radius = n
Diameter 43959938
Circumference 138104218.27306
Area 1.5177632182056E+15

Sphere

Radius = n
Volume 4.4480517980665E+22
Surface area 6.0710528728223E+15
Circumference 138104218.27306

Square

Length = n
Perimeter 87919876
Area 483119037240961
Diagonal 31084370.26034

Cube

Length = n
Surface area 2898714223445766
Volume 1.0618941461866E+22
Space diagonal 38070423.056789

Equilateral Triangle

Length = n
Perimeter 65939907
Area 2.0919667965128E+14
Altitude 19035211.528394

Triangular Pyramid

Length = n
Surface area 2.0919667965128E+14
Volume 1.2514542527848E+21
Height 10361456.753447