21669439 (number)

21669439 is an odd 8-digits composite number following 21669438 and preceding 21669440. In scientific notation, it is written as 2.1669439 × 10^7. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 19699480 positive integers (up to 21669439) that are relatively prime to 21669439.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1669439 × 10^7
Engineering notation 2.1669439 × 10^6

Prime Factorization of 21669439

Prime Factorization 11 × 1969949

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21669439
Product of the distinct prime numbers

The prime factorization of 21669439 is 11 × 1969949. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21669439)

Multiplication

n×y
n×2 43338878
n×3 65008317
n×4 86677756
n×5 108347195

Division

n÷y
n÷2 10834719.5
n÷3 7223146.3333333
n÷3 5417359.75
n÷5 4333887.8

Exponentiation

ny
n2 469564586574721
n3 1.0175201165341E+22
n4 2.2049090096509E+29
n5 4.777914128518E+36

Nth Root

y√n
2√n 4655.0444681012
3√n 278.79344346254
4√n 68.227886293665
5√n 29.320375883404

Divisors of 21669439

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 -21669438
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 21669439 can be divided by 4 positive divisors. The sum of these divisors (counting 21669439) is 1, the average is 0.25.

Base conversion 21669439

Base System Value
2 Binary 1010010101010011000111111
3 Ternary 1111202220212211
4 Quaternary 1102222120333
5 Quinary 21021410224
6 Senary 2052241251
8 Octal 122523077
10 Decimal 21669439
12 Duodecimal 7310227
16 Hexadecimal 14aa63f
20 Vigesimal 6f8dbj
36 Base36 cwg8v

Cryptographic Hash Functions

md5 174a09c3e2dd7352de8d03f85e9b527a
sha1 89844c1d295c55920c14a2b094edb7072e065223
sha256 2b79493db12343ad9711dc56ee436b6c89297f1ba52f4c3cd38dd014d9d92708
sha512 625fc9e6dbe3df9b2d929f49293dc627c37f09b00c32bffd9200028a432a6a4a5bb2384172269e5056ad46f6bccf854b97d0e4e7b88818a74a8a3f65b38441b0
ripemd-160 475eb6a1f085cf043c82fc730425b4f02a739e5b

21669439 as geometric shapes

Circle

Radius = n
Diameter 43338878
Circumference 136153100.73962
Area 1.4751806555691E+15

Sphere

Radius = n
Volume 4.2621782973112E+22
Surface area 5.9007226222763E+15
Circumference 136153100.73962

Square

Length = n
Perimeter 86677756
Area 469564586574721
Diagonal 30645214.522816

Cube

Length = n
Surface area 2817387519448326
Volume 1.0175201165341E+22
Space diagonal 37532569.319515

Equilateral Triangle

Length = n
Perimeter 65008317
Area 2.0332743034562E+14
Altitude 18766284.659757

Triangular Pyramid

Length = n
Surface area 2.0332743034562E+14
Volume 1.199158957325E+21
Height 10215071.507605