21490969 (number)

21490969 is an odd 8-digits composite number following 21490968 and preceding 21490970. In scientific notation, it is written as 2.1490969 × 10^7. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 20910096 positive integers (up to 21490969) that are relatively prime to 21490969.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety thousand nine hundred sixty-nine

Notation

Scientific notation 2.1490969 × 10^7
Engineering notation 2.1490969 × 10^6

Prime Factorization of 21490969

Prime Factorization 37 × 580837

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21490969
Product of the distinct prime numbers

The prime factorization of 21490969 is 37 × 580837. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21490969)

Multiplication

n×y
n×2 42981938
n×3 64472907
n×4 85963876
n×5 107454845

Division

n÷y
n÷2 10745484.5
n÷3 7163656.3333333
n÷3 5372742.25
n÷5 4298193.8

Exponentiation

ny
n2 461861748558961
n3 9.9258565205664E+21
n4 2.1331627478194E+29
n5 4.5843734485342E+36

Nth Root

y√n
2√n 4635.8353076873
3√n 278.02594947806
4√n 68.086968706848
5√n 29.271919325059

Divisors of 21490969

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 -21490968
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 21490969 can be divided by 4 positive divisors. The sum of these divisors (counting 21490969) is 1, the average is 0.25.

Base conversion 21490969

Base System Value
2 Binary 1010001111110110100011001
3 Ternary 1111102212001211
4 Quaternary 1101332310121
5 Quinary 21000202334
6 Senary 2044343121
8 Octal 121766431
10 Decimal 21490969
12 Duodecimal 7244aa1
16 Hexadecimal 147ed19
20 Vigesimal 6e6789
36 Base36 csmjd

Cryptographic Hash Functions

md5 e27db6f6947c4d5c4d578662978e9c85
sha1 fe089a3f384cece165765142467ebe488754353b
sha256 1a9e8f4cfa5cd1f91927d41fb51f2df226e22454e5bbaee8260b4ccafd97879d
sha512 bd1694858a33b166d183c5ba1a4a5de71f49c823d11b0e1a9dd98475ed09fce327847949359e023c01ab72c8a25bdee0c9ce134f37512fc2f26b5059ec0e6986
ripemd-160 62da5f22efa08379febd1631b6d7113077ca7709

21490969 as geometric shapes

Circle

Radius = n
Diameter 42981938
Circumference 135031740.65785
Area 1.450981476247E+15

Sphere

Radius = n
Volume 4.1577330567464E+22
Surface area 5.8039259049879E+15
Circumference 135031740.65785

Square

Length = n
Perimeter 85963876
Area 461861748558961
Diagonal 30392819.82834

Cube

Length = n
Surface area 2771170491353766
Volume 9.9258565205664E+21
Space diagonal 37223450.211888

Equilateral Triangle

Length = n
Perimeter 64472907
Area 1.9999200364418E+14
Altitude 18611725.105944

Triangular Pyramid

Length = n
Surface area 1.9999200364418E+14
Volume 1.1697734091295E+21
Height 10130939.94278