21909423 (number)

21909423 is an odd 8-digits composite number following 21909422 and preceding 21909424. In scientific notation, it is written as 2.1909423 × 10^7. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 14606280 positive integers (up to 21909423) that are relatively prime to 21909423.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred nine thousand four hundred twenty-three

Notation

Scientific notation 2.1909423 × 10^7
Engineering notation 2.1909423 × 10^6

Prime Factorization of 21909423

Prime Factorization 3 × 7303141

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21909423
Product of the distinct prime numbers

The prime factorization of 21909423 is 3 × 7303141. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21909423)

Multiplication

n×y
n×2 43818846
n×3 65728269
n×4 87637692
n×5 109547115

Division

n÷y
n÷2 10954711.5
n÷3 7303141
n÷3 5477355.75
n÷5 4381884.6

Exponentiation

ny
n2 480022816192929
n3 1.0517022929622E+22
n4 2.3042190406579E+29
n5 5.0484109646428E+36

Nth Root

y√n
2√n 4680.7502603749
3√n 279.81885817841
4√n 68.416008801851
5√n 29.385033357254

Divisors of 21909423

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 -21909422
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 21909423 can be divided by 4 positive divisors. The sum of these divisors (counting 21909423) is 1, the average is 0.25.

Base conversion 21909423

Base System Value
2 Binary 1010011100100111110101111
3 Ternary 1112020010002010
4 Quaternary 1103210332233
5 Quinary 21102100143
6 Senary 2101332303
8 Octal 123447657
10 Decimal 21909423
12 Duodecimal 7407093
16 Hexadecimal 14e4faf
20 Vigesimal 6gidb3
36 Base36 d1lf3

Cryptographic Hash Functions

md5 12b849e215e45954d1a915a49c2609b0
sha1 3b7838f60b8fa1114568fe454aa523c9c0575b4f
sha256 9afe57c11d07ee808fc9feb9ffa53e1920a0cca997feaf68b44a4de357a1d0a4
sha512 63c11ad9d9b500b9eacbb9e84aa377dd28e4e8fe5addb67036dcb61aff9f8b7b7b57981cdef1d4d469f7e2990d8b7a7df925fc561acf6a5b62beb5f77d92c3bb
ripemd-160 6ed89da712e960acc55f1ab196fe0d3cdcbae84d

21909423 as geometric shapes

Circle

Radius = n
Diameter 43818846
Circumference 137660964.68238
Area 1.5080361529072E+15

Sphere

Radius = n
Volume 4.4053602631115E+22
Surface area 6.0321446116288E+15
Circumference 137660964.68238

Square

Length = n
Perimeter 87637692
Area 480022816192929
Diagonal 30984603.150369

Cube

Length = n
Surface area 2880136897157574
Volume 1.0517022929622E+22
Space diagonal 37948233.800518

Equilateral Triangle

Length = n
Perimeter 65728269
Area 2.0785597660961E+14
Altitude 18974116.900259

Triangular Pyramid

Length = n
Surface area 2.0785597660961E+14
Volume 1.2394430385717E+21
Height 10328201.050123