21013923 (number)

21013923 is an odd 8-digits composite number following 21013922 and preceding 21013924. In scientific notation, it is written as 2.1013923 × 10^7. The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors. There are 11975040 positive integers (up to 21013923) that are relatively prime to 21013923.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1013923 × 10^7
Engineering notation 2.1013923 × 10^6

Prime Factorization of 21013923

Prime Factorization 3 × 7 × 433 × 2311

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21013923
Product of the distinct prime numbers

The prime factorization of 21013923 is 3 × 7 × 433 × 2311. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 7, 70, 14, 451, 444, 3647, 2971, 549, 50006, 248781, 680113, 5596288, 8474394, 2417033, 39560733, 79445882, 380139148, 6413853997, 2028711993

Basic calculations (n = 21013923)

Multiplication

n×y
n×2 42027846
n×3 63041769
n×4 84055692
n×5 105069615

Division

n÷y
n÷2 10506961.5
n÷3 7004641
n÷3 5253480.75
n÷5 4202784.6

Exponentiation

ny
n2 441584959849929
n3 9.2794323442445E+21
n4 1.9499727676566E+29
n5 4.0976577591633E+36

Nth Root

y√n
2√n 4584.0945670874
3√n 275.95337639251
4√n 67.705941889079
5√n 29.14079711908

Divisors of 21013923

1, 3, 7, 21, 433, 1299, 2311, 3031, 6933, 9093, 16177, 48531, 1000663, 3001989, 7004641, 21013923

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21013922
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21013923 can be divided by 16 positive divisors. The sum of these divisors (counting 21013923) is 1, the average is 0.0625.

Base conversion 21013923

Base System Value
2 Binary 1010000001010010110100011
3 Ternary 1110112121200110
4 Quaternary 1100022112203
5 Quinary 20334421143
6 Senary 2030222403
8 Octal 120122643
10 Decimal 21013923
12 Duodecimal 7054a03
16 Hexadecimal 140a5a3
20 Vigesimal 6b6eg3
36 Base36 cieg3

Cryptographic Hash Functions

md5 6d4a16ca5026a86e2c88147750c12164
sha1 a2b5ef8e49b83292d2d22f6bd9fb9760d3ba7799
sha256 fccf05ac754af97e71a94a1e223e358add0e36d087ae3ab80d21108a7f512e5b
sha512 2991ca22e94e6e85cd806e6c73bd48983d2990c39ca0d398943068073ef17260da278f15eba7d3f5cd2ce6c412524b342d9d43dd588367b17ba74b3f1b3397d7
ripemd-160 99a8bc8d77151c62ef5043f6541a84ca03a00446

21013923 as geometric shapes

Circle

Radius = n
Diameter 42027846
Circumference 132034372.2398
Area 1.3872800658003E+15

Sphere

Radius = n
Volume 3.8869595309549E+22
Surface area 5.5491202632011E+15
Circumference 132034372.2398

Square

Length = n
Perimeter 84055692
Area 441584959849929
Diagonal 29718174.905264

Cube

Length = n
Surface area 2649509759099574
Volume 9.2794323442445E+21
Space diagonal 36397182.30234

Equilateral Triangle

Length = n
Perimeter 63041769
Area 1.9121189657958E+14
Altitude 18198591.15117

Triangular Pyramid

Length = n
Surface area 1.9121189657958E+14
Volume 1.0935915893628E+21
Height 9906058.3017546