21386906 (number)

21386906 is an even 8-digits composite number following 21386905 and preceding 21386907. In scientific notation, it is written as 2.1386906 × 10^7. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 10693452 positive integers (up to 21386906) that are relatively prime to 21386906.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred eighty-six thousand nine hundred six

Notation

Scientific notation 2.1386906 × 10^7
Engineering notation 2.1386906 × 10^6

Prime Factorization of 21386906

Prime Factorization 2 × 10693453

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21386906
Product of the distinct prime numbers

The prime factorization of 21386906 is 2 × 10693453. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21386906)

Multiplication

n×y
n×2 42773812
n×3 64160718
n×4 85547624
n×5 106934530

Division

n÷y
n÷2 10693453
n÷3 7128968.6666667
n÷3 5346726.5
n÷5 4277381.2

Exponentiation

ny
n2 457399748252836
n3 9.7823654203071E+21
n4 2.0921452970176E+29
n5 4.4744514805657E+36

Nth Root

y√n
2√n 4624.597928469
3√n 277.57647325579
4√n 68.004396390741
5√n 29.243516316484

Divisors of 21386906

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 -21386905
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 21386906 can be divided by 4 positive divisors. The sum of these divisors (counting 21386906) is 1, the average is 0.25.

Base conversion 21386906

Base System Value
2 Binary 1010001100101011010011010
3 Ternary 1111020120022122
4 Quaternary 1101211122122
5 Quinary 20433340111
6 Senary 2042221242
8 Octal 121453232
10 Decimal 21386906
12 Duodecimal 71b4822
16 Hexadecimal 146569a
20 Vigesimal 6dd756
36 Base36 cqe8q

Cryptographic Hash Functions

md5 53526fc01ff01ba6bf7f65f26143d0f8
sha1 415c1cb2899cf4ca9a3189b7d806f8182ab533b2
sha256 5b05b75b08e6503c8af381fc87815703ec9adc0fa60680efc8e3d287d37ce50d
sha512 523c525c4afb44b406ff3c933e9ae4d4f93aed412c6c84c75a7aa4989f428db471215abc0040737f7ab2c73b9ba69ce534d8fb147cced50df9e3fd4f9eb6f5ae
ripemd-160 949f51ec21e0846c2207d2b87d4ffa5242ac9531

21386906 as geometric shapes

Circle

Radius = n
Diameter 42773812
Circumference 134377893.54523
Area 1.4369636888649E+15

Sphere

Radius = n
Volume 4.0976276452223E+22
Surface area 5.7478547554597E+15
Circumference 134377893.54523

Square

Length = n
Perimeter 85547624
Area 457399748252836
Diagonal 30245652.522399

Cube

Length = n
Surface area 2744398489517016
Volume 9.7823654203071E+21
Space diagonal 37043207.8087

Equilateral Triangle

Length = n
Perimeter 64160718
Area 1.9805990083578E+14
Altitude 18521603.90435

Triangular Pyramid

Length = n
Surface area 1.9805990083578E+14
Volume 1.1528628207907E+21
Height 10081884.174133