21000938 (number)

21000938 is an even 8-digits composite number following 21000937 and preceding 21000939. In scientific notation, it is written as 2.1000938 × 10^7. The sum of its digits is 23. It has a total of 4 prime factors and 16 positive divisors. There are 8780640 positive integers (up to 21000938) that are relatively prime to 21000938.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred thirty-eight

Notation

Scientific notation 2.1000938 × 10^7
Engineering notation 2.1000938 × 10^6

Prime Factorization of 21000938

Prime Factorization 2 × 7 × 41 × 36587

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21000938
Product of the distinct prime numbers

The prime factorization of 21000938 is 2 × 7 × 41 × 36587. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21000938)

Multiplication

n×y
n×2 42001876
n×3 63002814
n×4 84003752
n×5 105004690

Division

n÷y
n÷2 10500469
n÷3 7000312.6666667
n÷3 5250234.5
n÷5 4200187.6

Exponentiation

ny
n2 441039396879844
n3 9.262241029431E+21
n4 1.9451574960014E+29
n5 4.085013197376E+36

Nth Root

y√n
2√n 4582.6780380035
3√n 275.89652530851
4√n 67.695480188884
5√n 29.137194871061

Divisors of 21000938

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 -21000937
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 21000938 can be divided by 16 positive divisors. The sum of these divisors (counting 21000938) is 1, the average is 0.0625.

Base conversion 21000938

Base System Value
2 Binary 1010000000111001011101010
3 Ternary 1110111221212112
4 Quaternary 1100013023222
5 Quinary 20334012223
6 Senary 2030042322
8 Octal 120071352
10 Decimal 21000938
12 Duodecimal 70493a2
16 Hexadecimal 14072ea
20 Vigesimal 6b526i
36 Base36 ci4fe

Cryptographic Hash Functions

md5 831c6323cd1ca0374be2cac454c9d38f
sha1 03147c67c2fd473be10a97986c39d7d11093cf38
sha256 749aeaf5a288afc6e5135c8912cb267ab6742964fae7b168ae5e283b96cd4227
sha512 c3891b8f35c4b0cdb18dcd5439f59a506e442ff7af02ea63ab1c041fd755d4102bbfa71864572db5a72fa46daacfdc562a6879027d8ea72f211a60e1ab9417e2
ripemd-160 035bae5e5b6eb2679180121a3d71a6b510ddcf07

21000938 as geometric shapes

Circle

Radius = n
Diameter 42001876
Circumference 131952785.07859
Area 1.3855661291814E+15

Sphere

Radius = n
Volume 3.8797584498451E+22
Surface area 5.5422645167256E+15
Circumference 131952785.07859

Square

Length = n
Perimeter 84003752
Area 441039396879844
Diagonal 29699811.342157

Cube

Length = n
Surface area 2646236381279064
Volume 9.262241029431E+21
Space diagonal 36374691.622604

Equilateral Triangle

Length = n
Perimeter 63002814
Area 1.9097566088386E+14
Altitude 18187345.811302

Triangular Pyramid

Length = n
Surface area 1.9097566088386E+14
Volume 1.0915655734825E+21
Height 9899937.1140522