21371894 (number)

21371894 is an even 8-digits composite number following 21371893 and preceding 21371895. In scientific notation, it is written as 2.1371894 × 10^7. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 10678600 positive integers (up to 21371894) that are relatively prime to 21371894.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred seventy-one thousand eight hundred ninety-four

Notation

Scientific notation 2.1371894 × 10^7
Engineering notation 2.1371894 × 10^6

Prime Factorization of 21371894

Prime Factorization 2 × 1997 × 5351

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21371894
Product of the distinct prime numbers

The prime factorization of 21371894 is 2 × 1997 × 5351. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21371894)

Multiplication

n×y
n×2 42743788
n×3 64115682
n×4 85487576
n×5 106859470

Division

n÷y
n÷2 10685947
n÷3 7123964.6666667
n÷3 5342973.5
n÷5 4274378.8

Exponentiation

ny
n2 456757853147236
n3 9.7617804211303E+21
n4 2.0862773641167E+29
n5 4.4587698680502E+36

Nth Root

y√n
2√n 4622.9745835339
3√n 277.51151211609
4√n 67.992459754989
5√n 29.239409813394

Divisors of 21371894

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21371893
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21371894 can be divided by 8 positive divisors. The sum of these divisors (counting 21371894) is 1, the average is 0.125.

Base conversion 21371894

Base System Value
2 Binary 1010001100001101111110110
3 Ternary 1111012210201122
4 Quaternary 1101201233312
5 Quinary 20432400034
6 Senary 2042023542
8 Octal 121415766
10 Decimal 21371894
12 Duodecimal 71a7bb2
16 Hexadecimal 1461bf6
20 Vigesimal 6db9ee
36 Base36 cq2nq

Cryptographic Hash Functions

md5 67232625e304c3738ab89c3e98205e67
sha1 77d44814ecf27aecbe16088f9a5767f94d97c4fa
sha256 f3325c4e57d622a08fb9b3bd4f2ad2f17edeed2020184024d59e86165fb8f9fa
sha512 b2cfe23618d701f15cf9c40241e201d1e7d4714709a19aac9c90611402af056efe691bec7005d1d09f2f1267ae9d1a96b2aff6d60df23f3f93925421e31328be
ripemd-160 fc8e978275da9e3630ad1b0a6569f3130d1557fc

21371894 as geometric shapes

Circle

Radius = n
Diameter 42743788
Circumference 134283570.3674
Area 1.4349471159168E+15

Sphere

Radius = n
Volume 4.0890050209306E+22
Surface area 5.7397884636672E+15
Circumference 134283570.3674

Square

Length = n
Perimeter 85487576
Area 456757853147236
Diagonal 30224422.3484

Cube

Length = n
Surface area 2740547118883416
Volume 9.7617804211303E+21
Space diagonal 37017206.261976

Equilateral Triangle

Length = n
Perimeter 64115682
Area 1.9778195210177E+14
Altitude 18508603.130988

Triangular Pyramid

Length = n
Surface area 1.9778195210177E+14
Volume 1.1504368553726E+21
Height 10074807.449467