21388382 (number)

21388382 is an even 8-digits composite number following 21388381 and preceding 21388383. In scientific notation, it is written as 2.1388382 × 10^7. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 10687384 positive integers (up to 21388382) that are relatively prime to 21388382.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred eighty-eight thousand three hundred eighty-two

Notation

Scientific notation 2.1388382 × 10^7
Engineering notation 2.1388382 × 10^6

Prime Factorization of 21388382

Prime Factorization 2 × 2459 × 4349

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21388382
Product of the distinct prime numbers

The prime factorization of 21388382 is 2 × 2459 × 4349. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21388382)

Multiplication

n×y
n×2 42776764
n×3 64165146
n×4 85553528
n×5 106941910

Division

n÷y
n÷2 10694191
n÷3 7129460.6666667
n÷3 5347095.5
n÷5 4277676.4

Exponentiation

ny
n2 457462884577924
n3 9.7843909261745E+21
n4 2.0927229076636E+29
n5 4.4759956969259E+36

Nth Root

y√n
2√n 4624.7575071565
3√n 277.58285868074
4√n 68.005569677464
5√n 29.243919948862

Divisors of 21388382

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 -21388381
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 21388382 can be divided by 8 positive divisors. The sum of these divisors (counting 21388382) is 1, the average is 0.125.

Base conversion 21388382

Base System Value
2 Binary 1010001100101110001011110
3 Ternary 1111020122100022
4 Quaternary 1101211301132
5 Quinary 20433412012
6 Senary 2042232142
8 Octal 121456136
10 Decimal 21388382
12 Duodecimal 71b5652
16 Hexadecimal 1465c5e
20 Vigesimal 6ddaj2
36 Base36 cqfdq

Cryptographic Hash Functions

md5 dcd011a08bc79fb77b2353f8b505b7fe
sha1 bd415dfd1e2636249f3f2bfe730fb4c847bf2562
sha256 ac208517f5839a44726f0c054af9e185964b160178c09a566c04a54fce763bcb
sha512 4bbfa4d5b4e80d84e70ddc8d80347d1ec44c4e1cbb3f6a489ac216c7caa51b7f607d5992ff4c9861727d646ec20aa0414c04f1212687cb94abb7daaf1a3667eb
ripemd-160 41a0e004bf954c57b164b2efd48320eb80e9e57a

21388382 as geometric shapes

Circle

Radius = n
Diameter 42776764
Circumference 134387167.52674
Area 1.43716203748E+15

Sphere

Radius = n
Volume 4.0984760871361E+22
Surface area 5.74864814992E+15
Circumference 134387167.52674

Square

Length = n
Perimeter 85553528
Area 457462884577924
Diagonal 30247739.901617

Cube

Length = n
Surface area 2744777307467544
Volume 9.7843909261745E+21
Space diagonal 37045764.315692

Equilateral Triangle

Length = n
Perimeter 64165146
Area 1.980872396665E+14
Altitude 18522882.157846

Triangular Pyramid

Length = n
Surface area 1.980872396665E+14
Volume 1.1531015289464E+21
Height 10082579.967206