21388384 (number)

21388384 is an even 8-digits composite number following 21388383 and preceding 21388385. In scientific notation, it is written as 2.1388384 × 10^7. The sum of its digits is 37. It has a total of 7 prime factors and 24 positive divisors. There are 10465920 positive integers (up to 21388384) that are relatively prime to 21388384.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1388384 × 10^7
Engineering notation 2.1388384 × 10^6

Prime Factorization of 21388384

Prime Factorization 2 × 2 × 2 × 2 × 2 × 47 × 14221

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 1336774
Product of the distinct prime numbers

The prime factorization of 21388384 is 2 × 2 × 2 × 2 × 2 × 47 × 14221. Since it has a total of 7 prime factors.

Most popular turbo-numbers

6, 2, 13, 32, 654, 553, 8531, 8586, 23078, 69901, 748948, 284241, 4747505, 8232099, 92648596, 74541268, 449943692, 946127080, 7589589370, 3313890230

Basic calculations (n = 21388384)

Multiplication

n×y
n×2 42776768
n×3 64165152
n×4 85553536
n×5 106941920

Division

n÷y
n÷2 10694192
n÷3 7129461.3333333
n÷3 5347096
n÷5 4277676.8

Exponentiation

ny
n2 457462970131456
n3 9.7843936709521E+21
n4 2.0927236904149E+29
n5 4.4759977896492E+36

Nth Root

y√n
2√n 4624.757723384
3√n 277.58286733288
4√n 68.005571267243
5√n 29.243920495774

Divisors of 21388384

1, 2, 4, 8, 16, 32, 47, 94, 188, 376, 752, 1504, 14221, 28442, 56884, 113768, 227536, 455072, 668387, 1336774, 2673548, 5347096, 10694192, 21388384

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21388383
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21388384 can be divided by 24 positive divisors. The sum of these divisors (counting 21388384) is 1, the average is 0.041666666666667.

Base conversion 21388384

Base System Value
2 Binary 1010001100101110001100000
3 Ternary 1111020122100101
4 Quaternary 1101211301200
5 Quinary 20433412014
6 Senary 2042232144
8 Octal 121456140
10 Decimal 21388384
12 Duodecimal 71b5654
16 Hexadecimal 1465c60
20 Vigesimal 6ddaj4
36 Base36 cqfds

Cryptographic Hash Functions

md5 58e650ff96c24b2b961c98b0ca2270f4
sha1 1029d509cd25df428f285deedc205cfdfbf06de1
sha256 970f9445b1219b68028544311e21779bc09f2597a0d45a2647416c95c787026e
sha512 4a9e3ba47b62fb6f4f045fed32ed412ff4487cc93f350e415c8725c455aa4efc56e56e22a4eaa9cb9174fa92b8b219ff4845ec0cdd5348a8c13419d127c915ad
ripemd-160 cde1838e9260fc0dfd22e04d77cbf309c17538a4

21388384 as geometric shapes

Circle

Radius = n
Diameter 42776768
Circumference 134387180.09311
Area 1.4371623062543E+15

Sphere

Radius = n
Volume 4.0984772368658E+22
Surface area 5.7486492250174E+15
Circumference 134387180.09311

Square

Length = n
Perimeter 85553536
Area 457462970131456
Diagonal 30247742.730044

Cube

Length = n
Surface area 2744777820788736
Volume 9.7843936709521E+21
Space diagonal 37045767.779793

Equilateral Triangle

Length = n
Perimeter 64165152
Area 1.9808727671226E+14
Altitude 18522883.889897

Triangular Pyramid

Length = n
Surface area 1.9808727671226E+14
Volume 1.1531018524215E+21
Height 10082580.910015