21138 (number)

21138 is an even 5-digits composite number following 21137 and preceding 21139. In scientific notation, it is written as 2.1138 × 10^4. The sum of its digits is 15. It has a total of 4 prime factors and 16 positive divisors. There are 6480 positive integers (up to 21138) that are relatively prime to 21138.

Interesting facts

Basic properties

Name

Name twenty-one thousand one hundred thirty-eight

Notation

Scientific notation 2.1138 × 10^4
Engineering notation 2.1138 × 10^3

Prime Factorization of 21138

Prime Factorization 2 × 13 × 3 × 271

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21138
Product of the distinct prime numbers

The prime factorization of 21138 is 2 × 13 × 3 × 271. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 6, 44, 33, 170, 698, 6278, 306, 69220, 73470, 531137, 54809, 4713734, 5254176, 54705653, 45142943, 610288280, 175362640, 6610751755, 3370704129

Basic calculations (n = 21138)

Multiplication

n×y
n×2 42276
n×3 63414
n×4 84552
n×5 105690

Division

n÷y
n÷2 10569
n÷3 7046
n÷3 5284.5
n÷5 4227.6

Exponentiation

ny
n2 446815044
n3 9444776400072
n4 199643683544721936
n5 4.2200681827683E+21

Nth Root

y√n
2√n 145.38913301894
3√n 27.649543443875
4√n 12.057741621835
5√n 7.3284609613944

Divisors of 21138

1, 2, 3, 6, 13, 26, 39, 78, 271, 542, 813, 1626, 3523, 7046, 10569, 21138

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 -21137
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 21138 can be divided by 16 positive divisors. The sum of these divisors (counting 21138) is 1, the average is 0.0625.

Base conversion 21138

Base System Value
2 Binary 101001010010010
3 Ternary 1001222220
4 Quaternary 11022102
5 Quinary 1134023
6 Senary 241510
8 Octal 51222
10 Decimal 21138
12 Duodecimal 10296
16 Hexadecimal 5292
20 Vigesimal 2cgi
36 Base36 gb6

Cryptographic Hash Functions

md5 8ad6635f33710af6a535e8fb8486975e
sha1 02f2c31291244566d335bd8ed223433ec85f3801
sha256 ae0f09ceb07d2ad85f6b12e9606a55ee154266720ebd781d2043870b3f0dfa62
sha512 20252eefdd27d824b0f501c53c8d099330fad1b9f24a7ae05018ba0abf27ed04edf62481ec8b25391d6645216d37243aed07adc27c3ef02b74e43c991fc99a78
ripemd-160 5b51ae423a65f339e5abf5a4fc0a08f9a8f4dfcb

21138 as geometric shapes

Circle

Radius = n
Diameter 42276
Circumference 132813.97102316
Area 1403710859.7438

Sphere

Radius = n
Volume 39562186871019
Surface area 5614843438.9752
Circumference 132813.97102316

Square

Length = n
Perimeter 84552
Area 446815044
Diagonal 29893.646281442

Cube

Length = n
Surface area 2680890264
Volume 9444776400072
Space diagonal 36612.089970391

Equilateral Triangle

Length = n
Perimeter 63414
Area 193476589.44853
Altitude 18306.044985195

Triangular Pyramid

Length = n
Surface area 193476589.44853
Volume 1113077573213.6
Height 9964.5487604808