21382 (number)

21382 is an even 5-digits composite number following 21381 and preceding 21383. In scientific notation, it is written as 2.1382 × 10^4. The sum of its digits is 16. It has a total of 2 prime factors and 4 positive divisors. There are 10690 positive integers (up to 21382) that are relatively prime to 21382.

Interesting facts

Basic properties

Name

Name twenty-one thousand three hundred eighty-two

Notation

Scientific notation 2.1382 × 10^4
Engineering notation 2.1382 × 10^3

Prime Factorization of 21382

Prime Factorization 2 × 10691

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21382
Product of the distinct prime numbers

The prime factorization of 21382 is 2 × 10691. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 1, 61, 34, 609, 36, 8345, 835, 23709, 99086, 40163, 987750, 4679983, 3262779, 52687253, 2416097, 857931883, 967791396, 2641164386, 9089521568

Basic calculations (n = 21382)

Multiplication

n×y
n×2 42764
n×3 64146
n×4 85528
n×5 106910

Division

n÷y
n÷2 10691
n÷3 7127.3333333333
n÷3 5345.5
n÷5 4276.4

Exponentiation

ny
n2 457189924
n3 9775634954968
n4 209022626607125776
n5 4.4693218021136E+21

Nth Root

y√n
2√n 146.22585270738
3√n 27.755524696092
4√n 12.092388213557
5√n 7.34530214638

Divisors of 21382

1, 2, 10691, 21382

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21381
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21382 can be divided by 4 positive divisors. The sum of these divisors (counting 21382) is 1, the average is 0.25.

Base conversion 21382

Base System Value
2 Binary 101001110000110
3 Ternary 1002022221
4 Quaternary 11032012
5 Quinary 1141012
6 Senary 242554
8 Octal 51606
10 Decimal 21382
12 Duodecimal 1045a
16 Hexadecimal 5386
20 Vigesimal 2d92
36 Base36 ghy

Cryptographic Hash Functions

md5 a4567880c61cb00693665491b5c356a3
sha1 f62b30ace9d03e44b746a44c0aff0ca7740bda77
sha256 97d21a69e8b9e259e66b50fd885e86309f3700b09480bcfed9961a893f364a56
sha512 ccdcea60f9e1cad5697a52883cf78c9fef9087ef62a43dbcddaa7cd8a24d771d2ee7dd921ce73e96460262f3bec80a88445900ed84ee266ea0cf16ae3a6836af
ripemd-160 f80946f8151d1f6f214cb0be1936f3e6e13beca5

21382 as geometric shapes

Circle

Radius = n
Diameter 42764
Circumference 134347.06823811
Area 1436304506.5337

Sphere

Radius = n
Volume 40948083944937
Surface area 5745218026.1347
Circumference 134347.06823811

Square

Length = n
Perimeter 85528
Area 457189924
Diagonal 30238.714390662

Cube

Length = n
Surface area 2743139544
Volume 9775634954968
Space diagonal 37034.710367438

Equilateral Triangle

Length = n
Perimeter 64146
Area 197969044.26914
Altitude 18517.355183719

Triangular Pyramid

Length = n
Surface area 197969044.26914
Volume 1152069627843.7
Height 10079.571463554