21528 (number)

21528 is an even 5-digits composite number following 21527 and preceding 21529. In scientific notation, it is written as 2.1528 × 10^4. The sum of its digits is 18. It has a total of 5 prime factors and 16 positive divisors. There are 6336 positive integers (up to 21528) that are relatively prime to 21528.

Interesting facts

Basic properties

Name

Name twenty-one thousand five hundred twenty-eight

Notation

Scientific notation 2.1528 × 10^4
Engineering notation 2.1528 × 10^3

Prime Factorization of 21528

Prime Factorization 2 × 2 × 2 × 117 × 23

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5382
Product of the distinct prime numbers

The prime factorization of 21528 is 2 × 2 × 2 × 117 × 23. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 5, 75, 43, 699, 441, 797, 8744, 95938, 26689, 633721, 874055, 2889868, 319862, 30782900, 81563361, 426556663, 657723272, 8995929613, 4847304558

Basic calculations (n = 21528)

Multiplication

n×y
n×2 43056
n×3 64584
n×4 86112
n×5 107640

Division

n÷y
n÷2 10764
n÷3 7176
n÷3 5382
n÷5 4305.6

Exponentiation

ny
n2 463454784
n3 9977254589952
n4 214790336812486656
n5 4.6240063708992E+21

Nth Root

y√n
2√n 146.72423112765
3√n 27.818554630167
4√n 12.112977797703
5√n 7.355305859827

Divisors of 21528

1, 2, 4, 8, 23, 46, 92, 117, 184, 234, 468, 936, 2691, 5382, 10764, 21528

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 -21527
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 21528 can be divided by 16 positive divisors. The sum of these divisors (counting 21528) is 1, the average is 0.0625.

Base conversion 21528

Base System Value
2 Binary 101010000011000
3 Ternary 1002112100
4 Quaternary 11100120
5 Quinary 1142103
6 Senary 243400
8 Octal 52030
10 Decimal 21528
12 Duodecimal 10560
16 Hexadecimal 5418
20 Vigesimal 2dg8
36 Base36 gm0

Cryptographic Hash Functions

md5 21ec2f4f49211916e3d9bf3fc4a16875
sha1 de8a6bd144a02e629315d75f6baa9ca566f7ac7e
sha256 1615dc1e029ef66a38cec67ae2dd6d0b593befdb93a0ed5b6ae046b21901c675
sha512 96aa8f3c73580da0f546ec33c34d37b466a3998b3a03519d53ebf54480c091db8b7ab689625434052e0f327f905025472824ee0886b4512f873ac3ce6c69aa37
ripemd-160 4a2c5ac343fbcad2a431baf6b294dc9e082998ac

21528 as geometric shapes

Circle

Radius = n
Diameter 43056
Circumference 135264.41329296
Area 1455986144.6854

Sphere

Radius = n
Volume 41792626297051
Surface area 5823944578.7418
Circumference 135264.41329296

Square

Length = n
Perimeter 86112
Area 463454784
Diagonal 30445.189570768

Cube

Length = n
Surface area 2780728704
Volume 9977254589952
Space diagonal 37287.589785343

Equilateral Triangle

Length = n
Perimeter 64584
Area 200681808.22471
Altitude 18643.794892671

Triangular Pyramid

Length = n
Surface area 200681808.22471
Volume 1175830729696.6
Height 10148.396523589