21568 (number)

21568 is an even 5-digits composite number following 21567 and preceding 21569. In scientific notation, it is written as 2.1568 × 10^4. The sum of its digits is 22. It has a total of 7 prime factors and 14 positive divisors. There are 10752 positive integers (up to 21568) that are relatively prime to 21568.

Interesting facts

Basic properties

Name

Name twenty-one thousand five hundred sixty-eight

Notation

Scientific notation 2.1568 × 10^4
Engineering notation 2.1568 × 10^3

Prime Factorization of 21568

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 337

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 674
Product of the distinct prime numbers

The prime factorization of 21568 is 2 × 2 × 2 × 2 × 2 × 2 × 337. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21568)

Multiplication

n×y
n×2 43136
n×3 64704
n×4 86272
n×5 107840

Division

n÷y
n÷2 10784
n÷3 7189.3333333333
n÷3 5392
n÷5 4313.6

Exponentiation

ny
n2 465178624
n3 10032972562432
n4 216391152226533376
n5 4.6671243712219E+21

Nth Root

y√n
2√n 146.86047800549
3√n 27.835773348744
4√n 12.118600496983
5√n 7.3580371290019

Divisors of 21568

1, 2, 4, 8, 16, 32, 64, 337, 674, 1348, 2696, 5392, 10784, 21568

14 divisors

τ Total Divisors 14
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21567
Sum of the proper positive divisors of n
A Arithmetic Mean 0.071428571428571
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 14
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21568 can be divided by 14 positive divisors. The sum of these divisors (counting 21568) is 1, the average is 0.071428571428571.

Base conversion 21568

Base System Value
2 Binary 101010001000000
3 Ternary 1002120211
4 Quaternary 11101000
5 Quinary 1142233
6 Senary 243504
8 Octal 52100
10 Decimal 21568
12 Duodecimal 10594
16 Hexadecimal 5440
20 Vigesimal 2di8
36 Base36 gn4

Cryptographic Hash Functions

md5 04dfa78991b5140d09df3164008cd690
sha1 6057ea5f955454141f9a127271460aa8fbb29183
sha256 4935c85011946f59d9113e9a76ca4d0be4178fcfefdff38a80e77bec82cfd7a7
sha512 d033d481b068c470e6d39d23499a5836b429e105e7d32b3f2edd5bb459662fd48eed171865db5dce5670a94e487cd83ff752ac1daeefa4ded4f8cb9cbc4681ba
ripemd-160 5df42f61af1a62964ad616cca207463d6025e2e1

21568 as geometric shapes

Circle

Radius = n
Diameter 43136
Circumference 135515.74070525
Area 1461401747.7654

Sphere

Radius = n
Volume 42026017194406
Surface area 5845606991.0616
Circumference 135515.74070525

Square

Length = n
Perimeter 86272
Area 465178624
Diagonal 30501.758113263

Cube

Length = n
Surface area 2791071744
Volume 10032972562432
Space diagonal 37356.871817646

Equilateral Triangle

Length = n
Perimeter 64704
Area 201428252.84074
Altitude 18678.435908823

Triangular Pyramid

Length = n
Surface area 201428252.84074
Volume 1182397155725.7
Height 10167.252704421