20557 (number)

20557 is an odd 5-digits composite number following 20556 and preceding 20558. In scientific notation, it is written as 2.0557 × 10^4. The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors. There are 20160 positive integers (up to 20557) that are relatively prime to 20557.

Interesting facts

Basic properties

Name

Name twenty thousand five hundred fifty-seven

Notation

Scientific notation 2.0557 × 10^4
Engineering notation 2.0557 × 10^3

Prime Factorization of 20557

Prime Factorization 61 × 337

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20557
Product of the distinct prime numbers

The prime factorization of 20557 is 61 × 337. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20557)

Multiplication

n×y
n×2 41114
n×3 61671
n×4 82228
n×5 102785

Division

n÷y
n÷2 10278.5
n÷3 6852.3333333333
n÷3 5139.25
n÷5 4111.4

Exponentiation

ny
n2 422590249
n3 8687187748693
n4 178582518549882001
n5 3.6711208338299E+21

Nth Root

y√n
2√n 143.37712509323
3√n 27.393860844201
4√n 11.974018752834
5√n 7.2877245111361

Divisors of 20557

1, 61, 337, 20557

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 -20556
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 20557 can be divided by 4 positive divisors. The sum of these divisors (counting 20557) is 1, the average is 0.25.

Base conversion 20557

Base System Value
2 Binary 101000001001101
3 Ternary 1001012101
4 Quaternary 11001031
5 Quinary 1124212
6 Senary 235101
8 Octal 50115
10 Decimal 20557
12 Duodecimal ba91
16 Hexadecimal 504d
20 Vigesimal 2b7h
36 Base36 fv1

Cryptographic Hash Functions

md5 2478f263ea867250ce8fcbfd57c06fe4
sha1 7ce32d7cd72bee0b8f919fce5c60d0445193e5b2
sha256 367cfa3ebdbbf8a41b0b4d57d213d82c96f1bbd95c9074a8aef33e7782eb456c
sha512 e5baf530a91b277b3fdcc1679038a1879dc5499a301233cbcf1b727d175e133283156ab11be6d32355595453d123b84fde35e1caa70e801753e40225b11a7dab
ripemd-160 01513f41af7e6a752718426f99be8df238aa75ad

20557 as geometric shapes

Circle

Radius = n
Diameter 41114
Circumference 129163.44035969
Area 1327606421.7371

Sphere

Radius = n
Volume 36388806948866
Surface area 5310425686.9483
Circumference 129163.44035969

Square

Length = n
Perimeter 82228
Area 422590249
Diagonal 29071.988201704

Cube

Length = n
Surface area 2535541494
Volume 8687187748693
Space diagonal 35605.768451193

Equilateral Triangle

Length = n
Perimeter 61671
Area 182986945.5128
Altitude 17802.884225597

Triangular Pyramid

Length = n
Surface area 182986945.5128
Volume 1023794894423.6
Height 9690.6627339012