20420 (number)

20420 is an even 5-digits composite number following 20419 and preceding 20421. In scientific notation, it is written as 2.0420 × 10^4. The sum of its digits is 8. It has a total of 4 prime factors and 12 positive divisors. There are 8160 positive integers (up to 20420) that are relatively prime to 20420.

Interesting facts

Basic properties

Name

Name twenty thousand four hundred twenty

Notation

Scientific notation 2.0420 × 10^4
Engineering notation 2.0420 × 10^3

Prime Factorization of 20420

Prime Factorization 2 × 2 × 5 × 1021

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10210
Product of the distinct prime numbers

The prime factorization of 20420 is 2 × 2 × 5 × 1021. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 1, 56, 100, 37, 308, 6394, 789, 98972, 90140, 288130, 295653, 7897945, 7245113, 51991230, 62142259, 442376923, 636994202, 993522630, 8617907966

Basic calculations (n = 20420)

Multiplication

n×y
n×2 40840
n×3 61260
n×4 81680
n×5 102100

Division

n÷y
n÷2 10210
n÷3 6806.6666666667
n÷3 5105
n÷5 4084

Exponentiation

ny
n2 416976400
n3 8514658088000
n4 173869318156960000
n5 3.5504114767651E+21

Nth Root

y√n
2√n 142.89856542317
3√n 27.332870637947
4√n 11.95401879801
5√n 7.2779848556168

Divisors of 20420

1, 2, 4, 5, 10, 20, 1021, 2042, 4084, 5105, 10210, 20420

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20419
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20420 can be divided by 12 positive divisors. The sum of these divisors (counting 20420) is 1, the average is 0.083333333333333.

Base conversion 20420

Base System Value
2 Binary 100111111000100
3 Ternary 1001000022
4 Quaternary 10333010
5 Quinary 1123140
6 Senary 234312
8 Octal 47704
10 Decimal 20420
12 Duodecimal b998
16 Hexadecimal 4fc4
20 Vigesimal 2b10
36 Base36 fr8

Cryptographic Hash Functions

md5 9544120004d9a4b193af053574037993
sha1 6e3d7c7c56248538096bc2372f34390bdd301ebf
sha256 648065e577d6e573f9e7c3cc4b065250b23f022f79b6e9037df5a79d92ff058b
sha512 0505c494d05d09145154c427a22c107b4f050c9644d92324a05bedad476cdf402a47fe5104685f7eed65b835e648785cc757982e931a9983b443ca2ccd194316
ripemd-160 5f761f6a2c3014594224d64957cd5e4b4c72e61a

20420 as geometric shapes

Circle

Radius = n
Diameter 40840
Circumference 128302.64397261
Area 1309969994.9603

Sphere

Radius = n
Volume 35666116396120
Surface area 5239879979.8413
Circumference 128302.64397261

Square

Length = n
Perimeter 81680
Area 416976400
Diagonal 28878.240943659

Cube

Length = n
Surface area 2501858400
Volume 8514658088000
Space diagonal 35368.477490556

Equilateral Triangle

Length = n
Perimeter 61260
Area 180556077.58929
Altitude 17684.238745278

Triangular Pyramid

Length = n
Surface area 180556077.58929
Volume 1003462078918.3
Height 9626.0803145529