42021 (number)

42021 is an odd 5-digits composite number following 42020 and preceding 42022. In scientific notation, it is written as 4.2021 × 10^4. The sum of its digits is 9. It has a total of 4 prime factors and 16 positive divisors. There are 22176 positive integers (up to 42021) that are relatively prime to 42021.

Interesting facts

Basic properties

Name

Name forty-two thousand twenty-one

Notation

Scientific notation 4.2021 × 10^4
Engineering notation 4.2021 × 10^3

Prime Factorization of 42021

Prime Factorization 21 × 3 × 23 × 29

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 42021
Product of the distinct prime numbers

The prime factorization of 42021 is 21 × 3 × 23 × 29. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 42021)

Multiplication

n×y
n×2 84042
n×3 126063
n×4 168084
n×5 210105

Division

n÷y
n÷2 21010.5
n÷3 14007
n÷3 10505.25
n÷5 8404.2

Exponentiation

ny
n2 1765764441
n3 74199187575261
n4 3117924061100042481
n5 1.3101828697148E+23

Nth Root

y√n
2√n 204.99024367028
3√n 34.766058861311
4√n 14.31748035341
5√n 8.4080111060234

Divisors of 42021

1, 3, 21, 23, 29, 63, 69, 87, 483, 609, 667, 1449, 1827, 2001, 14007, 42021

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 -42020
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 42021 can be divided by 16 positive divisors. The sum of these divisors (counting 42021) is 1, the average is 0.0625.

Base conversion 42021

Base System Value
2 Binary 1010010000100101
3 Ternary 2010122100
4 Quaternary 22100211
5 Quinary 2321041
6 Senary 522313
8 Octal 122045
10 Decimal 42021
12 Duodecimal 20399
16 Hexadecimal a425
20 Vigesimal 5511
36 Base36 wf9

Cryptographic Hash Functions

md5 e2d6345be0924a744fdca3fb01c3b313
sha1 ea11c4a24f841556ff3f4818c7b62fcdd50c00b3
sha256 71b39408f072c8dfa6888e0834691bc5a21ed1c7a64e0e12f93cb13a8e1f5501
sha512 7992702046bc85dd12180795453c2cc998e7b9ead8e45fd49fb27808d961ae20729182883e171897d80f7a41a172953b35292dd4251bd81f3eceebebd512f419
ripemd-160 321fee14da5948b9f9c8c2f4dc8a0608a8ad5cdc

42021 as geometric shapes

Circle

Radius = n
Diameter 84042
Circumference 264025.72979299
Area 5547312595.8157

Sphere

Radius = n
Volume 3.1080483011836E+14
Surface area 22189250383.263
Circumference 264025.72979299

Square

Length = n
Perimeter 168084
Area 1765764441
Diagonal 59426.66810448

Cube

Length = n
Surface area 10594586646
Volume 74199187575261
Space diagonal 72782.506984852

Equilateral Triangle

Length = n
Perimeter 126063
Area 764598431.50261
Altitude 36391.253492426

Triangular Pyramid

Length = n
Surface area 764598431.50261
Volume 8744458115499.9
Height 19808.88936816