42821 (number)

42821 is an odd 5-digits prime number following 42820 and preceding 42822. In scientific notation, it is written as 4.2821 × 10^4. The sum of its digits is 17. It has a total of 1 prime factors and 2 positive divisors. There are 42820 positive integers (up to 42821) that are relatively prime to 42821.

Interesting facts

Basic properties

Name

Name forty-two thousand eight hundred twenty-one

Notation

Scientific notation 4.2821 × 10^4
Engineering notation 4.2821 × 10^3

Prime Factorization of 42821

Prime Factorization 42821

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 42821
Product of the distinct prime numbers

The prime factorization of 42821 is 42821. Since it has a total of 1 prime factors.

Most popular turbo-numbers

10, 2, 10, 65, 565, 634, 695, 3394, 1612, 80511, 978207, 376940, 6103857, 547193, 81262710, 88922527, 138101782, 10659646, 4271656210, 1323075173

Basic calculations (n = 42821)

Multiplication

n×y
n×2 85642
n×3 128463
n×4 171284
n×5 214105

Division

n÷y
n÷2 21410.5
n÷3 14273.666666667
n÷3 10705.25
n÷5 8564.2

Exponentiation

ny
n2 1833638041
n3 78518214553661
n4 3362228465402317681
n5 1.4397398511699E+23

Nth Root

y√n
2√n 206.93235609735
3√n 34.985299949271
4√n 14.385143589737
5√n 8.4397845673687

Divisors of 42821

1, 42821

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 42822
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 21411
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 206.93477233177
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999532950353
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 42821 can be divided by 2 positive divisors. The sum of these divisors (counting 42821) is 42822, the average is 21411.

Base conversion 42821

Base System Value
2 Binary 1010011101000101
3 Ternary 2011201222
4 Quaternary 22131011
5 Quinary 2332241
6 Senary 530125
8 Octal 123505
10 Decimal 42821
12 Duodecimal 20945
16 Hexadecimal a745
20 Vigesimal 5711
36 Base36 x1h

Cryptographic Hash Functions

md5 14ea0c66c8880377adab0c2c561dbdda
sha1 ec245c571b9d8200a7fc6c479485c6956604847d
sha256 a5de3fe7f981c993564dcd83163f7081819b65ac53a06065ae704041d6db8958
sha512 47551c72149b768e181738bc41518ad154f968454d5d7915c84c6881ba595442c8493a47621ed1c976538dc76f0368e73fc9427f256dad2639a62e5e21c4aa82
ripemd-160 d3732b188ca36df210b927d104701e061575ab3a

42821 as geometric shapes

Circle

Radius = n
Diameter 85642
Circumference 269052.27803874
Area 5760543798.9484

Sphere

Radius = n
Volume 3.2889632801969E+14
Surface area 23042175195.794
Circumference 269052.27803874

Square

Length = n
Perimeter 171284
Area 1833638041
Diagonal 60558.038954378

Cube

Length = n
Surface area 11001828246
Volume 78518214553661
Space diagonal 74168.147630907

Equilateral Triangle

Length = n
Perimeter 128463
Area 793988562.42577
Altitude 37084.073815453

Triangular Pyramid

Length = n
Surface area 793988562.42577
Volume 9253460326259
Height 20186.012984793