31820 (number)

31820 is an even 5-digits composite number following 31819 and preceding 31821. In scientific notation, it is written as 3.1820 × 10^4. The sum of its digits is 14. It has a total of 4 prime factors and 12 positive divisors. There are 12096 positive integers (up to 31820) that are relatively prime to 31820.

Interesting facts

Basic properties

Name

Name thirty-one thousand eight hundred twenty

Notation

Scientific notation 3.1820 × 10^4
Engineering notation 3.1820 × 10^3

Prime Factorization of 31820

Prime Factorization 2 × 2 × 185 × 43

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 15910
Product of the distinct prime numbers

The prime factorization of 31820 is 2 × 2 × 185 × 43. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 31820)

Multiplication

n×y
n×2 63640
n×3 95460
n×4 127280
n×5 159100

Division

n÷y
n÷2 15910
n÷3 10606.666666667
n÷3 7955
n÷5 6364

Exponentiation

ny
n2 1012512400
n3 32218144568000
n4 1025181360153760000
n5 3.2621270880093E+22

Nth Root

y√n
2√n 178.38161340228
3√n 31.688381535671
4√n 13.355957973963
5√n 7.9531657772677

Divisors of 31820

1, 2, 4, 43, 86, 172, 185, 370, 740, 7955, 15910, 31820

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 -31819
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 31820 can be divided by 12 positive divisors. The sum of these divisors (counting 31820) is 1, the average is 0.083333333333333.

Base conversion 31820

Base System Value
2 Binary 111110001001100
3 Ternary 1121122112
4 Quaternary 13301030
5 Quinary 2004240
6 Senary 403152
8 Octal 76114
10 Decimal 31820
12 Duodecimal 164b8
16 Hexadecimal 7c4c
20 Vigesimal 3jb0
36 Base36 ojw

Cryptographic Hash Functions

md5 2c86a217e06d86e3db130723abd90fff
sha1 af6da530251131e2f202d5465922df4a4d1ff663
sha256 278f04d5dc97fd211feb83a0aaa9558cf67843c21ad3dac44702983067e599a2
sha512 a6267c99af6c4dfb237ae8775c131d42b225efe4358ae467352fa99bd3e23d642cb401c90b7d9101f7b770f438d8e9a4baeb6ec9c4767085bcb34b5e1a4a5f63
ripemd-160 8cfc41467ac497cb0ddc4dad80f00c701e32030a

31820 as geometric shapes

Circle

Radius = n
Diameter 63640
Circumference 199930.95647445
Area 3180901517.5086

Sphere

Radius = n
Volume 1.3495504838283E+14
Surface area 12723606070.034
Circumference 199930.95647445

Square

Length = n
Perimeter 127280
Area 1012512400
Diagonal 45000.275554712

Cube

Length = n
Surface area 6075074400
Volume 32218144568000
Space diagonal 55113.856696842

Equilateral Triangle

Length = n
Perimeter 95460
Area 438430730.02338
Altitude 27556.928348421

Triangular Pyramid

Length = n
Surface area 438430730.02338
Volume 3796944750213.6
Height 15000.091851571