31185 (number)

31185 is an odd 5-digits composite number following 31184 and preceding 31186. In scientific notation, it is written as 3.1185 × 10^4. The sum of its digits is 18. It has a total of 4 prime factors and 12 positive divisors. There are 12960 positive integers (up to 31185) that are relatively prime to 31185.

Interesting facts

Basic properties

Name

Name thirty-one thousand one hundred eighty-five

Notation

Scientific notation 3.1185 × 10^4
Engineering notation 3.1185 × 10^3

Prime Factorization of 31185

Prime Factorization 315 × 3 × 11 × 3

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10395
Product of the distinct prime numbers

The prime factorization of 31185 is 315 × 3 × 11 × 3. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 4, 13, 8, 203, 280, 8235, 4887, 57628, 56960, 43489, 6695, 3250241, 1902957, 10566773, 92407904, 457075798, 393553970, 2447137048, 2590810502

Basic calculations (n = 31185)

Multiplication

n×y
n×2 62370
n×3 93555
n×4 124740
n×5 155925

Division

n÷y
n÷2 15592.5
n÷3 10395
n÷3 7796.25
n÷5 6237

Exponentiation

ny
n2 972504225
n3 30327544256625
n4 945764467642850625
n5 2.9493664923442E+22

Nth Root

y√n
2√n 176.59275183314
3√n 31.476172456868
4√n 13.288820558392
5√n 7.9211666382845

Divisors of 31185

1, 3, 9, 11, 33, 99, 315, 945, 2835, 3465, 10395, 31185

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 -31184
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 31185 can be divided by 12 positive divisors. The sum of these divisors (counting 31185) is 1, the average is 0.083333333333333.

Base conversion 31185

Base System Value
2 Binary 111100111010001
3 Ternary 1120210000
4 Quaternary 13213101
5 Quinary 1444220
6 Senary 400213
8 Octal 74721
10 Decimal 31185
12 Duodecimal 16069
16 Hexadecimal 79d1
20 Vigesimal 3hj5
36 Base36 o29

Cryptographic Hash Functions

md5 b789ce7f0c28e1831a5b0a1998e38d1e
sha1 e546428952a67a671747d6d7c458f6652e2374e0
sha256 9df6be0953a645c9c8e01e310c2f46298a47e107cdf080953bbd56953ee1d2e5
sha512 31f97b10246cfe5218a3430642786758d1039676942ac6d1470101c1d2470c3c0237d35261dfcc2268a134ec05042b569241d2f84ee14fee498e1d2e8ffff655
ripemd-160 606960384e6eddefde678d3c9f3678f7d5ed59a2

31185 as geometric shapes

Circle

Radius = n
Diameter 62370
Circumference 195941.1338044
Area 3055212128.845

Sphere

Radius = n
Volume 1.2703572031738E+14
Surface area 12220848515.38
Circumference 195941.1338044

Square

Length = n
Perimeter 124740
Area 972504225
Diagonal 44102.249942605

Cube

Length = n
Surface area 5835025350
Volume 30327544256625
Space diagonal 54014.004434035

Equilateral Triangle

Length = n
Perimeter 93555
Area 421106682.06885
Altitude 27007.002217018

Triangular Pyramid

Length = n
Surface area 421106682.06885
Volume 3574135366765.8
Height 14700.749980868