31995 (number)

31995 is an odd 5-digits composite number following 31994 and preceding 31996. In scientific notation, it is written as 3.1995 × 10^4. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 16848 positive integers (up to 31995) that are relatively prime to 31995.

Interesting facts

Basic properties

Name

Name thirty-one thousand nine hundred ninety-five

Notation

Scientific notation 3.1995 × 10^4
Engineering notation 3.1995 × 10^3

Prime Factorization of 31995

Prime Factorization 45 × 9 × 79

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 31995
Product of the distinct prime numbers

The prime factorization of 31995 is 45 × 9 × 79. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 3, 100, 35, 561, 251, 6128, 9064, 64217, 66457, 25659, 805081, 1598330, 2449412, 25007631, 51357140, 53978403, 575519822, 9756758171, 9701681502

Basic calculations (n = 31995)

Multiplication

n×y
n×2 63990
n×3 95985
n×4 127980
n×5 159975

Division

n÷y
n÷2 15997.5
n÷3 10665
n÷3 7998.75
n÷5 6399

Exponentiation

ny
n2 1023680025
n3 32752642399875
n4 1047920793584000625
n5 3.352822579072E+22

Nth Root

y√n
2√n 178.87146222917
3√n 31.746367410472
4√n 13.37428361555
5√n 7.9618945785358

Divisors of 31995

1, 9, 45, 79, 405, 711, 3555, 31995

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -31994
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 31995 can be divided by 8 positive divisors. The sum of these divisors (counting 31995) is 1, the average is 0.125.

Base conversion 31995

Base System Value
2 Binary 111110011111011
3 Ternary 1121220000
4 Quaternary 13303323
5 Quinary 2010440
6 Senary 404043
8 Octal 76373
10 Decimal 31995
12 Duodecimal 16623
16 Hexadecimal 7cfb
20 Vigesimal 3jjf
36 Base36 oor

Cryptographic Hash Functions

md5 5e7409b3e5519eff37d11f5fa5f796cb
sha1 d8b5a0008f9f626000f163a6c628b70406881d2c
sha256 f7871fd7d4f0f573025f6cec0e0c19fc743a73f801a0dfc9a972b9eb8968bcb7
sha512 3f0801e1dba52a8e3469d840f701538c4e0b53db0a581f26c607b35b231fb9ffab5e7672f1bc7905701bc49db4cfa3ecc97adcdae334f35399ecae33e058e3e2
ripemd-160 7efff695c7b7ec4b13c93a1a342bf921081fd1be

31995 as geometric shapes

Circle

Radius = n
Diameter 63990
Circumference 201030.51390321
Area 3215985646.1666

Sphere

Radius = n
Volume 1.3719394766547E+14
Surface area 12863942584.666
Circumference 201030.51390321

Square

Length = n
Perimeter 127980
Area 1023680025
Diagonal 45247.762928127

Cube

Length = n
Surface area 6142080150
Volume 32752642399875
Space diagonal 55416.965588166

Equilateral Triangle

Length = n
Perimeter 95985
Area 443266453.49834
Altitude 27708.482794083

Triangular Pyramid

Length = n
Surface area 443266453.49834
Volume 3859935923788.3
Height 15082.587642709