18995 (number)

18995 is an odd 5-digits composite number following 18994 and preceding 18996. In scientific notation, it is written as 1.8995 × 10^4. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 14560 positive integers (up to 18995) that are relatively prime to 18995.

Interesting facts

Basic properties

Name

Name eighteen thousand nine hundred ninety-five

Notation

Scientific notation 1.8995 × 10^4
Engineering notation 1.8995 × 10^3

Prime Factorization of 18995

Prime Factorization 5 × 131 × 29

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18995
Product of the distinct prime numbers

The prime factorization of 18995 is 5 × 131 × 29. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18995)

Multiplication

n×y
n×2 37990
n×3 56985
n×4 75980
n×5 94975

Division

n÷y
n÷2 9497.5
n÷3 6331.6666666667
n÷3 4748.75
n÷5 3799

Exponentiation

ny
n2 360810025
n3 6853586424875
n4 130183874140500625
n5 2.4728426892988E+21

Nth Root

y√n
2√n 137.82234942127
3√n 26.681675578664
4√n 11.739776378674
5√n 7.1734464325768

Divisors of 18995

1, 5, 29, 131, 145, 655, 3799, 18995

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 -18994
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 18995 can be divided by 8 positive divisors. The sum of these divisors (counting 18995) is 1, the average is 0.125.

Base conversion 18995

Base System Value
2 Binary 100101000110011
3 Ternary 222001112
4 Quaternary 10220303
5 Quinary 1101440
6 Senary 223535
8 Octal 45063
10 Decimal 18995
12 Duodecimal abab
16 Hexadecimal 4a33
20 Vigesimal 279f
36 Base36 enn

Cryptographic Hash Functions

md5 39f1eea5596e2fb08737be60887d30df
sha1 d31d846324f2b376c5e64463d88b268ae007f761
sha256 3db6c6ddaecfbc6633f422f2b4818fb5e1e8e5764b973af1a005905db56292db
sha512 d454e367ab006fe10701d80958c8f83e36c624b9725166ae912645f4fcb8f218884e2698a6a5cd1c158df6e6d4bb4c18b6f48d3117a65529db9d4e78e83ca291
ripemd-160 23befeab99f36917dbd313300a908507871c1295

18995 as geometric shapes

Circle

Radius = n
Diameter 37990
Circumference 119349.10490988
Area 1133518123.8815

Sphere

Radius = n
Volume 28708235684173
Surface area 4534072495.5262
Circumference 119349.10490988

Square

Length = n
Perimeter 75980
Area 360810025
Diagonal 26862.986617277

Cube

Length = n
Surface area 2164860150
Volume 6853586424875
Space diagonal 32900.305089771

Equilateral Triangle

Length = n
Perimeter 56985
Area 156235323.79505
Altitude 16450.152544885

Triangular Pyramid

Length = n
Surface area 156235323.79505
Volume 807702906079.53
Height 8954.3288724256