161018 (number)

161018 is an even 6-digits composite number following 161017 and preceding 161019. In scientific notation, it is written as 1.61018 × 10^5. The sum of its digits is 17. It has a total of 3 prime factors and 8 positive divisors. There are 67440 positive integers (up to 161018) that are relatively prime to 161018.

Interesting facts

Basic properties

Name

Name one hundred sixty-one thousand eighteen

Notation

Scientific notation 1.61018 × 10^5
Engineering notation 1.61018 × 10^3

Prime Factorization of 161018

Prime Factorization 2 × 143 × 563

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 161018
Product of the distinct prime numbers

The prime factorization of 161018 is 2 × 143 × 563. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 161018)

Multiplication

n×y
n×2 322036
n×3 483054
n×4 644072
n×5 805090

Division

n÷y
n÷2 80509
n÷3 53672.666666667
n÷3 40254.5
n÷5 32203.6

Exponentiation

ny
n2 25926796324
n3 4174680890497832
n4 6.7219876762618E+20
n5 1.0823610116563E+26

Nth Root

y√n
2√n 401.27048234327
3√n 54.403245553192
4√n 20.031736877846
5√n 10.999549174168

Divisors of 161018

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 -161017
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 161018 can be divided by 8 positive divisors. The sum of these divisors (counting 161018) is 1, the average is 0.125.

Base conversion 161018

Base System Value
2 Binary 100111010011111010
3 Ternary 22011212122
4 Quaternary 213103322
5 Quinary 20123033
6 Senary 3241242
8 Octal 472372
10 Decimal 161018
12 Duodecimal 79222
16 Hexadecimal 274fa
20 Vigesimal 102ai
36 Base36 3g8q

Cryptographic Hash Functions

md5 f7f8a4710bf546c37d2c81460640d2a6
sha1 5e492959ce009e12ab07de77737c52af6eb47c95
sha256 60ad5b7e5c01b10f304a35eeea797f208a4a1032bf0466f76ffdd14fe2ce4e3d
sha512 c21136e2be2e9db07ff22f02ddda2492d8bcdd39edf7b8d97828f8c24a4256d402b4f716b5fc3745e7444cc6ee909014f7645b15ae39e5258595b15001190a0a
ripemd-160 63d626f64c7bab0d540b3dc4268cf18a07d0560b

161018 as geometric shapes

Circle

Radius = n
Diameter 322036
Circumference 1011705.9317914
Area 81451432862.597

Sphere

Radius = n
Volume 1.7486862422226E+16
Surface area 325805731450.39
Circumference 1011705.9317914

Square

Length = n
Perimeter 644072
Area 25926796324
Diagonal 227713.83938619

Cube

Length = n
Surface area 155560777944
Volume 4174680890497832
Space diagonal 278891.35693313

Equilateral Triangle

Length = n
Perimeter 483054
Area 11226632127.664
Altitude 139445.67846656

Triangular Pyramid

Length = n
Surface area 11226632127.664
Volume 4.9199086116015E+14
Height 75904.61312873