161505 (number)

161505 is an odd 6-digits composite number following 161504 and preceding 161506. In scientific notation, it is written as 1.61505 × 10^5. The sum of its digits is 18. It has a total of 4 prime factors and 16 positive divisors. There are 82944 positive integers (up to 161505) that are relatively prime to 161505.

Interesting facts

Basic properties

Name

Name one hundred sixty-one thousand five hundred five

Notation

Scientific notation 1.61505 × 10^5
Engineering notation 1.61505 × 10^3

Prime Factorization of 161505

Prime Factorization 9 × 5 × 97 × 37

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 161505
Product of the distinct prime numbers

The prime factorization of 161505 is 9 × 5 × 97 × 37. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 161505)

Multiplication

n×y
n×2 323010
n×3 484515
n×4 646020
n×5 807525

Division

n÷y
n÷2 80752.5
n÷3 53835
n÷3 40376.25
n÷5 32301

Exponentiation

ny
n2 26083865025
n3 4212674620862625
n4 6.8036801464242E+20
n5 1.0988283620482E+26

Nth Root

y√n
2√n 401.87684680758
3√n 54.45803800821
4√n 20.046866259034
5√n 11.006194780915

Divisors of 161505

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -161504
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 161505 can be divided by 16 positive divisors. The sum of these divisors (counting 161505) is 1, the average is 0.0625.

Base conversion 161505

Base System Value
2 Binary 100111011011100001
3 Ternary 22012112200
4 Quaternary 213123201
5 Quinary 20132010
6 Senary 3243413
8 Octal 473341
10 Decimal 161505
12 Duodecimal 79569
16 Hexadecimal 276e1
20 Vigesimal 103f5
36 Base36 3gm9

Cryptographic Hash Functions

md5 da5853cb34a414915644247460804924
sha1 255a690e3428ec8b04950b2426e6ccefff288c9e
sha256 bd1671aca2e96b25573e03e45ac1c1ce8bd63a5838fb67827b5e71d3c8ee9b79
sha512 9d6a937c4febb94019b63e5974a4e8391d7e3bf0305027513fbcfdaf0af39da45fcca50ce191db0d23069da494c7806eef86ae6e52af7460895688724391e03c
ripemd-160 586f72bff65f4b32dcc227b9e64877e75f0c9275

161505 as geometric shapes

Circle

Radius = n
Diameter 323010
Circumference 1014765.843036
Area 81944878739.768

Sphere

Radius = n
Volume 1.7646010187822E+16
Surface area 327779514959.07
Circumference 1014765.843036

Square

Length = n
Perimeter 646020
Area 26083865025
Diagonal 228402.56139107

Cube

Length = n
Surface area 156503190150
Volume 4212674620862625
Space diagonal 279734.86567641

Equilateral Triangle

Length = n
Perimeter 484515
Area 11294644870.267
Altitude 139867.43283821

Triangular Pyramid

Length = n
Surface area 11294644870.267
Volume 4.9646846522407E+14
Height 76134.187130356