161005955 (number)

161005955 is an odd 9-digits composite number following 161005954 and preceding 161005956. In scientific notation, it is written as 1.61005955 × 10^8. The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors. There are 116916480 positive integers (up to 161005955) that are relatively prime to 161005955.

Interesting facts

Basic properties

Name

Name one hundred sixty-one million five thousand nine hundred fifty-five

Notation

Scientific notation 1.61005955 × 10^8
Engineering notation 1.61005955 × 10^6

Prime Factorization of 161005955

Prime Factorization 11 × 5 × 3673 × 797

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 161005955
Product of the distinct prime numbers

The prime factorization of 161005955 is 11 × 5 × 3673 × 797. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 161005955)

Multiplication

n×y
n×2 322011910
n×3 483017865
n×4 644023820
n×5 805029775

Division

n÷y
n÷2 80502977.5
n÷3 53668651.666667
n÷3 40251488.75
n÷5 32201191

Exponentiation

ny
n2 25922917545462025
n3 4.1737440957934E+24
n4 6.7199765406882E+32
n5 1.0819562405111E+41

Nth Root

y√n
2√n 12688.812198153
3√n 544.01888968973
4√n 112.6446279152
5√n 43.789338826576

Divisors of 161005955

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 -161005954
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 161005955 can be divided by 16 positive divisors. The sum of these divisors (counting 161005955) is 1, the average is 0.0625.

Base conversion 161005955

Base System Value
2 Binary 1001100110001100000110000011
3 Ternary 102012221221122112
4 Quaternary 21212030012003
5 Quinary 312204142310
6 Senary 23550525535
8 Octal 1146140603
10 Decimal 161005955
12 Duodecimal 45b068ab
16 Hexadecimal 998c183
20 Vigesimal 2a65ehf
36 Base36 2nuwzn

Cryptographic Hash Functions

md5 d3d34af71ea236b6f98649b1038e7b80
sha1 8a7e4d596798014e09ed94f13b5bddcfd79f44c8
sha256 f797155a923d34986de27876c5e91a6b2eabccd304c0d937c101e477d4ad469b
sha512 2e6a638aae4f6685edbb96daca5ccd5140adf42559127d96a2fcb8c52394799b72ad769a002350764aa19c72219ba5cca2dffca2f6157622d5d6f02ed9aae6d4
ripemd-160 e2002281375e1806ffd19ceda16c70076d1b74f5

161005955 as geometric shapes

Circle

Radius = n
Diameter 322011910
Circumference 1011630250.8244
Area 8.1439247320437E+16

Sphere

Radius = n
Volume 1.7482938385744E+25
Surface area 3.2575698928175E+17
Circumference 1011630250.8244

Square

Length = n
Perimeter 644023820
Area 25922917545462025
Diagonal 227696805.18383

Cube

Length = n
Surface area 155537505272772150
Volume 4.1737440957934E+24
Space diagonal 278870494.38115

Equilateral Triangle

Length = n
Perimeter 483017865
Area 1.122495256729E+16
Altitude 139435247.19057

Triangular Pyramid

Length = n
Surface area 1.122495256729E+16
Volume 4.9188045884547E+23
Height 75898935.061277