160991 (number)

160991 is an odd 6-digits composite number following 160990 and preceding 160992. In scientific notation, it is written as 1.60991 × 10^5. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 159984 positive integers (up to 160991) that are relatively prime to 160991.

Interesting facts

Basic properties

Name

Name one hundred sixty thousand nine hundred ninety-one

Notation

Scientific notation 1.60991 × 10^5
Engineering notation 1.60991 × 10^3

Prime Factorization of 160991

Prime Factorization 199 × 809

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 160991
Product of the distinct prime numbers

The prime factorization of 160991 is 199 × 809. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 160991)

Multiplication

n×y
n×2 321982
n×3 482973
n×4 643964
n×5 804955

Division

n÷y
n÷2 80495.5
n÷3 53663.666666667
n÷3 40247.75
n÷5 32198.2

Exponentiation

ny
n2 25918102081
n3 4172581172122271
n4 6.7174801548114E+20
n5 1.0814538476032E+26

Nth Root

y√n
2√n 401.23683779035
3√n 54.400204547962
4√n 20.030897079021
5√n 10.999180261686

Divisors of 160991

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -160990
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 160991 can be divided by 4 positive divisors. The sum of these divisors (counting 160991) is 1, the average is 0.25.

Base conversion 160991

Base System Value
2 Binary 100111010011011111
3 Ternary 22011211122
4 Quaternary 213103133
5 Quinary 20122431
6 Senary 3241155
8 Octal 472337
10 Decimal 160991
12 Duodecimal 791bb
16 Hexadecimal 274df
20 Vigesimal 1029b
36 Base36 3g7z

Cryptographic Hash Functions

md5 dfe5763d05f7873c4879d40dacb8130c
sha1 d6d2d924dc47498ae8859658063a08cf8a8d98bf
sha256 38a586c29fee9f104fc7bf64d9f765f9590a102fc24f763cc121cd577e3e2234
sha512 a0481563c500c36a8a0a8b00f8fadaa2cfe88b88dad46f41f5d36c721b70918b866ccdfb63add6664fe77095f6cdede967e1cdf051527fe7d04e343ef64cb100
ripemd-160 aca8e7428eb25a97a7c0c0f4b1c02271671c45dd

160991 as geometric shapes

Circle

Radius = n
Diameter 321982
Circumference 1011536.2857881
Area 81424119092.66

Sphere

Radius = n
Volume 1.7478067142462E+16
Surface area 325696476370.64
Circumference 1011536.2857881

Square

Length = n
Perimeter 643964
Area 25918102081
Diagonal 227675.65562001

Cube

Length = n
Surface area 155508612486
Volume 4172581172122271
Space diagonal 278844.59156132

Equilateral Triangle

Length = n
Perimeter 482973
Area 11222867410.012
Altitude 139422.29578066

Triangular Pyramid

Length = n
Surface area 11222867410.012
Volume 4.917434069765E+14
Height 75891.885206669