1091 (number)

1091 is an odd 4-digits prime number following 1090 and preceding 1092. In scientific notation, it is written as 1.091 × 10^3. The sum of its digits is 11. It has a total of 1 prime factors and 2 positive divisors. There are 1090 positive integers (up to 1091) that are relatively prime to 1091.

Interesting facts

Basic properties

Name

Name one thousand ninety-one

Notation

Scientific notation 1.091 × 10^3
Engineering notation 1.091 × 10^3

Prime Factorization of 1091

Prime Factorization 1091

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 1091
Product of the distinct prime numbers

The prime factorization of 1091 is 1091. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1091)

Multiplication

n×y
n×2 2182
n×3 3273
n×4 4364
n×5 5455

Division

n÷y
n÷2 545.5
n÷3 363.66666666667
n÷3 272.75
n÷5 218.2

Exponentiation

ny
n2 1190281
n3 1298596571
n4 1416768858961
n5 1545694825126451

Nth Root

y√n
2√n 33.030289129827
3√n 10.29457092842
4√n 5.7471983722356
5√n 4.0510252497432

Divisors of 1091

1, 1091

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 1092
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 546
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 33.045423283717
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9981684981685
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1091 can be divided by 2 positive divisors. The sum of these divisors (counting 1091) is 1092, the average is 546.

Base conversion 1091

Base System Value
2 Binary 10001000011
3 Ternary 1111102
4 Quaternary 101003
5 Quinary 13331
6 Senary 5015
8 Octal 2103
10 Decimal 1091
12 Duodecimal 76b
16 Hexadecimal 443
20 Vigesimal 2eb
36 Base36 ub

Cryptographic Hash Functions

md5 754dda4b1ba34c6fa89716b85d68532b
sha1 789ef3d6e1196152c1e7ccadc639c306254a305e
sha256 11bde34a6593b3da0d81a8a71b24dc6f6cf05d18e9f59e610e58ff202263adef
sha512 a50e014f54d495dfef989ea2af05918ea312d420202e7629fe2f0e03c63ea60f072473147b8083a590fac0fa7027d97313108cedd3d43b558eb1d2cb084ed513
ripemd-160 9fbd707750e92db0a42e1026e6235e17fb057c7f

1091 as geometric shapes

Circle

Radius = n
Diameter 2182
Circumference 6854.9551701329
Area 3739378.0453075

Sphere

Radius = n
Volume 5439548596.574
Surface area 14957512.18123
Circumference 6854.9551701329

Square

Length = n
Perimeter 4364
Area 1190281
Diagonal 1542.906996549

Cube

Length = n
Surface area 7141686
Volume 1298596571
Space diagonal 1889.6674310576

Equilateral Triangle

Length = n
Perimeter 3273
Area 515406.79182097
Altitude 944.83371552882

Triangular Pyramid

Length = n
Surface area 515406.79182097
Volume 153041073.56328
Height 514.30233218302