1161 (number)

1161 is an odd 4-digits composite number following 1160 and preceding 1162. In scientific notation, it is written as 1.161 × 10^3. The sum of its digits is 9. It has a total of 3 prime factors and 8 positive divisors. There are 756 positive integers (up to 1161) that are relatively prime to 1161.

Interesting facts

Basic properties

Name

Name one thousand one hundred sixty-one

Notation

Scientific notation 1.161 × 10^3
Engineering notation 1.161 × 10^3

Prime Factorization of 1161

Prime Factorization 3 × 9 × 43

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 1161
Product of the distinct prime numbers

The prime factorization of 1161 is 3 × 9 × 43. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 6, 1, 87, 870, 259, 5935, 4356, 76565, 10331, 217976, 368450, 9766436, 7872865, 56166205, 35923262, 228069930, 260205531, 8720409398, 1238747541

Basic calculations (n = 1161)

Multiplication

n×y
n×2 2322
n×3 3483
n×4 4644
n×5 5805

Division

n÷y
n÷2 580.5
n÷3 387
n÷3 290.25
n÷5 232.2

Exponentiation

ny
n2 1347921
n3 1564936281
n4 1816891022241
n5 2109410476821801

Nth Root

y√n
2√n 34.073450074802
3√n 10.51019418116
4√n 5.8372467889238
5√n 4.1017240951791

Divisors of 1161

1, 3, 9, 27, 43, 129, 387, 1161

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 -1160
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 1161 can be divided by 8 positive divisors. The sum of these divisors (counting 1161) is 1, the average is 0.125.

Base conversion 1161

Base System Value
2 Binary 10010001001
3 Ternary 1121000
4 Quaternary 102021
5 Quinary 14121
6 Senary 5213
8 Octal 2211
10 Decimal 1161
12 Duodecimal 809
16 Hexadecimal 489
20 Vigesimal 2i1
36 Base36 w9

Cryptographic Hash Functions

md5 38ca89564b2259401518960f7a06f94b
sha1 25c65868b540200530fe4d75eb95a9a92c0c76ce
sha256 f1de64eac803d9604ccb03ec7734b0e0eedc75ffebb091a39bf9b9397c39edf8
sha512 796e8e4aebcb4f7e2b6d261ae740c869a6600fa821887d786fd5e51946d737dcbe4bdb1837bdbdf991fbbce05d6c02d4ad67eac51e1da566832ee7a9438f3983
ripemd-160 09d12157487aff7fdfe9e06d06e5ebf87be5f1b2

1161 as geometric shapes

Circle

Radius = n
Diameter 2322
Circumference 7294.7781416355
Area 4234618.7112194

Sphere

Radius = n
Volume 6555189764.9676
Surface area 16938474.844878
Circumference 7294.7781416355

Square

Length = n
Perimeter 4644
Area 1347921
Diagonal 1641.9019459152

Cube

Length = n
Surface area 8087526
Volume 1564936281
Space diagonal 2010.9109875875

Equilateral Triangle

Length = n
Perimeter 3483
Area 583666.91414726
Altitude 1005.4554937937

Triangular Pyramid

Length = n
Surface area 583666.91414726
Volume 184429509.40333
Height 547.30064863839