1155 (number)

1155 is an odd 4-digits composite number following 1154 and preceding 1156. In scientific notation, it is written as 1.155 × 10^3. The sum of its digits is 12. It has a total of 3 prime factors and 8 positive divisors. There are 480 positive integers (up to 1155) that are relatively prime to 1155.

Interesting facts

Basic properties

Name

Name one thousand one hundred fifty-five

Notation

Scientific notation 1.155 × 10^3
Engineering notation 1.155 × 10^3

Prime Factorization of 1155

Prime Factorization 5 × 21 × 11

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 1155
Product of the distinct prime numbers

The prime factorization of 1155 is 5 × 21 × 11. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 7, 99, 89, 279, 965, 1690, 2212, 9278, 49388, 726852, 428534, 2318455, 3224888, 31753203, 86945227, 569174637, 11807892, 8119484495, 4415681425

Basic calculations (n = 1155)

Multiplication

n×y
n×2 2310
n×3 3465
n×4 4620
n×5 5775

Division

n÷y
n÷2 577.5
n÷3 385
n÷3 288.75
n÷5 231

Exponentiation

ny
n2 1334025
n3 1540798875
n4 1779622700625
n5 2055464219221875

Nth Root

y√n
2√n 33.985290935933
3√n 10.492057485623
4√n 5.8296904665628
5√n 4.097475795956

Divisors of 1155

1, 5, 11, 21, 55, 105, 231, 1155

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 -1154
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 1155 can be divided by 8 positive divisors. The sum of these divisors (counting 1155) is 1, the average is 0.125.

Base conversion 1155

Base System Value
2 Binary 10010000011
3 Ternary 1120210
4 Quaternary 102003
5 Quinary 14110
6 Senary 5203
8 Octal 2203
10 Decimal 1155
12 Duodecimal 803
16 Hexadecimal 483
20 Vigesimal 2hf
36 Base36 w3

Cryptographic Hash Functions

md5 285f89b802bcb2651801455c86d78f2a
sha1 1955bfd4523499c91e72d5c446d0d74cccaa5275
sha256 37b1267a4ff4e12dddfe443810c1f986dcf2f5e96358ab20847d28e3d80883d8
sha512 0bd34f0a9256c6a8a8962f0b00673a9190ae4cea3f1677d3a2a000bb40bf4c70d4d32c9ffedfef8eab144c6240f56cec7796eda22bd3ada724d9d4ca682a8d8c
ripemd-160 fee1c5cd08a5122bc470b5644d31828eba9805d5

1155 as geometric shapes

Circle

Radius = n
Diameter 2310
Circumference 7257.0790297924
Area 4190963.1397051

Sphere

Radius = n
Volume 6454083235.1459
Surface area 16763852.55882
Circumference 7257.0790297924

Square

Length = n
Perimeter 4620
Area 1334025
Diagonal 1633.4166645409

Cube

Length = n
Surface area 8004150
Volume 1540798875
Space diagonal 2000.5186827421

Equilateral Triangle

Length = n
Perimeter 3465
Area 577649.76964177
Altitude 1000.259341371

Triangular Pyramid

Length = n
Surface area 577649.76964177
Volume 181584888.82618
Height 544.47222151364