115 (number)

115 is an odd 3-digits composite number following 114 and preceding 116. In scientific notation, it is written as 1.15 × 10^2. The sum of its digits is 7. It has a total of 2 prime factors and 4 positive divisors. There are 88 positive integers (up to 115) that are relatively prime to 115.

Interesting facts

Basic properties

Name

Name one hundred fifteen

Notation

Scientific notation 1.15 × 10^2
Engineering notation 1.15 × 10^0

Prime Factorization of 115

Prime Factorization 5 × 23

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 115
Product of the distinct prime numbers

The prime factorization of 115 is 5 × 23. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 6, 25, 93, 724, 428, 2548, 2334, 65277, 95302, 41340, 723154, 9239459, 450156, 48260448, 18194863, 22381653, 514222355, 6775922091, 2532720027

Basic calculations (n = 115)

Multiplication

n×y
n×2 230
n×3 345
n×4 460
n×5 575

Division

n÷y
n÷2 57.5
n÷3 38.333333333333
n÷3 28.75
n÷5 23

Exponentiation

ny
n2 13225
n3 1520875
n4 174900625
n5 20113571875

Nth Root

y√n
2√n 10.723805294764
3√n 4.8629441310943
4√n 3.2747221706221
5√n 2.5830901781309

Divisors of 115

1, 5, 23, 115

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 -114
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 115 can be divided by 4 positive divisors. The sum of these divisors (counting 115) is 1, the average is 0.25.

Base conversion 115

Base System Value
2 Binary 1110011
3 Ternary 11021
4 Quaternary 1303
5 Quinary 430
6 Senary 311
8 Octal 163
10 Decimal 115
12 Duodecimal 97
16 Hexadecimal 73
20 Vigesimal 5f
36 Base36 37

Cryptographic Hash Functions

md5 2b44928ae11fb9384c4cf38708677c48
sha1 efa6e44dfa0145249be273ecd84a97f534b04920
sha256 28dae7c8bde2f3ca608f86d0e16a214dee74c74bee011cdfdd46bc04b655bc14
sha512 6dceabd726663410551bb4173da33bdc3e602508e93dd251bfab7e98210fe37de9bd7689b275e4822db9bb6585b5bd74533d987d1054aa060ae19538ff242796
ripemd-160 841f33663391946162be8538219ba66bfa3e15c2

115 as geometric shapes

Circle

Radius = n
Diameter 230
Circumference 722.56631032565
Area 41547.562843725

Sphere

Radius = n
Volume 6370626.3027045
Surface area 166190.2513749
Circumference 722.56631032565

Square

Length = n
Perimeter 460
Area 13225
Diagonal 162.63455967291

Cube

Length = n
Surface area 79350
Volume 1520875
Space diagonal 199.18584287042

Equilateral Triangle

Length = n
Perimeter 345
Area 5726.5929825246
Altitude 99.59292143521

Triangular Pyramid

Length = n
Surface area 5726.5929825246
Volume 179236.83763952
Height 54.211519890969