20115 (number)

20115 is an odd 5-digits composite number following 20114 and preceding 20116. In scientific notation, it is written as 2.0115 × 10^4. The sum of its digits is 9. It has a total of 3 prime factors and 8 positive divisors. There are 10656 positive integers (up to 20115) that are relatively prime to 20115.

Interesting facts

Basic properties

Name

Name twenty thousand one hundred fifteen

Notation

Scientific notation 2.0115 × 10^4
Engineering notation 2.0115 × 10^3

Prime Factorization of 20115

Prime Factorization 3 × 45 × 149

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20115
Product of the distinct prime numbers

The prime factorization of 20115 is 3 × 45 × 149. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 7, 54, 28, 83, 530, 896, 8344, 77728, 39819, 227139, 849097, 9115839, 7521322, 20648320, 11339940, 769246265, 40792358, 8113853971, 5729252617

Basic calculations (n = 20115)

Multiplication

n×y
n×2 40230
n×3 60345
n×4 80460
n×5 100575

Division

n÷y
n÷2 10057.5
n÷3 6705
n÷3 5028.75
n÷5 4023

Exponentiation

ny
n2 404613225
n3 8138795020875
n4 163711861844900625
n5 3.2930641010102E+21

Nth Root

y√n
2√n 141.82735984287
3√n 27.196103103778
4√n 11.909129264681
5√n 7.2561124983601

Divisors of 20115

1, 3, 45, 135, 149, 447, 6705, 20115

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 -20114
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 20115 can be divided by 8 positive divisors. The sum of these divisors (counting 20115) is 1, the average is 0.125.

Base conversion 20115

Base System Value
2 Binary 100111010010011
3 Ternary 1000121000
4 Quaternary 10322103
5 Quinary 1120430
6 Senary 233043
8 Octal 47223
10 Decimal 20115
12 Duodecimal b783
16 Hexadecimal 4e93
20 Vigesimal 2a5f
36 Base36 fir

Cryptographic Hash Functions

md5 2b795a1bc79c65ed1e8693a24834e664
sha1 8bcf64a76ae29e45dbe059d71c4fcd6c65de6c7c
sha256 16da0883c54e755a9c7028bcdbdea8a50623351290840d449bdf6bf4c5d45183
sha512 1cc3c7590364023231ab6ef41c3462fc7b3032e1e24ab5f5ec1507b8480bc0da0d735f53bba137c9f6a197011ed7d956655f8fc12e1bc327c9f996020a77076e
ripemd-160 798827e6560ceba5fab214ab37adc286535d4e66

20115 as geometric shapes

Circle

Radius = n
Diameter 40230
Circumference 126386.27245392
Area 1271129935.2053

Sphere

Radius = n
Volume 34091704862205
Surface area 5084519740.8211
Circumference 126386.27245392

Square

Length = n
Perimeter 80460
Area 404613225
Diagonal 28446.905807135

Cube

Length = n
Surface area 2427679350
Volume 8138795020875
Space diagonal 34840.201994248

Equilateral Triangle

Length = n
Perimeter 60345
Area 175202665.77857
Altitude 17420.100997124

Triangular Pyramid

Length = n
Surface area 175202665.77857
Volume 959166191658
Height 9482.3019357116