20115809 (number)

20115809 is an odd 8-digits composite number following 20115808 and preceding 20115810. In scientific notation, it is written as 2.0115809 × 10^7. The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors. There are 17221680 positive integers (up to 20115809) that are relatively prime to 20115809.

Interesting facts

Basic properties

Name

Name twenty million one hundred fifteen thousand eight hundred nine

Notation

Scientific notation 2.0115809 × 10^7
Engineering notation 2.0115809 × 10^6

Prime Factorization of 20115809

Prime Factorization 7 × 1531 × 1877

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20115809
Product of the distinct prime numbers

The prime factorization of 20115809 is 7 × 1531 × 1877. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20115809)

Multiplication

n×y
n×2 40231618
n×3 60347427
n×4 80463236
n×5 100579045

Division

n÷y
n÷2 10057904.5
n÷3 6705269.6666667
n÷3 5028952.25
n÷5 4023161.8

Exponentiation

ny
n2 404645771724481
n3 8.1397770566673E+21
n4 1.637382005745E+29
n5 3.2937263687603E+36

Nth Root

y√n
2√n 4485.065105436
3√n 271.96467696577
4√n 66.970628677324
5√n 28.887336516261

Divisors of 20115809

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 -20115808
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 20115809 can be divided by 8 positive divisors. The sum of these divisors (counting 20115809) is 1, the average is 0.125.

Base conversion 20115809

Base System Value
2 Binary 1001100101111000101100001
3 Ternary 1101211222200222
4 Quaternary 1030233011201
5 Quinary 20122201214
6 Senary 1555052425
8 Octal 114570541
10 Decimal 20115809
12 Duodecimal 68a1115
16 Hexadecimal 132f161
20 Vigesimal 65e9a9
36 Base36 bz5gh

Cryptographic Hash Functions

md5 fadbdf40ac06037529554c3ec1bbb6bf
sha1 6c3226f8c2a65a39777fda4a1efbbdf33f974f7c
sha256 b7f65dd4203bdcc3484228e8ec0066dd10d14fd42f84e44e5a61d1d2f65824cc
sha512 e165255ab5303bc3b7932e95eddccf1e37f6e3062cbd384d6e2f14f1a029d7cbbb5a06bf0e535f14e0580f9485f244d3c74ec995dd4d5632fd654bf7598578f0
ripemd-160 7176974d60035395fdf302e19fafc54efd435b29

20115809 as geometric shapes

Circle

Radius = n
Diameter 40231618
Circumference 126391355.55083
Area 1.2712321837558E+15

Sphere

Radius = n
Volume 3.4095818404113E+22
Surface area 5.0849287350232E+15
Circumference 126391355.55083

Square

Length = n
Perimeter 80463236
Area 404645771724481
Diagonal 28448049.905907

Cube

Length = n
Surface area 2427874630346886
Volume 8.1397770566673E+21
Space diagonal 34841603.223351

Equilateral Triangle

Length = n
Perimeter 60347427
Area 1.7521675892368E+14
Altitude 17420801.611676

Triangular Pyramid

Length = n
Surface area 1.7521675892368E+14
Volume 9.5928192568602E+20
Height 9482683.3019689