20081115 (number)

20081115 is an odd 8-digits composite number following 20081114 and preceding 20081116. In scientific notation, it is written as 2.0081115 × 10^7. The sum of its digits is 18. It has a total of 6 prime factors and 40 positive divisors. There are 10611648 positive integers (up to 20081115) that are relatively prime to 20081115.

Interesting facts

Basic properties

Name

Name twenty million eighty-one thousand one hundred fifteen

Notation

Scientific notation 2.0081115 × 10^7
Engineering notation 2.0081115 × 10^6

Prime Factorization of 20081115

Prime Factorization 5 × 3 × 9 × 3 × 277 × 179

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 6693705
Product of the distinct prime numbers

The prime factorization of 20081115 is 5 × 3 × 9 × 3 × 277 × 179. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20081115)

Multiplication

n×y
n×2 40162230
n×3 60243345
n×4 80324460
n×5 100405575

Division

n÷y
n÷2 10040557.5
n÷3 6693705
n÷3 5020278.75
n÷5 4016223

Exponentiation

ny
n2 403251179643225
n3 8.0977333123013E+21
n4 1.6261151388365E+29
n5 3.2654205106217E+36

Nth Root

y√n
2√n 4481.1957109682
3√n 271.8082333076
4√n 66.941733701542
5√n 28.877365161051

Divisors of 20081115

40 divisors

τ Total Divisors 40
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20081114
Sum of the proper positive divisors of n
A Arithmetic Mean 0.025
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 40
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20081115 can be divided by 40 positive divisors. The sum of these divisors (counting 20081115) is 1, the average is 0.025.

Base conversion 20081115

Base System Value
2 Binary 1001100100110100111011011
3 Ternary 1101210020010000
4 Quaternary 1030212213123
5 Quinary 20120043430
6 Senary 1554224043
8 Octal 114464733
10 Decimal 20081115
12 Duodecimal 6885023
16 Hexadecimal 13269db
20 Vigesimal 65a2ff
36 Base36 byeor

Cryptographic Hash Functions

md5 02b9fe293dc90965fe85459e573b8602
sha1 49942c77cf785246e5304b5de1d45bd95d2c98c4
sha256 3bd737720ae0f29251dd3d0e4cd0dee72087a791a51a345433363efc50e074ba
sha512 97d180609a8eba16089601d3d29a8cbfccc1aa09a596f663452cf6a24a33c2e42707d6a26d59e95024988303b1410a9d3e177e5a14b1ecc6c73127a2e296d5bf
ripemd-160 9cff64763311523288f06bbf2bd7106a1c622b55

20081115 as geometric shapes

Circle

Radius = n
Diameter 40162230
Circumference 126173366.71978
Area 1.2668509435186E+15

Sphere

Radius = n
Volume 3.391970597954E+22
Surface area 5.0674037740743E+15
Circumference 126173366.71978

Square

Length = n
Perimeter 80324460
Area 403251179643225
Diagonal 28398985.180574

Cube

Length = n
Surface area 2419507077859350
Volume 8.0977333123013E+21
Space diagonal 34781511.452633

Equilateral Triangle

Length = n
Perimeter 60243345
Area 1.7461288283854E+14
Altitude 17390755.726317

Triangular Pyramid

Length = n
Surface area 1.7461288283854E+14
Volume 9.5432702289474E+20
Height 9466328.3935246