20101818 (number)

20101818 is an even 8-digits composite number following 20101817 and preceding 20101819. In scientific notation, it is written as 2.0101818 × 10^7. The sum of its digits is 21. It has a total of 5 prime factors and 32 positive divisors. There are 5990400 positive integers (up to 20101818) that are relatively prime to 20101818.

Interesting facts

Basic properties

Name

Name twenty million one hundred one thousand eight hundred eighteen

Notation

Scientific notation 2.0101818 × 10^7
Engineering notation 2.0101818 × 10^6

Prime Factorization of 20101818

Prime Factorization 2 × 3 × 11 × 61 × 4993

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20101818
Product of the distinct prime numbers

The prime factorization of 20101818 is 2 × 3 × 11 × 61 × 4993. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20101818)

Multiplication

n×y
n×2 40203636
n×3 60305454
n×4 80407272
n×5 100509090

Division

n÷y
n÷2 10050909
n÷3 6700606
n÷3 5025454.5
n÷5 4020363.6

Exponentiation

ny
n2 404083086905124
n3 8.122804669845E+21
n4 1.6328314112277E+29
n5 3.2822879853183E+36

Nth Root

y√n
2√n 4483.5051020379
3√n 271.90160981455
4√n 66.958980742227
5√n 28.883317038706

Divisors of 20101818

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20101817
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20101818 can be divided by 32 positive divisors. The sum of these divisors (counting 20101818) is 1, the average is 0.03125.

Base conversion 20101818

Base System Value
2 Binary 1001100101011101010111010
3 Ternary 1101211021111210
4 Quaternary 1030223222322
5 Quinary 20121224233
6 Senary 1554503550
8 Octal 114535272
10 Decimal 20101818
12 Duodecimal 6894bb6
16 Hexadecimal 132baba
20 Vigesimal 65ceai
36 Base36 byunu

Cryptographic Hash Functions

md5 fe4e8c5e4f0351c14065c9c6e4fef3fd
sha1 5ab9eaead6c3a3fa351b1db965632145be61a835
sha256 ac602e5c30bb35847e73baeb20ac4ab52f46615c9eb4e5f23c2e2d6fc57e2385
sha512 92b9231bdb7bfb1389e858ee7585e7c69d3b855b12bb2ed4fad068107f74b5ecd15db427250a79a8a9af737e97e12841c9dde6505660f25f833622826dd0504a
ripemd-160 d6dc6b543300be2326ae0546b4713c88ef388b33

20101818 as geometric shapes

Circle

Radius = n
Diameter 40203636
Circumference 126303447.5052
Area 1.269464457261E+15

Sphere

Radius = n
Volume 3.402472463644E+22
Surface area 5.0778578290441E+15
Circumference 126303447.5052

Square

Length = n
Perimeter 80407272
Area 404083086905124
Diagonal 28428263.643956

Cube

Length = n
Surface area 2424498521430744
Volume 8.122804669845E+21
Space diagonal 34817370.100503

Equilateral Triangle

Length = n
Perimeter 60305454
Area 1.7497310924974E+14
Altitude 17408685.050251

Triangular Pyramid

Length = n
Surface area 1.7497310924974E+14
Volume 9.5728171071686E+20
Height 9476087.8813185