20123818 (number)

20123818 is an even 8-digits composite number following 20123817 and preceding 20123819. In scientific notation, it is written as 2.0123818 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 7944960 positive integers (up to 20123818) that are relatively prime to 20123818.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-three thousand eight hundred eighteen

Notation

Scientific notation 2.0123818 × 10^7
Engineering notation 2.0123818 × 10^6

Prime Factorization of 20123818

Prime Factorization 2 × 2431 × 4139

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20123818
Product of the distinct prime numbers

The prime factorization of 20123818 is 2 × 2431 × 4139. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20123818)

Multiplication

n×y
n×2 40247636
n×3 60371454
n×4 80495272
n×5 100619090

Division

n÷y
n÷2 10061909
n÷3 6707939.3333333
n÷3 5030954.5
n÷5 4024763.6

Exponentiation

ny
n2 404968050897124
n3 8.1495033520685E+21
n4 1.6399912224742E+29
n5 3.3002884882667E+36

Nth Root

y√n
2√n 4485.9578687277
3√n 272.00076592922
4√n 66.977293680229
5√n 28.889636417212

Divisors of 20123818

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 -20123817
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 20123818 can be divided by 8 positive divisors. The sum of these divisors (counting 20123818) is 1, the average is 0.125.

Base conversion 20123818

Base System Value
2 Binary 1001100110001000010101010
3 Ternary 1101212101200121
4 Quaternary 1030301002222
5 Quinary 20122430233
6 Senary 1555153454
8 Octal 114610252
10 Decimal 20123818
12 Duodecimal 68a588a
16 Hexadecimal 13310aa
20 Vigesimal 65f9ai
36 Base36 bzbmy

Cryptographic Hash Functions

md5 4a1a24143abbe20093b70182abd9a037
sha1 8c563282d9d5615aaf29539bbbf5ae411aa780bb
sha256 7e288d8bce0797d7312322d4343c1b2031a231e9e7e10f6036fda74478649979
sha512 a026c77477b1421f6e69b44f894079470dec40670c3f0283ad5d40138891580d3e9a6c172cace4f400c6d6729a245fa5b38278da325773b18cc683a64f92ae9c
ripemd-160 ece57b4c4dab0cb18f81754b02096654f030829b

20123818 as geometric shapes

Circle

Radius = n
Diameter 40247636
Circumference 126441677.58196
Area 1.272244653637E+15

Sphere

Radius = n
Volume 3.4136559815018E+22
Surface area 5.0889786145479E+15
Circumference 126441677.58196

Square

Length = n
Perimeter 80495272
Area 404968050897124
Diagonal 28459376.342328

Cube

Length = n
Surface area 2429808305382744
Volume 8.1495033520685E+21
Space diagonal 34855475.218269

Equilateral Triangle

Length = n
Perimeter 60371454
Area 1.7535630989899E+14
Altitude 17427737.609135

Triangular Pyramid

Length = n
Surface area 1.7535630989899E+14
Volume 9.6042818059168E+20
Height 9486458.7807759