20123845 (number)

20123845 is an odd 8-digits composite number following 20123844 and preceding 20123846. In scientific notation, it is written as 2.0123845 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 13799184 positive integers (up to 20123845) that are relatively prime to 20123845.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-three thousand eight hundred forty-five

Notation

Scientific notation 2.0123845 × 10^7
Engineering notation 2.0123845 × 10^6

Prime Factorization of 20123845

Prime Factorization 35 × 574967

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20123845
Product of the distinct prime numbers

The prime factorization of 20123845 is 35 × 574967. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20123845)

Multiplication

n×y
n×2 40247690
n×3 60371535
n×4 80495380
n×5 100619225

Division

n÷y
n÷2 10061922.5
n÷3 6707948.3333333
n÷3 5030961.25
n÷5 4024769

Exponentiation

ny
n2 404969137584025
n3 8.1495361545246E+21
n4 1.6400000239555E+29
n5 3.3003106282077E+36

Nth Root

y√n
2√n 4485.9608781174
3√n 272.0008875764
4√n 66.977316145972
5√n 28.889644169417

Divisors of 20123845

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20123844
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20123845 can be divided by 4 positive divisors. The sum of these divisors (counting 20123845) is 1, the average is 0.25.

Base conversion 20123845

Base System Value
2 Binary 1001100110001000011000101
3 Ternary 1101212101201121
4 Quaternary 1030301003011
5 Quinary 20122430340
6 Senary 1555153541
8 Octal 114610305
10 Decimal 20123845
12 Duodecimal 68a58b1
16 Hexadecimal 13310c5
20 Vigesimal 65f9c5
36 Base36 bzbnp

Cryptographic Hash Functions

md5 90052499a8bcb56963c21c9766b044f6
sha1 9744a84d63d5305a0c43203c3fbd7abe64c6a126
sha256 35fce5d0af3934f4a0ae7872d77f8ede4e513058984fb3b63a82da1f78de03c6
sha512 33eb3797eba3f992b41c486100b08074938f6348756c01549519faaad42f9a336b188a292db5017c20b88e6600cfd04d5218651fd6911c6c37cff97b25302ec4
ripemd-160 61280251c5bd8103c62c28dea76dc82ab36566b9

20123845 as geometric shapes

Circle

Radius = n
Diameter 40247690
Circumference 126441847.22796
Area 1.2722480675646E+15

Sphere

Radius = n
Volume 3.4136697217625E+22
Surface area 5.0889922702583E+15
Circumference 126441847.22796

Square

Length = n
Perimeter 80495380
Area 404969137584025
Diagonal 28459414.526094

Cube

Length = n
Surface area 2429814825504150
Volume 8.1495361545246E+21
Space diagonal 34855521.983641

Equilateral Triangle

Length = n
Perimeter 60371535
Area 1.7535678044822E+14
Altitude 17427760.99182

Triangular Pyramid

Length = n
Surface area 1.7535678044822E+14
Volume 9.6043204639821E+20
Height 9486471.508698