20123865 (number)

20123865 is an odd 8-digits composite number following 20123864 and preceding 20123866. In scientific notation, it is written as 2.0123865 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 10732704 positive integers (up to 20123865) that are relatively prime to 20123865.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0123865 × 10^7
Engineering notation 2.0123865 × 10^6

Prime Factorization of 20123865

Prime Factorization 9 × 5 × 447197

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20123865
Product of the distinct prime numbers

The prime factorization of 20123865 is 9 × 5 × 447197. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20123865)

Multiplication

n×y
n×2 40247730
n×3 60371595
n×4 80495460
n×5 100619325

Division

n÷y
n÷2 10061932.5
n÷3 6707955
n÷3 5030966.25
n÷5 4024773

Exponentiation

ny
n2 404969942538225
n3 8.149560452697E+21
n4 1.6400065435941E+29
n5 3.3003270282405E+36

Nth Root

y√n
2√n 4485.9631072937
3√n 272.00097768536
4√n 66.977332787247
5√n 28.889649911785

Divisors of 20123865

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 -20123864
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 20123865 can be divided by 8 positive divisors. The sum of these divisors (counting 20123865) is 1, the average is 0.125.

Base conversion 20123865

Base System Value
2 Binary 1001100110001000011011001
3 Ternary 1101212101202100
4 Quaternary 1030301003121
5 Quinary 20122430430
6 Senary 1555154013
8 Octal 114610331
10 Decimal 20123865
12 Duodecimal 68a5909
16 Hexadecimal 13310d9
20 Vigesimal 65f9d5
36 Base36 bzbo9

Cryptographic Hash Functions

md5 c84ae93e3fbf7c96101974ed63a52db5
sha1 8285dc9c4ed922684f7f2a4413b893a061450165
sha256 3a78baa15328df7e977a4e0c60971296189c29f5898ed5f0d117f38e9dab440b
sha512 c928ea219c9c1fcb16a2c0040544902ea8633368d9220f079c622a5930d65fa93d9b059a6caee4056a545a9ec6cbf26cc9dc13177c5ca3855d9e3029639d2043
ripemd-160 32f9a2dd34ea7af27289990263ca29f6d0c2cb1c

20123865 as geometric shapes

Circle

Radius = n
Diameter 40247730
Circumference 126441972.89167
Area 1.2722505964028E+15

Sphere

Radius = n
Volume 3.4136798997572E+22
Surface area 5.0890023856111E+15
Circumference 126441972.89167

Square

Length = n
Perimeter 80495460
Area 404969942538225
Diagonal 28459442.810365

Cube

Length = n
Surface area 2429819655229350
Volume 8.149560452697E+21
Space diagonal 34855556.624657

Equilateral Triangle

Length = n
Perimeter 60371595
Area 1.7535712900361E+14
Altitude 17427778.312329

Triangular Pyramid

Length = n
Surface area 1.7535712900361E+14
Volume 9.6043490996529E+20
Height 9486480.9367884