20123805 (number)

20123805 is an odd 8-digits composite number following 20123804 and preceding 20123806. In scientific notation, it is written as 2.0123805 × 10^7. The sum of its digits is 21. It has a total of 5 prime factors and 32 positive divisors. There are 9584640 positive integers (up to 20123805) that are relatively prime to 20123805.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0123805 × 10^7
Engineering notation 2.0123805 × 10^6

Prime Factorization of 20123805

Prime Factorization 3 × 5 × 31 × 13 × 3329

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20123805
Product of the distinct prime numbers

The prime factorization of 20123805 is 3 × 5 × 31 × 13 × 3329. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20123805)

Multiplication

n×y
n×2 40247610
n×3 60371415
n×4 80495220
n×5 100619025

Division

n÷y
n÷2 10061902.5
n÷3 6707935
n÷3 5030951.25
n÷5 4024761

Exponentiation

ny
n2 404967527678025
n3 8.1494875583247E+21
n4 1.6399869847365E+29
n5 3.3002778283376E+36

Nth Root

y√n
2√n 4485.9564197616
3√n 272.00070735831
4√n 66.977282863383
5√n 28.889632684667

Divisors of 20123805

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 -20123804
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 20123805 can be divided by 32 positive divisors. The sum of these divisors (counting 20123805) is 1, the average is 0.03125.

Base conversion 20123805

Base System Value
2 Binary 1001100110001000010011101
3 Ternary 1101212101200010
4 Quaternary 1030301002131
5 Quinary 20122430210
6 Senary 1555153433
8 Octal 114610235
10 Decimal 20123805
12 Duodecimal 68a5879
16 Hexadecimal 133109d
20 Vigesimal 65f9a5
36 Base36 bzbml

Cryptographic Hash Functions

md5 81856c5b2348aaa065bf1104cad2e76f
sha1 ed5fb1a13feeecb8541308d2e4d7e687ff95acdf
sha256 ad52fdd8b251484210e69acd89b4a5d5983b3801560b5c266fbee63733e05c6f
sha512 eccccb3343424ae04faf28955d787788af16bb5b51b1d68702523b88b889703d7437bc6e374a8ff8836f415ab0551f066a4fa22a7572c9889f010fa08eff5286
ripemd-160 62a35d5ee501d6c166a965d5f08a3dc7696e7fa7

20123805 as geometric shapes

Circle

Radius = n
Diameter 40247610
Circumference 126441595.90055
Area 1.2722430098957E+15

Sphere

Radius = n
Volume 3.4136493658339E+22
Surface area 5.0889720395828E+15
Circumference 126441595.90055

Square

Length = n
Perimeter 80495220
Area 404967527678025
Diagonal 28459357.957552

Cube

Length = n
Surface area 2429805166068150
Volume 8.1494875583247E+21
Space diagonal 34855452.701609

Equilateral Triangle

Length = n
Perimeter 60371415
Area 1.7535608333847E+14
Altitude 17427726.350804

Triangular Pyramid

Length = n
Surface area 1.7535608333847E+14
Volume 9.6042631928113E+20
Height 9486452.6525172