20123645 (number)

20123645 is an odd 8-digits composite number following 20123644 and preceding 20123646. In scientific notation, it is written as 2.0123645 × 10^7. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 16098912 positive integers (up to 20123645) that are relatively prime to 20123645.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0123645 × 10^7
Engineering notation 2.0123645 × 10^6

Prime Factorization of 20123645

Prime Factorization 5 × 4024729

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20123645
Product of the distinct prime numbers

The prime factorization of 20123645 is 5 × 4024729. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20123645)

Multiplication

n×y
n×2 40247290
n×3 60370935
n×4 80494580
n×5 100618225

Division

n÷y
n÷2 10061822.5
n÷3 6707881.6666667
n÷3 5030911.25
n÷5 4024729

Exponentiation

ny
n2 404961088086025
n3 8.1492931754569E+21
n4 1.6399348286382E+29
n5 3.300146631465E+36

Nth Root

y√n
2√n 4485.9385862938
3√n 271.99998648356
4√n 66.977149732531
5√n 28.889586745482

Divisors of 20123645

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 -20123644
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 20123645 can be divided by 4 positive divisors. The sum of these divisors (counting 20123645) is 1, the average is 0.25.

Base conversion 20123645

Base System Value
2 Binary 1001100110000111111111101
3 Ternary 1101212101110012
4 Quaternary 1030300333331
5 Quinary 20122424040
6 Senary 1555153005
8 Octal 114607775
10 Decimal 20123645
12 Duodecimal 68a5765
16 Hexadecimal 1330ffd
20 Vigesimal 65f925
36 Base36 bzbi5

Cryptographic Hash Functions

md5 53315d8f69ebcc403c7e8bda68dc70f4
sha1 b1c5b2eaf250850be84262c2ef312509b6624709
sha256 28fd1ca4c6871295a25d676aa896a2da3e1837a03bb58baca65a9b008a388b26
sha512 393c9a849708be58c748610a712c8aa325db20466768f40b6c23bcdd8c3a7be336a4b17285d64b91fbaac25c3fee1f6aa7a9d43fb4345b5ca16cdd575516ea2a
ripemd-160 3a660b12162d1820e050f72ec3a79abb74483c1a

20123645 as geometric shapes

Circle

Radius = n
Diameter 40247290
Circumference 126440590.5909
Area 1.2722227793208E+15

Sphere

Radius = n
Volume 3.4135679429286E+22
Surface area 5.0888911172831E+15
Circumference 126440590.5909

Square

Length = n
Perimeter 80494580
Area 404961088086025
Diagonal 28459131.683382

Cube

Length = n
Surface area 2429766528516150
Volume 8.1492931754569E+21
Space diagonal 34855175.573479

Equilateral Triangle

Length = n
Perimeter 60370935
Area 1.7535329491334E+14
Altitude 17427587.78674

Triangular Pyramid

Length = n
Surface area 1.7535329491334E+14
Volume 9.6040341104047E+20
Height 9486377.2277938