20129545 (number)

20129545 is an odd 8-digits composite number following 20129544 and preceding 20129546. In scientific notation, it is written as 2.0129545 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 16103632 positive integers (up to 20129545) that are relatively prime to 20129545.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-nine thousand five hundred forty-five

Notation

Scientific notation 2.0129545 × 10^7
Engineering notation 2.0129545 × 10^6

Prime Factorization of 20129545

Prime Factorization 5 × 4025909

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20129545
Product of the distinct prime numbers

The prime factorization of 20129545 is 5 × 4025909. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20129545)

Multiplication

n×y
n×2 40259090
n×3 60388635
n×4 80518180
n×5 100647725

Division

n÷y
n÷2 10064772.5
n÷3 6709848.3333333
n÷3 5032386.25
n÷5 4025909

Exponentiation

ny
n2 405198581907025
n3 8.1564630884336E+21
n4 1.6418589077946E+29
n5 3.3049872768103E+36

Nth Root

y√n
2√n 4486.5961485295
3√n 272.02656621287
4√n 66.982058407678
5√n 28.891280559659

Divisors of 20129545

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 -20129544
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 20129545 can be divided by 4 positive divisors. The sum of these divisors (counting 20129545) is 1, the average is 0.25.

Base conversion 20129545

Base System Value
2 Binary 1001100110010011100001001
3 Ternary 1101212200112201
4 Quaternary 1030302130021
5 Quinary 20123121140
6 Senary 1555240201
8 Octal 114623411
10 Decimal 20129545
12 Duodecimal 68a9061
16 Hexadecimal 1332709
20 Vigesimal 65g3h5
36 Base36 bzg21

Cryptographic Hash Functions

md5 ae27427121b37a1167b2d189d7f1c060
sha1 f5489872ac70c12ff66c8a305e7fd8d120720cb1
sha256 ab8085947d5f14dfd20a82062c7b56686724cdce903357fdf4e547f2d842a4b5
sha512 70dd9c1daf206429687383e42f1b6d10c559cf311b73df66db41339f37591bc0ae5751c6ed88f1ceab5417c25db1e363ca6a3fbe84a9d2d24093bf4067fe31b9
ripemd-160 e0768f79a20d14b6bd918bcd2e4e9a68e8a65a13

20129545 as geometric shapes

Circle

Radius = n
Diameter 40259090
Circumference 126477661.38421
Area 1.2729688881641E+15

Sphere

Radius = n
Volume 3.4165712690533E+22
Surface area 5.0918755526564E+15
Circumference 126477661.38421

Square

Length = n
Perimeter 80518180
Area 405198581907025
Diagonal 28467475.5434

Cube

Length = n
Surface area 2431191491442150
Volume 8.1564630884336E+21
Space diagonal 34865394.673244

Equilateral Triangle

Length = n
Perimeter 60388635
Area 1.7545613275446E+14
Altitude 17432697.336622

Triangular Pyramid

Length = n
Surface area 1.7545613275446E+14
Volume 9.612483933882E+20
Height 9489158.5144665