20005145 (number)

20005145 is an odd 8-digits composite number following 20005144 and preceding 20005146. In scientific notation, it is written as 2.0005145 × 10^7. The sum of its digits is 17. It has a total of 2 prime factors and 4 positive divisors. There are 16004112 positive integers (up to 20005145) that are relatively prime to 20005145.

Interesting facts

Basic properties

Name

Name twenty million five thousand one hundred forty-five

Notation

Scientific notation 2.0005145 × 10^7
Engineering notation 2.0005145 × 10^6

Prime Factorization of 20005145

Prime Factorization 5 × 4001029

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20005145
Product of the distinct prime numbers

The prime factorization of 20005145 is 5 × 4001029. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20005145)

Multiplication

n×y
n×2 40010290
n×3 60015435
n×4 80020580
n×5 100025725

Division

n÷y
n÷2 10002572.5
n÷3 6668381.6666667
n÷3 5001286.25
n÷5 4001029

Exponentiation

ny
n2 400205826471025
n3 8.0061755883977E+21
n4 1.6016470354136E+29
n5 3.2041181182268E+36

Nth Root

y√n
2√n 4472.7111464972
3√n 271.46503579491
4√n 66.878330918895
5√n 28.855482503612

Divisors of 20005145

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 -20005144
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 20005145 can be divided by 4 positive divisors. The sum of these divisors (counting 20005145) is 1, the average is 0.25.

Base conversion 20005145

Base System Value
2 Binary 1001100010100000100011001
3 Ternary 1101122100220022
4 Quaternary 1030110010121
5 Quinary 20110131040
6 Senary 1552440225
8 Octal 114240431
10 Decimal 20005145
12 Duodecimal 6849075
16 Hexadecimal 1314119
20 Vigesimal 650ch5
36 Base36 bws2h

Cryptographic Hash Functions

md5 a43abbe1743af5e4567229febbaffb60
sha1 2d69c7729c6272176f04b7a431c329c59ce508a8
sha256 a856b57f26a42a50d5c8b5ae65593eae6a02448690076a0f8a3d8f741e50be2f
sha512 1d8f1945bc74099e65e35c66c267c79468b89a474981e8595d2f2f01783d234743edcfe4839b6bdfdbc1a7b1aa71b83b2ac4c541b5283b23b60b7f557803f6cb
ripemd-160 3ded6c231095bea03a7d2355cbfabfdb2ed6aa50

20005145 as geometric shapes

Circle

Radius = n
Diameter 40010290
Circumference 125696033.132
Area 1.2572836843652E+15

Sphere

Radius = n
Volume 3.353618988248E+22
Surface area 5.0291347374608E+15
Circumference 125696033.132

Square

Length = n
Perimeter 80020580
Area 400205826471025
Diagonal 28291547.37624

Cube

Length = n
Surface area 2401234958826150
Volume 8.0061755883977E+21
Space diagonal 34649927.552782

Equilateral Triangle

Length = n
Perimeter 60015435
Area 1.7329420623323E+14
Altitude 17324963.776391

Triangular Pyramid

Length = n
Surface area 1.7329420623323E+14
Volume 9.4353684165437E+20
Height 9430515.7920801