20028745 (number)

20028745 is an odd 8-digits composite number following 20028744 and preceding 20028746. In scientific notation, it is written as 2.0028745 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors. There are 13675200 positive integers (up to 20028745) that are relatively prime to 20028745.

Interesting facts

Basic properties

Name

Name twenty million twenty-eight thousand seven hundred forty-five

Notation

Scientific notation 2.0028745 × 10^7
Engineering notation 2.0028745 × 10^6

Prime Factorization of 20028745

Prime Factorization 5 × 781 × 23 × 223

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20028745
Product of the distinct prime numbers

The prime factorization of 20028745 is 5 × 781 × 23 × 223. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 10, 82, 55, 522, 972, 3963, 3636, 73020, 64692, 86094, 960825, 9364379, 1446992, 10363761, 70364801, 558679249, 729599325, 8265335697, 5204237356

Basic calculations (n = 20028745)

Multiplication

n×y
n×2 40057490
n×3 60086235
n×4 80114980
n×5 100143725

Division

n÷y
n÷2 10014372.5
n÷3 6676248.3333333
n÷3 5007186.25
n÷5 4005749

Exponentiation

ny
n2 401150626275025
n3 8.0345436002528E+21
n4 1.6092182496084E+29
n5 3.2230621970754E+36

Nth Root

y√n
2√n 4475.3485897749
3√n 271.57174263163
4√n 66.898046232868
5√n 28.862287435744

Divisors of 20028745

1, 5, 23, 115, 223, 781, 1115, 3905, 5129, 17963, 25645, 89815, 174163, 870815, 4005749, 20028745

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20028744
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20028745 can be divided by 16 positive divisors. The sum of these divisors (counting 20028745) is 1, the average is 0.0625.

Base conversion 20028745

Base System Value
2 Binary 1001100011001110101001001
3 Ternary 1101200120021101
4 Quaternary 1030121311021
5 Quinary 20111404440
6 Senary 1553141401
8 Octal 114316511
10 Decimal 20028745
12 Duodecimal 685a861
16 Hexadecimal 1319d49
20 Vigesimal 653bh5
36 Base36 bxaa1

Cryptographic Hash Functions

md5 464a2da969eec33a899bc1fb7a6483f8
sha1 0601e053aac149ab5364ae4fa7d20b948ef78b35
sha256 4ad987cfd46ce83035052ade23d9a4ba305700ec8cef51e11cfbfbdc1040ea1f
sha512 4352d8ef6b9e24e407a235d4430af61eea19bf097e3b5bcb4b4ab107e447ea38c251f4145e28dcd3ed0468a422ff0832fd1523c386bf70697a6d68d094dba5a9
ripemd-160 87e6037d443a4e6bff6cd6ed85d3a9d65a5e447e

20028745 as geometric shapes

Circle

Radius = n
Diameter 40057490
Circumference 125844316.30525
Area 1.2602518604886E+15

Sphere

Radius = n
Volume 3.3655017532668E+22
Surface area 5.0410074419543E+15
Circumference 125844316.30525

Square

Length = n
Perimeter 80114980
Area 401150626275025
Diagonal 28324922.816312

Cube

Length = n
Surface area 2406903757650150
Volume 8.0345436002528E+21
Space diagonal 34690803.951841

Equilateral Triangle

Length = n
Perimeter 60086235
Area 1.737033165491E+14
Altitude 17345401.975921

Triangular Pyramid

Length = n
Surface area 1.737033165491E+14
Volume 9.4688004391295E+20
Height 9441640.9387708