28744561 (number)

28744561 is an odd 8-digits composite number following 28744560 and preceding 28744562. In scientific notation, it is written as 2.8744561 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 28568052 positive integers (up to 28744561) that are relatively prime to 28744561.

Interesting facts

Basic properties

Name

Name twenty-eight million seven hundred forty-four thousand five hundred sixty-one

Notation

Scientific notation 2.8744561 × 10^7
Engineering notation 2.8744561 × 10^6

Prime Factorization of 28744561

Prime Factorization 163 × 176347

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28744561
Product of the distinct prime numbers

The prime factorization of 28744561 is 163 × 176347. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28744561)

Multiplication

n×y
n×2 57489122
n×3 86233683
n×4 114978244
n×5 143722805

Division

n÷y
n÷2 14372280.5
n÷3 9581520.3333333
n÷3 7186140.25
n÷5 5748912.2

Exponentiation

ny
n2 826249787082721
n3 2.3750187406036E+22
n4 6.8268871065424E+29
n5 1.9623587287412E+37

Nth Root

y√n
2√n 5361.3954340265
3√n 306.32696408001
4√n 73.221550338862
5√n 31.024953271721

Divisors of 28744561

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 -28744560
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 28744561 can be divided by 4 positive divisors. The sum of these divisors (counting 28744561) is 1, the average is 0.25.

Base conversion 28744561

Base System Value
2 Binary 1101101101001101101110001
3 Ternary 2000002101010101
4 Quaternary 1231221231301
5 Quinary 24324311221
6 Senary 2504032401
8 Octal 155515561
10 Decimal 28744561
12 Duodecimal 9762701
16 Hexadecimal 1b69b71
20 Vigesimal 8jd181
36 Base36 h43g1

Cryptographic Hash Functions

md5 a12664fad23d3de19539e7150b9d504e
sha1 e65b8e607225fba723df96beeb26f96f4b3198e3
sha256 af367c201bf9e7cc18e5ccd57d401e96826f385b8364e77d3a895169e753ff1c
sha512 4ecb9d472256aca5dcfb227653ae4d8c97500386e204ad9c0879dfedd3dd6e3a4db52f7add1c7bfe0c66434c5c0c2f5d6621af390bfaf40ee6dfbd5604192639
ripemd-160 9e5ebbc8fc9dae6594f570be9690fb59efa4d2de

28744561 as geometric shapes

Circle

Radius = n
Diameter 57489122
Circumference 180607403.33653
Area 2.5957402611292E+15

Sphere

Radius = n
Volume 9.9484552368246E+22
Surface area 1.0382961044517E+16
Circumference 180607403.33653

Square

Length = n
Perimeter 114978244
Area 826249787082721
Diagonal 40650948.010661

Cube

Length = n
Surface area 4957498722496326
Volume 2.3750187406036E+22
Space diagonal 49787040.093263

Equilateral Triangle

Length = n
Perimeter 86233683
Area 3.5777665274256E+14
Altitude 24893520.046631

Triangular Pyramid

Length = n
Surface area 3.5777665274256E+14
Volume 2.7989864282099E+21
Height 13550316.003554