28755725 (number)

28755725 is an odd 8-digits composite number following 28755724 and preceding 28755726. In scientific notation, it is written as 2.8755725 × 10^7. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 23004560 positive integers (up to 28755725) that are relatively prime to 28755725.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8755725 × 10^7
Engineering notation 2.8755725 × 10^6

Prime Factorization of 28755725

Prime Factorization 25 × 1150229

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28755725
Product of the distinct prime numbers

The prime factorization of 28755725 is 25 × 1150229. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 6, 7, 47, 733, 325, 9666, 2492, 71252, 2281, 495341, 493732, 459175, 9587217, 96256027, 22988206, 338129984, 119453859, 2518885241, 4022907244

Basic calculations (n = 28755725)

Multiplication

n×y
n×2 57511450
n×3 86267175
n×4 115022900
n×5 143778625

Division

n÷y
n÷2 14377862.5
n÷3 9585241.6666667
n÷3 7188931.25
n÷5 5751145

Exponentiation

ny
n2 826891720275625
n3 2.3777870913023E+22
n4 6.8374991706038E+29
n5 1.9661724583761E+37

Nth Root

y√n
2√n 5362.4364798103
3√n 306.3666167014
4√n 73.228658869395
5√n 31.027362832137

Divisors of 28755725

1, 25, 1150229, 28755725

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 -28755724
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 28755725 can be divided by 4 positive divisors. The sum of these divisors (counting 28755725) is 1, the average is 0.25.

Base conversion 28755725

Base System Value
2 Binary 1101101101100011100001101
3 Ternary 2000002221102212
4 Quaternary 1231230130031
5 Quinary 24330140400
6 Senary 2504200205
8 Octal 155543415
10 Decimal 28755725
12 Duodecimal 9769065
16 Hexadecimal 1b6c70d
20 Vigesimal 8je965
36 Base36 h4c25

Cryptographic Hash Functions

md5 b5f0506e102c10f587316d73686b0e47
sha1 581b3ecb59679843a32788e66693df27471f2d35
sha256 6dd1707a09c62182777a44eb607d3923449aea899ab97848398b05cd56956180
sha512 c5746ededa7d98a009a50d2ae8e8990ec3a5860e644d54896e207b2f478450e954ca9f46961a90f80693a30494e08277b6b1dba6d249685aaba679f397850dc1
ripemd-160 c3be4ef94a7101d0264d4a2784cf74aa932ba3e9

28755725 as geometric shapes

Circle

Radius = n
Diameter 57511450
Circumference 180677548.8173
Area 2.5977569537321E+15

Sphere

Radius = n
Volume 9.9600512771145E+22
Surface area 1.0391027814929E+16
Circumference 180677548.8173

Square

Length = n
Perimeter 115022900
Area 826891720275625
Diagonal 40666736.290871

Cube

Length = n
Surface area 4961350321653750
Volume 2.3777870913023E+22
Space diagonal 49806376.708479

Equilateral Triangle

Length = n
Perimeter 86267175
Area 3.5805461796885E+14
Altitude 24903188.354239

Triangular Pyramid

Length = n
Surface area 3.5805461796885E+14
Volume 2.8022489607961E+21
Height 13555578.763624