28751925 (number)

28751925 is an odd 8-digits composite number following 28751924 and preceding 28751926. In scientific notation, it is written as 2.8751925 × 10^7. The sum of its digits is 39. It has a total of 5 prime factors and 24 positive divisors. There are 15284160 positive integers (up to 28751925) that are relatively prime to 28751925.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8751925 × 10^7
Engineering notation 2.8751925 × 10^6

Prime Factorization of 28751925

Prime Factorization 5 × 3 × 5 × 523 × 733

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5750385
Product of the distinct prime numbers

The prime factorization of 28751925 is 5 × 3 × 5 × 523 × 733. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 10, 33, 87, 704, 200, 1094, 2160, 48328, 19806, 409346, 373649, 2148003, 3870340, 65537258, 79417607, 448652951, 513582080, 3429119007, 1849324224

Basic calculations (n = 28751925)

Multiplication

n×y
n×2 57503850
n×3 86255775
n×4 115007700
n×5 143759625

Division

n÷y
n÷2 14375962.5
n÷3 9583975
n÷3 7187981.25
n÷5 5750385

Exponentiation

ny
n2 826673191205625
n3 2.3768445593055E+22
n4 6.8338856505809E+29
n5 1.9648736768408E+37

Nth Root

y√n
2√n 5362.0821515527
3√n 306.3531209027
4√n 73.226239501648
5√n 31.02654275049

Divisors of 28751925

1, 3, 5, 15, 25, 75, 523, 733, 1569, 2199, 2615, 3665, 7845, 10995, 13075, 18325, 39225, 54975, 383359, 1150077, 1916795, 5750385, 9583975, 28751925

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28751924
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28751925 can be divided by 24 positive divisors. The sum of these divisors (counting 28751925) is 1, the average is 0.041666666666667.

Base conversion 28751925

Base System Value
2 Binary 1101101101011100000110101
3 Ternary 2000002202020010
4 Quaternary 1231223200311
5 Quinary 24330030200
6 Senary 2504130433
8 Octal 155534065
10 Decimal 28751925
12 Duodecimal 9766a19
16 Hexadecimal 1b6b835
20 Vigesimal 8jdjg5
36 Base36 h494l

Cryptographic Hash Functions

md5 7cb4337f06a76a551d115d03af7d258b
sha1 48ae9bb94687670087890e5f04688c17ef4f4b82
sha256 30e02c52fd38b79d404343f19b4811882627a9f544db7890754763f9d8401ea1
sha512 0f3213bae721127b86c83278674d1b53ca8aaa3d69b672571fb844c725f35922c64a2f5ce85570bb7c1d96e626cc229edc29674e4450dd8fe23063c9e20b3924
ripemd-160 03c22c4ef3f9e9268db912322783a79fb238f6a6

28751925 as geometric shapes

Circle

Radius = n
Diameter 57503850
Circumference 180653672.71313
Area 2.5970704244112E+15

Sphere

Radius = n
Volume 9.9561032083186E+22
Surface area 1.0388281697645E+16
Circumference 180653672.71313

Square

Length = n
Perimeter 115007700
Area 826673191205625
Diagonal 40661362.279334

Cube

Length = n
Surface area 4960039147233750
Volume 2.3768445593055E+22
Space diagonal 49799794.91541

Equilateral Triangle

Length = n
Perimeter 86255775
Area 3.5795999210581E+14
Altitude 24899897.457705

Triangular Pyramid

Length = n
Surface area 3.5795999210581E+14
Volume 2.8011381761854E+21
Height 13553787.426445