28931825 (number)

28931825 is an odd 8-digits composite number following 28931824 and preceding 28931826. In scientific notation, it is written as 2.8931825 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 21364800 positive integers (up to 28931825) that are relatively prime to 28931825.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred thirty-one thousand eight hundred twenty-five

Notation

Scientific notation 2.8931825 × 10^7
Engineering notation 2.8931825 × 10^6

Prime Factorization of 28931825

Prime Factorization 65 × 5 × 89021

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28931825
Product of the distinct prime numbers

The prime factorization of 28931825 is 65 × 5 × 89021. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 8, 59, 83, 283, 167, 2316, 276, 28117, 48807, 28733, 866788, 8652546, 11404, 85411750, 67164686, 855905642, 391164286, 1374448704, 3716416140

Basic calculations (n = 28931825)

Multiplication

n×y
n×2 57863650
n×3 86795475
n×4 115727300
n×5 144659125

Division

n÷y
n÷2 14465912.5
n÷3 9643941.6666667
n÷3 7232956.25
n÷5 5786365

Exponentiation

ny
n2 837050497830625
n3 2.4217398519399E+22
n4 7.006535359185E+29
n5 2.0271185486825E+37

Nth Root

y√n
2√n 5378.8311927407
3√n 306.99074055971
4√n 73.340515356389
5√n 31.065272383394

Divisors of 28931825

1, 5, 65, 325, 89021, 445105, 5786365, 28931825

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28931824
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28931825 can be divided by 8 positive divisors. The sum of these divisors (counting 28931825) is 1, the average is 0.125.

Base conversion 28931825

Base System Value
2 Binary 1101110010111011011110001
3 Ternary 2000102220000002
4 Quaternary 1232113123301
5 Quinary 24401304300
6 Senary 2512035345
8 Octal 156273361
10 Decimal 28931825
12 Duodecimal 9832b55
16 Hexadecimal 1b976f1
20 Vigesimal 90g9b5
36 Base36 h83xt

Cryptographic Hash Functions

md5 50fc3ea6056b715708b2a24078536d8d
sha1 6ceb2e6221f14ffb518fe95e54608bcc23948aa8
sha256 7559a89f6995f7866854dabe7feb9e617614f8fe9add3936cd8b0b2b7eaf6656
sha512 24f36b625b0ea282ce57948714b058871c69732c510541b41b6d70e403019ff0c76c5666b2c1392c96300694c96dac95c9c9712485d4bd8d4fd6233f6e7312d1
ripemd-160 858b6a357ab841086909ff91bf079c65f6917d18

28931825 as geometric shapes

Circle

Radius = n
Diameter 57863650
Circumference 181784017.74989
Area 2.6296716946684E+15

Sphere

Radius = n
Volume 1.0144160170346E+23
Surface area 1.0518686778673E+16
Circumference 181784017.74989

Square

Length = n
Perimeter 115727300
Area 837050497830625
Diagonal 40915779.299205

Cube

Length = n
Surface area 5022302986983750
Volume 2.4217398519399E+22
Space diagonal 50111390.855691

Equilateral Triangle

Length = n
Perimeter 86795475
Area 3.6245349768587E+14
Altitude 25055695.427846

Triangular Pyramid

Length = n
Surface area 3.6245349768587E+14
Volume 2.8540477859606E+21
Height 13638593.099735