28398975 (number)

28398975 is an odd 8-digits composite number following 28398974 and preceding 28398976. In scientific notation, it is written as 2.8398975 × 10^7. The sum of its digits is 51. It has a total of 5 prime factors and 32 positive divisors. There are 13283200 positive integers (up to 28398975) that are relatively prime to 28398975.

Interesting facts

Basic properties

Name

Name twenty-eight million three hundred ninety-eight thousand nine hundred seventy-five

Notation

Scientific notation 2.8398975 × 10^7
Engineering notation 2.8398975 × 10^6

Prime Factorization of 28398975

Prime Factorization 3 × 25 × 29 × 11 × 1187

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 28398975
Product of the distinct prime numbers

The prime factorization of 28398975 is 3 × 25 × 29 × 11 × 1187. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 3, 88, 39, 288, 675, 9400, 2546, 50089, 24314, 215689, 864459, 531612, 5261683, 96778325, 11246895, 691672576, 100637885, 8611189308, 4043978119

Basic calculations (n = 28398975)

Multiplication

n×y
n×2 56797950
n×3 85196925
n×4 113595900
n×5 141994875

Division

n÷y
n÷2 14199487.5
n÷3 9466325
n÷3 7099743.75
n÷5 5679795

Exponentiation

ny
n2 806501781050625
n3 2.2903823917512E+22
n4 6.5044512283783E+29
n5 1.8471974782343E+37

Nth Root

y√n
2√n 5329.0688680106
3√n 305.09438984867
4√n 73.000471697179
5√n 30.949991428571

Divisors of 28398975

1, 3, 11, 25, 29, 33, 75, 87, 275, 319, 725, 825, 957, 1187, 2175, 3561, 7975, 13057, 23925, 29675, 34423, 39171, 89025, 103269, 326425, 378653, 860575, 979275, 1135959, 2581725, 9466325, 28398975

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28398974
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28398975 can be divided by 32 positive divisors. The sum of these divisors (counting 28398975) is 1, the average is 0.03125.

Base conversion 28398975

Base System Value
2 Binary 1101100010101010101111111
3 Ternary 1222102211001220
4 Quaternary 1230111111333
5 Quinary 24232231400
6 Senary 2452404423
8 Octal 154252577
10 Decimal 28398975
12 Duodecimal 9616713
16 Hexadecimal 1b1557f
20 Vigesimal 8h9h8f
36 Base36 gwosf

Cryptographic Hash Functions

md5 2e0efac4f3d01d83d4bb541389facd70
sha1 eb38027a7b8ad406a78f59a195274adb260a41e3
sha256 7567de2b38a822919faaeb524a2318d7676ddec6c29090cd39e86bff2b7a73b2
sha512 6474309a0ed328b8f21ff870217abf457a1a1b7d624eb2d01ecdf772c0b0ec19a7b00753a98caae31a7a15b89a412e59cae931b685d6044cef803777233b1235
ripemd-160 1d5290cef776ed33df30962d51fcfbd50c86d7a8

28398975 as geometric shapes

Circle

Radius = n
Diameter 56797950
Circumference 178436022.45896
Area 2.5337000704557E+15

Sphere

Radius = n
Volume 9.5939313277827E+22
Surface area 1.0134800281823E+16
Circumference 178436022.45896

Square

Length = n
Perimeter 113595900
Area 806501781050625
Diagonal 40162215.602494

Cube

Length = n
Surface area 4839010686303750
Volume 2.2903823917512E+22
Space diagonal 49188467.582878

Equilateral Triangle

Length = n
Perimeter 85196925
Area 3.4922551529362E+14
Altitude 24594233.791439

Triangular Pyramid

Length = n
Surface area 3.4922551529362E+14
Volume 2.6992415345292E+21
Height 13387405.200831