28231390 (number)

28231390 is an even 8-digits composite number following 28231389 and preceding 28231391. In scientific notation, it is written as 2.8231390 × 10^7. The sum of its digits is 28. It has a total of 5 prime factors and 32 positive divisors. There are 9331200 positive integers (up to 28231390) that are relatively prime to 28231390.

Interesting facts

Basic properties

Name

Name twenty-eight million two hundred thirty-one thousand three hundred ninety

Notation

Scientific notation 2.8231390 × 10^7
Engineering notation 2.8231390 × 10^6

Prime Factorization of 28231390

Prime Factorization 2 × 5 × 187 × 31 × 487

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 28231390
Product of the distinct prime numbers

The prime factorization of 28231390 is 2 × 5 × 187 × 31 × 487. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 3, 66, 62, 960, 227, 3706, 992, 10208, 85231, 614465, 203623, 3002644, 4531566, 50665327, 87746128, 684996548, 180530889, 8732364865, 9174533685

Basic calculations (n = 28231390)

Multiplication

n×y
n×2 56462780
n×3 84694170
n×4 112925560
n×5 141156950

Division

n÷y
n÷2 14115695
n÷3 9410463.3333333
n÷3 7057847.5
n÷5 5646278

Exponentiation

ny
n2 797011381332100
n3 2.2500739140825E+22
n4 6.352271419729E+29
n5 1.7933345183622E+37

Nth Root

y√n
2√n 5313.321936416
3√n 304.49307533934
4√n 72.892536904789
5√n 30.913377143372

Divisors of 28231390

1, 2, 5, 10, 31, 62, 155, 187, 310, 374, 487, 935, 974, 1870, 2435, 4870, 5797, 11594, 15097, 28985, 30194, 57970, 75485, 91069, 150970, 182138, 455345, 910690, 2823139, 5646278, 14115695, 28231390

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 -28231389
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 28231390 can be divided by 32 positive divisors. The sum of these divisors (counting 28231390) is 1, the average is 0.03125.

Base conversion 28231390

Base System Value
2 Binary 1101011101100011011011110
3 Ternary 1222010022012001
4 Quaternary 1223230123132
5 Quinary 24211401030
6 Senary 2445032514
8 Octal 153543336
10 Decimal 28231390
12 Duodecimal 955573a
16 Hexadecimal 1aec6de
20 Vigesimal 8g8i9a
36 Base36 gt3ha

Cryptographic Hash Functions

md5 24afc446f4eec84e936e863aef34e219
sha1 5c1f58c43519236db86e8c1e18475508804c1781
sha256 d2e9a6f0c766490faf27e72d4fd259ec0b22a65ac994b3a70053480f3988b50b
sha512 4960ae3205bee65fec346b4ada97a19fe84c316f69f2e5e53a7648549d2356f0934e9bc0cc8dba94e99c45c854a98ef1f05f7fa2c83a581eb1fb6046ff7fb0b0
ripemd-160 1b233096ce8fef27fafc4b17dfe2ded3e6f62f79

28231390 as geometric shapes

Circle

Radius = n
Diameter 56462780
Circumference 177383054.84926
Area 2.5038851004204E+15

Sphere

Radius = n
Volume 9.4250875713542E+22
Surface area 1.0015540401682E+16
Circumference 177383054.84926

Square

Length = n
Perimeter 112925560
Area 797011381332100
Diagonal 39925214.622644

Cube

Length = n
Surface area 4782068287992600
Volume 2.2500739140825E+22
Space diagonal 48898201.848292

Equilateral Triangle

Length = n
Perimeter 84694170
Area 3.4511605166946E+14
Altitude 24449100.924146

Triangular Pyramid

Length = n
Surface area 3.4511605166946E+14
Volume 2.6517375380312E+21
Height 13308404.874215