28391325 (number)

28391325 is an odd 8-digits composite number following 28391324 and preceding 28391326. In scientific notation, it is written as 2.8391325 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 12 positive divisors. There are 15142000 positive integers (up to 28391325) that are relatively prime to 28391325.

Interesting facts

Basic properties

Name

Name twenty-eight million three hundred ninety-one thousand three hundred twenty-five

Notation

Scientific notation 2.8391325 × 10^7
Engineering notation 2.8391325 × 10^6

Prime Factorization of 28391325

Prime Factorization 5 × 5 × 3 × 378551

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 5678265
Product of the distinct prime numbers

The prime factorization of 28391325 is 5 × 5 × 3 × 378551. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 5, 30, 86, 129, 444, 3689, 4606, 1009, 22348, 199330, 449081, 4960648, 4522777, 91306521, 62194280, 440716567, 971032067, 8795480673, 8745906816

Basic calculations (n = 28391325)

Multiplication

n×y
n×2 56782650
n×3 85173975
n×4 113565300
n×5 141956625

Division

n÷y
n÷2 14195662.5
n÷3 9463775
n÷3 7097831.25
n÷5 5678265

Exponentiation

ny
n2 806067335255625
n3 2.2885319687126E+22
n4 6.497445489661E+29
n5 1.8447108656675E+37

Nth Root

y√n
2√n 5328.3510582543
3√n 305.0669923612
4√n 72.995555058197
5√n 30.948323812396

Divisors of 28391325

1, 3, 5, 15, 25, 75, 378551, 1135653, 1892755, 5678265, 9463775, 28391325

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28391324
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28391325 can be divided by 12 positive divisors. The sum of these divisors (counting 28391325) is 1, the average is 0.083333333333333.

Base conversion 28391325

Base System Value
2 Binary 1101100010011011110011101
3 Ternary 1222102102120120
4 Quaternary 1230103132131
5 Quinary 24232010300
6 Senary 2452305153
8 Octal 154233635
10 Decimal 28391325
12 Duodecimal 96121b9
16 Hexadecimal 1b1379d
20 Vigesimal 8h8i65
36 Base36 gwivx

Cryptographic Hash Functions

md5 66742dd12beb8b3c4ad238ad9ac61c4e
sha1 6284a27cd8b011241a39c96f120374a84399e33a
sha256 127c8ecd42dddbfbd2492d6287544984d20ed25e650fb2665672f1d143f9810a
sha512 540acbf808edc03d258c49af3ffd9a41652c65ebfe5a0c3e4796c8710de904cbd73e98499c28c9ca8b31d944c1f822de7261b0775a60be2fc11c5f2f2fba93b1
ripemd-160 f9f81fb83cbcd878b543491a8750cecfad6e2f58

28391325 as geometric shapes

Circle

Radius = n
Diameter 56782650
Circumference 178387956.09136
Area 2.5323352187378E+15

Sphere

Radius = n
Volume 9.586180293884E+22
Surface area 1.0129340874951E+16
Circumference 178387956.09136

Square

Length = n
Perimeter 113565300
Area 806067335255625
Diagonal 40151396.868742

Cube

Length = n
Surface area 4836404011533750
Volume 2.2885319687126E+22
Space diagonal 49175217.3942

Equilateral Triangle

Length = n
Perimeter 85173975
Area 3.490373947461E+14
Altitude 24587608.6971

Triangular Pyramid

Length = n
Surface area 3.490373947461E+14
Volume 2.6970607900648E+21
Height 13383798.956247