28397072 (number)

28397072 is an even 8-digits composite number following 28397071 and preceding 28397073. In scientific notation, it is written as 2.8397072 × 10^7. The sum of its digits is 38. It has a total of 6 prime factors and 20 positive divisors. There are 12147200 positive integers (up to 28397072) that are relatively prime to 28397072.

Interesting facts

Basic properties

Name

Name twenty-eight million three hundred ninety-seven thousand seventy-two

Notation

Scientific notation 2.8397072 × 10^7
Engineering notation 2.8397072 × 10^6

Prime Factorization of 28397072

Prime Factorization 2 × 2 × 2 × 2 × 187 × 9491

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 3549634
Product of the distinct prime numbers

The prime factorization of 28397072 is 2 × 2 × 2 × 2 × 187 × 9491. Since it has a total of 6 prime factors.

Most popular turbo-numbers

9, 2, 71, 1, 228, 497, 1539, 1287, 12087, 96194, 698047, 796673, 9594642, 4988282, 80155399, 38198955, 535290941, 105839798, 1034189072, 8532452186

Basic calculations (n = 28397072)

Multiplication

n×y
n×2 56794144
n×3 85191216
n×4 113588288
n×5 141985360

Division

n÷y
n÷2 14198536
n÷3 9465690.6666667
n÷3 7099268
n÷5 5679414.4

Exponentiation

ny
n2 806393698173184
n3 2.289921990737E+22
n4 6.5027079645342E+29
n5 1.8465786626385E+37

Nth Root

y√n
2√n 5328.8903160039
3√n 305.0875749596
4√n 72.999248735887
5√n 30.949576629005

Divisors of 28397072

1, 2, 4, 8, 16, 187, 374, 748, 1496, 2992, 9491, 18982, 37964, 75928, 151856, 1774817, 3549634, 7099268, 14198536, 28397072

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28397071
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28397072 can be divided by 20 positive divisors. The sum of these divisors (counting 28397072) is 1, the average is 0.05.

Base conversion 28397072

Base System Value
2 Binary 1101100010100111000010000
3 Ternary 1222102201110102
4 Quaternary 1230110320100
5 Quinary 24232201242
6 Senary 2452351532
8 Octal 154247020
10 Decimal 28397072
12 Duodecimal 96155a8
16 Hexadecimal 1b14e10
20 Vigesimal 8h9cdc
36 Base36 gwnbk

Cryptographic Hash Functions

md5 cd1627771bf54fbab7dfaa1a6bebd9d8
sha1 0dedecb69fb2d184c1d5019c1994ceb9e1e8bc14
sha256 3885a81ee7d8163315b6377d102d8bbb4b6d3fe38cd7c441f2585d0ca8a4922c
sha512 c4b72fa67d06755f99b0f4a86c2225283a9578323dfcc3e40eb2cde233e74df770d3654687c10fbafa86cf6f72fb997683099a8e2208d5d79f29078cec850054
ripemd-160 4314ba6681328e00cea6d054bc4bd1a58fb9419b

28397072 as geometric shapes

Circle

Radius = n
Diameter 56794144
Circumference 178424065.55732
Area 2.533360518082E+15

Sphere

Radius = n
Volume 9.5920028045242E+22
Surface area 1.0133442072328E+16
Circumference 178424065.55732

Square

Length = n
Perimeter 113588288
Area 806393698173184
Diagonal 40159524.354085

Cube

Length = n
Surface area 4838362189039104
Volume 2.289921990737E+22
Space diagonal 49185171.490192

Equilateral Triangle

Length = n
Perimeter 85191216
Area 3.4917871403483E+14
Altitude 24592585.745096

Triangular Pyramid

Length = n
Surface area 3.4917871403483E+14
Volume 2.6986989467306E+21
Height 13386508.118028