28428345 (number)

28428345 is an odd 8-digits composite number following 28428344 and preceding 28428346. In scientific notation, it is written as 2.8428345 × 10^7. The sum of its digits is 36. It has a total of 7 prime factors and 72 positive divisors. There are 13126080 positive integers (up to 28428345) that are relatively prime to 28428345.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred twenty-eight thousand three hundred forty-five

Notation

Scientific notation 2.8428345 × 10^7
Engineering notation 2.8428345 × 10^6

Prime Factorization of 28428345

Prime Factorization 5 × 3 × 3 × 11 × 11 × 23 × 227

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 861465
Product of the distinct prime numbers

The prime factorization of 28428345 is 5 × 3 × 3 × 11 × 11 × 23 × 227. Since it has a total of 7 prime factors.

Most popular turbo-numbers

10, 7, 59, 40, 881, 80, 2108, 1915, 98800, 12148, 359036, 508375, 9010344, 851282, 48172836, 87132434, 873925278, 900688203, 5419389054, 3080736407

Basic calculations (n = 28428345)

Multiplication

n×y
n×2 56856690
n×3 85285035
n×4 113713380
n×5 142141725

Division

n÷y
n÷2 14214172.5
n÷3 9476115
n÷3 7107086.25
n÷5 5685669

Exponentiation

ny
n2 808170799439025
n3 2.2974958305378E+22
n4 6.5314004106591E+29
n5 1.8567690420736E+37

Nth Root

y√n
2√n 5331.8237967885
3√n 305.19952903065
4√n 73.0193385124
5√n 30.956390430285

Divisors of 28428345

1, 3, 5, 9, 11, 15, 23, 33, 45, 55, 69, 99, 115, 121, 165, 207, 227, 253, 345, 363, 495, 605, 681, 759, 1035, 1089, 1135, 1265, 1815, 2043, 2277, 2497, 2783, 3405, 3795, 5221, 5445, 7491, 8349, 10215, 11385, 12485, 13915, 15663, 22473, 25047, 26105, 27467, 37455, 41745, 46989, 57431, 78315, 82401, 112365, 125235, 137335, 172293, 234945, 247203, 287155, 412005, 516879, 631741, 861465, 1236015, 1895223, 2584395, 3158705, 5685669, 9476115, 28428345

72 divisors

τ Total Divisors 72
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28428344
Sum of the proper positive divisors of n
A Arithmetic Mean 0.013888888888889
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 72
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28428345 can be divided by 72 positive divisors. The sum of these divisors (counting 28428345) is 1, the average is 0.013888888888889.

Base conversion 28428345

Base System Value
2 Binary 1101100011100100000111001
3 Ternary 1222111022100200
4 Quaternary 1230130200321
5 Quinary 24234201340
6 Senary 2453152413
8 Octal 154344071
10 Decimal 28428345
12 Duodecimal 962b709
16 Hexadecimal 1b1c839
20 Vigesimal 8hdah5
36 Base36 gxbg9

Cryptographic Hash Functions

md5 92e6a980d40d71b7acdf3cb9ad09b629
sha1 ebeb1d45534dc9162ca9253a805dd6e03c4731d5
sha256 cd6ea97cc74d01228074cc787872c6e95f49a0c50c07dd3446b4ae5805aa89ec
sha512 51cd315212d7862d87bab82ec7209f76359ba3a330d5b4ee3fa89857fecb58f9549f8220ee20d2cd20019021dbb7a84db1239ec2d15057b57a092d333f300a65
ripemd-160 c13fa89ced3bc224cb8deda72b02836f08a94e37

28428345 as geometric shapes

Circle

Radius = n
Diameter 56856690
Circumference 178620559.61143
Area 2.5389434463634E+15

Sphere

Radius = n
Volume 9.6237280304945E+22
Surface area 1.0155773785454E+16
Circumference 178620559.61143

Square

Length = n
Perimeter 113713380
Area 808170799439025
Diagonal 40203751.054821

Cube

Length = n
Surface area 4849024796634150
Volume 2.2974958305378E+22
Space diagonal 49239337.915097

Equilateral Triangle

Length = n
Perimeter 85285035
Area 3.4994822145549E+14
Altitude 24619668.957548

Triangular Pyramid

Length = n
Surface area 3.4994822145549E+14
Volume 2.7076248025352E+21
Height 13401250.351607