28856720 (number)

28856720 is an even 8-digits composite number following 28856719 and preceding 28856721. In scientific notation, it is written as 2.8856720 × 10^7. The sum of its digits is 38. It has a total of 6 prime factors and 20 positive divisors. There are 11040128 positive integers (up to 28856720) that are relatively prime to 28856720.

Interesting facts

Basic properties

Name

Name twenty-eight million eight hundred fifty-six thousand seven hundred twenty

Notation

Scientific notation 2.8856720 × 10^7
Engineering notation 2.8856720 × 10^6

Prime Factorization of 28856720

Prime Factorization 2 × 2 × 2 × 2 × 115 × 15683

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 3607090
Product of the distinct prime numbers

The prime factorization of 28856720 is 2 × 2 × 2 × 2 × 115 × 15683. Since it has a total of 6 prime factors.

Most popular turbo-numbers

8, 3, 45, 19, 797, 124, 7326, 3989, 97566, 21898, 713472, 785432, 129119, 4899983, 63028568, 92751002, 189998506, 984713923, 6146518891, 5800726143

Basic calculations (n = 28856720)

Multiplication

n×y
n×2 57713440
n×3 86570160
n×4 115426880
n×5 144283600

Division

n÷y
n÷2 14428360
n÷3 9618906.6666667
n÷3 7214180
n÷5 5771344

Exponentiation

ny
n2 832710289158400
n3 2.4029287655363E+22
n4 6.9340642567027E+29
n5 2.0009435071768E+37

Nth Root

y√n
2√n 5371.8451206266
3√n 306.72486818043
4√n 73.292872236164
5√n 31.049126953591

Divisors of 28856720

1, 2, 4, 8, 16, 115, 230, 460, 920, 1840, 15683, 31366, 62732, 125464, 250928, 1803545, 3607090, 7214180, 14428360, 28856720

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 -28856719
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 28856720 can be divided by 20 positive divisors. The sum of these divisors (counting 28856720) is 1, the average is 0.05.

Base conversion 28856720

Base System Value
2 Binary 1101110000101000110010000
3 Ternary 2000022001222102
4 Quaternary 1232011012100
5 Quinary 24341403340
6 Senary 2510255532
8 Octal 156050620
10 Decimal 28856720
12 Duodecimal 97b75a8
16 Hexadecimal 1b85190
20 Vigesimal 9071g0
36 Base36 h6hzk

Cryptographic Hash Functions

md5 588130860db6cdc81d2fee6ed3f7401f
sha1 2f563ac7f23d221c01ac9adcd594343a4d7d246a
sha256 b80d1ab5f3c752b6d19331802f7c9ce00cc4ab6016fc5134ee75eb21c761b793
sha512 ba151a3cdaadc9422cd6072b37e6b2bf9d5f9c51cc87e11d45097618d94a6e43e4f39bf1bda9135230f2db100102fc12bb3d55505db296530773967a39673659
ripemd-160 e2e2c7a37d9667f1e8def481af47139d23323c76

28856720 as geometric shapes

Circle

Radius = n
Diameter 57713440
Circumference 181312119.1174
Area 2.6160365269887E+15

Sphere

Radius = n
Volume 1.0065364475878E+23
Surface area 1.0464146107955E+16
Circumference 181312119.1174

Square

Length = n
Perimeter 115426880
Area 832710289158400
Diagonal 40809564.789603

Cube

Length = n
Surface area 4996261734950400
Volume 2.4029287655363E+22
Space diagonal 49981305.179789

Equilateral Triangle

Length = n
Perimeter 86570160
Area 3.6057413220193E+14
Altitude 24990652.589894

Triangular Pyramid

Length = n
Surface area 3.6057413220193E+14
Volume 2.8318787080316E+21
Height 13603188.263201