28720295 (number)

28720295 is an odd 8-digits composite number following 28720294 and preceding 28720296. In scientific notation, it is written as 2.8720295 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors. There are 21638400 positive integers (up to 28720295) that are relatively prime to 28720295.

Interesting facts

Basic properties

Name

Name twenty-eight million seven hundred twenty thousand two hundred ninety-five

Notation

Scientific notation 2.8720295 × 10^7
Engineering notation 2.8720295 × 10^6

Prime Factorization of 28720295

Prime Factorization 5 × 29 × 41 × 4831

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28720295
Product of the distinct prime numbers

The prime factorization of 28720295 is 5 × 29 × 41 × 4831. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28720295)

Multiplication

n×y
n×2 57440590
n×3 86160885
n×4 114881180
n×5 143601475

Division

n÷y
n÷2 14360147.5
n÷3 9573431.6666667
n÷3 7180073.75
n÷5 5744059

Exponentiation

ny
n2 824855344887025
n3 2.3690088837482E+22
n4 6.8038633998869E+29
n5 1.9540896398446E+37

Nth Root

y√n
2√n 5359.1319259746
3√n 306.24073996713
4√n 73.206092137025
5√n 31.019713283076

Divisors of 28720295

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28720294
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28720295 can be divided by 16 positive divisors. The sum of these divisors (counting 28720295) is 1, the average is 0.0625.

Base conversion 28720295

Base System Value
2 Binary 1101101100011110010100111
3 Ternary 2000001010211122
4 Quaternary 1231203302213
5 Quinary 24323022140
6 Senary 2503324155
8 Octal 155436247
10 Decimal 28720295
12 Duodecimal 975065b
16 Hexadecimal 1b63ca7
20 Vigesimal 8ja0ef
36 Base36 h3kpz

Cryptographic Hash Functions

md5 eae4e10bea507a905465b324f4857805
sha1 9c147b2b0528d2f3ea7590d36e28ebdbbea5cea4
sha256 77c24b8e88c6a1af1bb1b38787ce703272d254bd78c215f48c7fd7d82fe27144
sha512 b87bda752fe2cecf30fa850b09ae9ca1c5ac864b2171b86f4fc1accf3820733e726c70130be16e0a9a9774b3ff74120dfcac14066ae354926cc152c82941b62a
ripemd-160 d6a568c53238df223a907ad63ff4deeca8f7f12f

28720295 as geometric shapes

Circle

Radius = n
Diameter 57440590
Circumference 180454935.56186
Area 2.5913594917714E+15

Sphere

Radius = n
Volume 9.9232812072964E+22
Surface area 1.0365437967085E+16
Circumference 180454935.56186

Square

Length = n
Perimeter 114881180
Area 824855344887025
Diagonal 40616630.704356

Cube

Length = n
Surface area 4949132069322150
Volume 2.3690088837482E+22
Space diagonal 49745010.148366

Equilateral Triangle

Length = n
Perimeter 86160885
Area 3.5717284155977E+14
Altitude 24872505.074183

Triangular Pyramid

Length = n
Surface area 3.5717284155977E+14
Volume 2.7919037439826E+21
Height 13538876.901452