28307145 (number)

28307145 is an odd 8-digits composite number following 28307144 and preceding 28307146. In scientific notation, it is written as 2.8307145 × 10^7. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 15097136 positive integers (up to 28307145) that are relatively prime to 28307145.

Interesting facts

Basic properties

Name

Name twenty-eight million three hundred seven thousand one hundred forty-five

Notation

Scientific notation 2.8307145 × 10^7
Engineering notation 2.8307145 × 10^6

Prime Factorization of 28307145

Prime Factorization 15 × 1887143

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28307145
Product of the distinct prime numbers

The prime factorization of 28307145 is 15 × 1887143. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28307145)

Multiplication

n×y
n×2 56614290
n×3 84921435
n×4 113228580
n×5 141535725

Division

n÷y
n÷2 14153572.5
n÷3 9435715
n÷3 7076786.25
n÷5 5661429

Exponentiation

ny
n2 801294458051025
n3 2.2682358411747E+22
n4 6.4207280850329E+29
n5 1.817524809086E+37

Nth Root

y√n
2√n 5320.4459399565
3√n 304.76518700156
4√n 72.94138701695
5√n 30.929949712567

Divisors of 28307145

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28307144
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28307145 can be divided by 4 positive divisors. The sum of these divisors (counting 28307145) is 1, the average is 0.25.

Base conversion 28307145

Base System Value
2 Binary 1101011111110111011001001
3 Ternary 1222021011002210
4 Quaternary 1223332323021
5 Quinary 24221312040
6 Senary 2450415333
8 Octal 153767311
10 Decimal 28307145
12 Duodecimal 9591549
16 Hexadecimal 1afeec9
20 Vigesimal 8gi7h5
36 Base36 gupxl

Cryptographic Hash Functions

md5 410bec5c25be6c5db6fe0da6bdbbbaca
sha1 1b431751249fb8d0c13333e4b40be08aad3ea53d
sha256 06c8122b01d654d443320f63b444551b082db5afa4fd1b5741f3eb846a200f30
sha512 556a9ebde2185bb7865e2f7e19976caa85758def897ac9d76af9a6cebe2b12c7214671eea07fdc2fc4951e6f1a7b689a59fbb62160b067ebaaec1ca58f8ee5cb
ripemd-160 30ed92493ba499c8bf541a016266d58f548252fa

28307145 as geometric shapes

Circle

Radius = n
Diameter 56614290
Circumference 177859037.5522
Area 2.5173407827753E+15

Sphere

Radius = n
Volume 9.5011640736579E+22
Surface area 1.0069363131101E+16
Circumference 177859037.5522

Square

Length = n
Perimeter 113228580
Area 801294458051025
Diagonal 40032348.371062

Cube

Length = n
Surface area 4807766748306150
Volume 2.2682358411747E+22
Space diagonal 49029413.357219

Equilateral Triangle

Length = n
Perimeter 84921435
Area 3.4697067829194E+14
Altitude 24514706.67861

Triangular Pyramid

Length = n
Surface area 3.4697067829194E+14
Volume 2.673141574375E+21
Height 13344116.123687