28072015 (number)

28072015 is an odd 8-digits composite number following 28072014 and preceding 28072016. In scientific notation, it is written as 2.8072015 × 10^7. The sum of its digits is 25. It has a total of 4 prime factors and 12 positive divisors. There are 21135488 positive integers (up to 28072015) that are relatively prime to 28072015.

Interesting facts

Basic properties

Name

Name twenty-eight million seventy-two thousand fifteen

Notation

Scientific notation 2.8072015 × 10^7
Engineering notation 2.8072015 × 10^6

Prime Factorization of 28072015

Prime Factorization 5 × 17 × 17 × 19427

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1651295
Product of the distinct prime numbers

The prime factorization of 28072015 is 5 × 17 × 17 × 19427. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28072015)

Multiplication

n×y
n×2 56144030
n×3 84216045
n×4 112288060
n×5 140360075

Division

n÷y
n÷2 14036007.5
n÷3 9357338.3333333
n÷3 7018003.75
n÷5 5614403

Exponentiation

ny
n2 788038026160225
n3 2.212181529094E+22
n4 6.210039306745E+29
n5 1.7432831656954E+37

Nth Root

y√n
2√n 5298.3030302164
3√n 303.91900759616
4√n 72.789443123412
5√n 30.878394928975

Divisors of 28072015

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28072014
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28072015 can be divided by 12 positive divisors. The sum of these divisors (counting 28072015) is 1, the average is 0.083333333333333.

Base conversion 28072015

Base System Value
2 Binary 1101011000101100001001111
3 Ternary 1221211012120021
4 Quaternary 1223011201033
5 Quinary 24141301030
6 Senary 2441403011
8 Octal 153054117
10 Decimal 28072015
12 Duodecimal 9499467
16 Hexadecimal 1ac584f
20 Vigesimal 8f900f
36 Base36 gpoi7

Cryptographic Hash Functions

md5 287c49fa75598958ca086b013f69c555
sha1 9ea146d63bba640327e86894ec38b178fab6cf5d
sha256 ac95e7e481cbbacaded32f11a9ce62aebbc3928524e5a31aa1a993f8dc3066ba
sha512 faf236b7b037ea60acbef9b2e0550dfd47f2e8d6ef3d7d365bb326ab752d80b3096bc365039299df178171bcbe768067aa1d5376c2045ca296b8ef50e7d3bb76
ripemd-160 b03645def2e656527bfec0c3eb0e9104db5821fc

28072015 as geometric shapes

Circle

Radius = n
Diameter 56144030
Circumference 176381672.19092
Area 2.4756944737344E+15

Sphere

Radius = n
Volume 9.2663643202784E+22
Surface area 9.9027778949375E+15
Circumference 176381672.19092

Square

Length = n
Perimeter 112288060
Area 788038026160225
Diagonal 39699824.336141

Cube

Length = n
Surface area 4728228156961350
Volume 2.212181529094E+22
Space diagonal 48622156.250836

Equilateral Triangle

Length = n
Perimeter 84216045
Area 3.4123047490145E+14
Altitude 24311078.125418

Triangular Pyramid

Length = n
Surface area 3.4123047490145E+14
Volume 2.6070809340633E+21
Height 13233274.778714