28688315 (number)

28688315 is an odd 8-digits composite number following 28688314 and preceding 28688316. In scientific notation, it is written as 2.8688315 × 10^7. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 22390720 positive integers (up to 28688315) that are relatively prime to 28688315.

Interesting facts

Basic properties

Name

Name twenty-eight million six hundred eighty-eight thousand three hundred fifteen

Notation

Scientific notation 2.8688315 × 10^7
Engineering notation 2.8688315 × 10^6

Prime Factorization of 28688315

Prime Factorization 205 × 139943

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28688315
Product of the distinct prime numbers

The prime factorization of 28688315 is 205 × 139943. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 5, 47, 17, 627, 488, 6143, 7809, 49206, 60776, 925642, 996554, 8259267, 4901976, 85484168, 57312789, 26798441, 61795169, 876369400, 4032035819

Basic calculations (n = 28688315)

Multiplication

n×y
n×2 57376630
n×3 86064945
n×4 114753260
n×5 143441575

Division

n÷y
n÷2 14344157.5
n÷3 9562771.6666667
n÷3 7172078.75
n÷5 5737663

Exponentiation

ny
n2 823019417539225
n3 2.3611040301482E+22
n4 6.7736096164661E+29
n5 1.9432344636421E+37

Nth Root

y√n
2√n 5356.1474027513
3√n 306.12703156965
4√n 73.185704907115
5√n 31.01280212449

Divisors of 28688315

1, 205, 139943, 28688315

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 -28688314
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 28688315 can be divided by 4 positive divisors. The sum of these divisors (counting 28688315) is 1, the average is 0.25.

Base conversion 28688315

Base System Value
2 Binary 1101101011011111110111011
3 Ternary 1222222111222012
4 Quaternary 1231123332323
5 Quinary 24321011230
6 Senary 2502520135
8 Octal 155337673
10 Decimal 28688315
12 Duodecimal 973604b
16 Hexadecimal 1b5bfbb
20 Vigesimal 8j60ff
36 Base36 h2w1n

Cryptographic Hash Functions

md5 6666c3659d168d6dbaf8a88f15c1d98f
sha1 9a6dafd8d64ec0251ee3c0053a3fabaf547dd09d
sha256 132f5a16142c021f25f62a2ea35a22261c89e4ebae1047e778b97d41a600c93b
sha512 a7d31095f77c614d8496264d368f97bb8baf48e152aeda12b4618ecf72c1393866e393c2242cae379f87572886447c2168b3d9e51b1d7e50240edbda0da1b732
ripemd-160 995426963cd39fd2565ffbced41872d8f2a5e5f7

28688315 as geometric shapes

Circle

Radius = n
Diameter 57376630
Circumference 180253999.29574
Area 2.585591755903E+15

Sphere

Radius = n
Volume 9.8901694339664E+22
Surface area 1.0342367023612E+16
Circumference 180253999.29574

Square

Length = n
Perimeter 114753260
Area 823019417539225
Diagonal 40571404.154632

Cube

Length = n
Surface area 4938116505235350
Volume 2.3611040301482E+22
Space diagonal 49689619.16354

Equilateral Triangle

Length = n
Perimeter 86064945
Area 3.5637786169842E+14
Altitude 24844809.58177

Triangular Pyramid

Length = n
Surface area 3.5637786169842E+14
Volume 2.7825877846744E+21
Height 13523801.384877