28678439 (number)

28678439 is an odd 8-digits composite number following 28678438 and preceding 28678440. In scientific notation, it is written as 2.8678439 × 10^7. The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors. There are 26991456 positive integers (up to 28678439) that are relatively prime to 28678439.

Interesting facts

Basic properties

Name

Name twenty-eight million six hundred seventy-eight thousand four hundred thirty-nine

Notation

Scientific notation 2.8678439 × 10^7
Engineering notation 2.8678439 × 10^6

Prime Factorization of 28678439

Prime Factorization 17 × 1686967

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28678439
Product of the distinct prime numbers

The prime factorization of 28678439 is 17 × 1686967. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 5, 23, 55, 692, 111, 6091, 8111, 29268, 35870, 134136, 127190, 8890536, 535675, 21998522, 14589789, 925162677, 248117179, 6364090388, 7093189469

Basic calculations (n = 28678439)

Multiplication

n×y
n×2 57356878
n×3 86035317
n×4 114713756
n×5 143392195

Division

n÷y
n÷2 14339219.5
n÷3 9559479.6666667
n÷3 7169609.75
n÷5 5735687.8

Exponentiation

ny
n2 822452863476721
n3 2.3586664275592E+22
n4 6.7642871264106E+29
n5 1.9398919573325E+37

Nth Root

y√n
2√n 5355.225392082
3√n 306.09189929184
4√n 73.17940551878
5√n 31.010666588695

Divisors of 28678439

1, 17, 1686967, 28678439

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 -28678438
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 28678439 can be divided by 4 positive divisors. The sum of these divisors (counting 28678439) is 1, the average is 0.25.

Base conversion 28678439

Base System Value
2 Binary 1101101011001100100100111
3 Ternary 1222222000102102
4 Quaternary 1231121210213
5 Quinary 24320202224
6 Senary 2502402315
8 Octal 155314447
10 Decimal 28678439
12 Duodecimal 973039b
16 Hexadecimal 1b59927
20 Vigesimal 8j4g1j
36 Base36 h2ofb

Cryptographic Hash Functions

md5 a618f2a585d28a52f22e31ba33b7ae1e
sha1 ab62cf517f9d23537734a42560ccfa54e2a42855
sha256 3e6754e181fb26432ff44db71eee3f9d0fa72c3372490ddf6d9a3f6a60f63bec
sha512 9e72418fccfaf23a48ae28bf644b4d4a5e5b2435c6b70f41f2d8c1493c9eebc23c184bb0186f8febf6689a3844c17fb9c1dda268016ed3f1f31d19f7f9adfb57
ripemd-160 125815ca07a0bd67b6872077615f5c86503e2dc8

28678439 as geometric shapes

Circle

Radius = n
Diameter 57356878
Circumference 180191946.55765
Area 2.5838118738224E+15

Sphere

Radius = n
Volume 9.8799588281187E+22
Surface area 1.0335247495289E+16
Circumference 180191946.55765

Square

Length = n
Perimeter 114713756
Area 822452863476721
Diagonal 40557437.38149

Cube

Length = n
Surface area 4934717180860326
Volume 2.3586664275592E+22
Space diagonal 49672513.429765

Equilateral Triangle

Length = n
Perimeter 86035317
Area 3.5613253659305E+14
Altitude 24836256.714882

Triangular Pyramid

Length = n
Surface area 3.5613253659305E+14
Volume 2.7797150424737E+21
Height 13519145.79383