28678839 (number)

28678839 is an odd 8-digits composite number following 28678838 and preceding 28678840. In scientific notation, it is written as 2.8678839 × 10^7. The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors. There are 16387896 positive integers (up to 28678839) that are relatively prime to 28678839.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8678839 × 10^7
Engineering notation 2.8678839 × 10^6

Prime Factorization of 28678839

Prime Factorization 3 × 7 × 1365659

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28678839
Product of the distinct prime numbers

The prime factorization of 28678839 is 3 × 7 × 1365659. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 3, 1, 37, 983, 219, 6067, 9732, 80716, 57734, 583604, 617023, 252130, 382687, 15573686, 69147033, 320729023, 627454516, 211708444, 4606245865

Basic calculations (n = 28678839)

Multiplication

n×y
n×2 57357678
n×3 86036517
n×4 114715356
n×5 143394195

Division

n÷y
n÷2 14339419.5
n÷3 9559613
n÷3 7169709.75
n÷5 5735767.8

Exponentiation

ny
n2 822475806387921
n3 2.3587651232794E+22
n4 6.7646645209346E+29
n5 1.940027246849E+37

Nth Root

y√n
2√n 5355.2627386525
3√n 306.09332238407
4√n 73.179660689651
5√n 31.010753094083

Divisors of 28678839

1, 3, 7, 21, 1365659, 4096977, 9559613, 28678839

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28678838
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28678839 can be divided by 8 positive divisors. The sum of these divisors (counting 28678839) is 1, the average is 0.125.

Base conversion 28678839

Base System Value
2 Binary 1101101011001101010110111
3 Ternary 1222222000222020
4 Quaternary 1231121222313
5 Quinary 24320210324
6 Senary 2502404223
8 Octal 155315267
10 Decimal 28678839
12 Duodecimal 9730673
16 Hexadecimal 1b59ab7
20 Vigesimal 8j4h1j
36 Base36 h2oqf

Cryptographic Hash Functions

md5 3de75e8713ce82463636959e75391d7e
sha1 48757fcf38ad845613c1aee17d71ecf3ebd530cd
sha256 2b188a58ba7c00e34c45301ab85d9cfc8d3f79968cec9ac48bb1b6b3f413f1f4
sha512 20c440619bb787cff997ec035f25374b3069314f5c267b522a204f84b45c0d7cb67bc524750fb35642b59967fef218f0801318d22bc1f2152db7df9e8bc2062b
ripemd-160 8e6871039e8ced9343e8b6aeba3b12654e3e4ab5

28678839 as geometric shapes

Circle

Radius = n
Diameter 57357678
Circumference 180194459.83177
Area 2.5838839511036E+15

Sphere

Radius = n
Volume 9.8803722437847E+22
Surface area 1.0335535804415E+16
Circumference 180194459.83177

Square

Length = n
Perimeter 114715356
Area 822475806387921
Diagonal 40558003.066914

Cube

Length = n
Surface area 4934854838327526
Volume 2.3587651232794E+22
Space diagonal 49673206.250088

Equilateral Triangle

Length = n
Perimeter 86036517
Area 3.5614247116502E+14
Altitude 24836603.125044

Triangular Pyramid

Length = n
Surface area 3.5614247116502E+14
Volume 2.7798313564954E+21
Height 13519334.355638