28678311 (number)

28678311 is an odd 8-digits composite number following 28678310 and preceding 28678312. In scientific notation, it is written as 2.8678311 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors. There are 18652320 positive integers (up to 28678311) that are relatively prime to 28678311.

Interesting facts

Basic properties

Name

Name twenty-eight million six hundred seventy-eight thousand three hundred eleven

Notation

Scientific notation 2.8678311 × 10^7
Engineering notation 2.8678311 × 10^6

Prime Factorization of 28678311

Prime Factorization 3 × 3 × 41 × 77719

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 9559437
Product of the distinct prime numbers

The prime factorization of 28678311 is 3 × 3 × 41 × 77719. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 6, 67, 44, 532, 486, 1589, 6732, 24311, 85610, 416503, 995210, 8376563, 5623676, 64043637, 36351509, 499797863, 895245953, 1570479187, 9444242946

Basic calculations (n = 28678311)

Multiplication

n×y
n×2 57356622
n×3 86034933
n×4 114713244
n×5 143391555

Division

n÷y
n÷2 14339155.5
n÷3 9559437
n÷3 7169577.75
n÷5 5735662.2

Exponentiation

ny
n2 822445521812721
n3 2.3586348455102E+22
n4 6.764166363498E+29
n5 1.9398486662813E+37

Nth Root

y√n
2√n 5355.2134411245
3√n 306.09144389954
4√n 73.179323863537
5√n 31.010638906768

Divisors of 28678311

1, 3, 9, 41, 123, 369, 77719, 233157, 699471, 3186479, 9559437, 28678311

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 -28678310
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 28678311 can be divided by 12 positive divisors. The sum of these divisors (counting 28678311) is 1, the average is 0.083333333333333.

Base conversion 28678311

Base System Value
2 Binary 1101101011001100010100111
3 Ternary 1222222000020200
4 Quaternary 1231121202213
5 Quinary 24320201221
6 Senary 2502401543
8 Octal 155314247
10 Decimal 28678311
12 Duodecimal 97302b3
16 Hexadecimal 1b598a7
20 Vigesimal 8j4ffb
36 Base36 h2obr

Cryptographic Hash Functions

md5 45f7cff658e601978014dfc357172367
sha1 bf378f47f4e726a6cc5c18f0fe7546f78dea8226
sha256 ee7bd1770cd5f4de6fab1c38e2997de9b95fc6fdb425bf3081a248c1425cfd48
sha512 932e6e5cbec4439abf522de87f5e705f6335d09847cd251b36015909c571228bdcacfa243702667b793662c17e93a9a386e10599604d2395b8c5a9b53b849db6
ripemd-160 25d52c21198bc1164a9b4d2fb596b1ad63e5f8df

28678311 as geometric shapes

Circle

Radius = n
Diameter 57356622
Circumference 180191142.30993
Area 2.5837888093047E+15

Sphere

Radius = n
Volume 9.8798265375412E+22
Surface area 1.0335155237219E+16
Circumference 180191142.30993

Square

Length = n
Perimeter 114713244
Area 822445521812721
Diagonal 40557256.362154

Cube

Length = n
Surface area 4934673130876326
Volume 2.3586348455102E+22
Space diagonal 49672291.727261

Equilateral Triangle

Length = n
Perimeter 86034933
Area 3.5612935755928E+14
Altitude 24836145.863631

Triangular Pyramid

Length = n
Surface area 3.5612935755928E+14
Volume 2.779677822672E+21
Height 13519085.454051