28689968 (number)

28689968 is an even 8-digits composite number following 28689967 and preceding 28689969. In scientific notation, it is written as 2.8689968 × 10^7. The sum of its digits is 56. It has a total of 5 prime factors and 10 positive divisors. There are 14344976 positive integers (up to 28689968) that are relatively prime to 28689968.

Interesting facts

Basic properties

Name

Name twenty-eight million six hundred eighty-nine thousand nine hundred sixty-eight

Notation

Scientific notation 2.8689968 × 10^7
Engineering notation 2.8689968 × 10^6

Prime Factorization of 28689968

Prime Factorization 2 × 2 × 2 × 2 × 1793123

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 3586246
Product of the distinct prime numbers

The prime factorization of 28689968 is 2 × 2 × 2 × 2 × 1793123. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28689968)

Multiplication

n×y
n×2 57379936
n×3 86069904
n×4 114759872
n×5 143449840

Division

n÷y
n÷2 14344984
n÷3 9563322.6666667
n÷3 7172492
n÷5 5737993.6

Exponentiation

ny
n2 823114263841024
n3 2.3615121889943E+22
n4 6.7751709133855E+29
n5 1.9437943669956E+37

Nth Root

y√n
2√n 5356.301709202
3√n 306.13291106291
4√n 73.186759111208
5√n 31.013159503307

Divisors of 28689968

10 divisors

τ Total Divisors 10
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28689967
Sum of the proper positive divisors of n
A Arithmetic Mean 0.1
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 10
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28689968 can be divided by 10 positive divisors. The sum of these divisors (counting 28689968) is 1, the average is 0.1.

Base conversion 28689968

Base System Value
2 Binary 1101101011100011000110000
3 Ternary 1222222121020102
4 Quaternary 1231130120300
5 Quinary 24321034333
6 Senary 2502531532
8 Octal 155343060
10 Decimal 28689968
12 Duodecimal 9736ba8
16 Hexadecimal 1b5c630
20 Vigesimal 8j64i8
36 Base36 h2xbk

Cryptographic Hash Functions

md5 913f805a2daf9d1b63308670dc66cf0e
sha1 c0d5ac194b5bd66d2a190147d4efe0481587bca4
sha256 8a409be372d4846aeb858970b70773bcd95b901b537e97c99ea6d1465359b8bb
sha512 a6445e5d2ce639e13f91c1619ef38e983b8b5895d22682b32e72b3b5585728c739a89c1a26135159bd60889058d19e62d96140acc5fae7506f7531a08ad589d8
ripemd-160 77c89566e38ee9899fe03fb029aa4bd55c39182d

28689968 as geometric shapes

Circle

Radius = n
Diameter 57379936
Circumference 180264385.40105
Area 2.5858897243479E+15

Sphere

Radius = n
Volume 9.8918791257428E+22
Surface area 1.0343558897392E+16
Circumference 180264385.40105

Square

Length = n
Perimeter 114759872
Area 823114263841024
Diagonal 40573741.84965

Cube

Length = n
Surface area 4938685583046144
Volume 2.3615121889943E+22
Space diagonal 49692482.243525

Equilateral Triangle

Length = n
Perimeter 86069904
Area 3.5641893135183E+14
Altitude 24846241.121763

Triangular Pyramid

Length = n
Surface area 3.5641893135183E+14
Volume 2.7830688044875E+21
Height 13524580.61655