28139968 (number)

28139968 is an even 8-digits composite number following 28139967 and preceding 28139969. In scientific notation, it is written as 2.8139968 × 10^7. The sum of its digits is 46. It has a total of 7 prime factors and 14 positive divisors. There are 14069952 positive integers (up to 28139968) that are relatively prime to 28139968.

Interesting facts

Basic properties

Name

Name twenty-eight million one hundred thirty-nine thousand nine hundred sixty-eight

Notation

Scientific notation 2.8139968 × 10^7
Engineering notation 2.8139968 × 10^6

Prime Factorization of 28139968

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 439687

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 879374
Product of the distinct prime numbers

The prime factorization of 28139968 is 2 × 2 × 2 × 2 × 2 × 2 × 439687. Since it has a total of 7 prime factors.

Most popular turbo-numbers

5, 5, 89, 67, 726, 279, 5716, 2245, 4919, 38529, 605670, 505547, 7531936, 4770702, 88034429, 62088472, 816285959, 190397328, 3127515535, 8550043987

Basic calculations (n = 28139968)

Multiplication

n×y
n×2 56279936
n×3 84419904
n×4 112559872
n×5 140699840

Division

n÷y
n÷2 14069984
n÷3 9379989.3333333
n÷3 7034992
n÷5 5627993.6

Exponentiation

ny
n2 791857799041024
n3 2.2282853125565E+22
n4 6.2703877390209E+29
n5 1.7644851032364E+37

Nth Root

y√n
2√n 5304.7118677644
3√n 304.16403889225
4√n 72.833452944127
5√n 30.893329737339

Divisors of 28139968

1, 2, 4, 8, 16, 32, 64, 439687, 879374, 1758748, 3517496, 7034992, 14069984, 28139968

14 divisors

τ Total Divisors 14
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28139967
Sum of the proper positive divisors of n
A Arithmetic Mean 0.071428571428571
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 14
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28139968 can be divided by 14 positive divisors. The sum of these divisors (counting 28139968) is 1, the average is 0.071428571428571.

Base conversion 28139968

Base System Value
2 Binary 1101011010110000111000000
3 Ternary 1221221122210001
4 Quaternary 1223112013000
5 Quinary 24200434333
6 Senary 2443045344
8 Octal 153260700
10 Decimal 28139968
12 Duodecimal 9510854
16 Hexadecimal 1ad61c0
20 Vigesimal 8fh9i8
36 Base36 gr4xs

Cryptographic Hash Functions

md5 18dd8859154d544c3260e3bced972c21
sha1 e2a01f7858ef8b36133d5fe8fcaba6fcca6facb4
sha256 b4f1647fcf30072af94076a1547294b5f9ddc37ec410dafbda4c9b090d41f681
sha512 29cc9cf37209705a67073f2c5a780aa7a8e618b6348eb68e7ee19bfd848f5186849baac209fa1886bdce763c2e9a8fe7109594ac35c561eaa6ae705d0b2f39a8
ripemd-160 68727361f7faaf3c7974f53f53d3daa8f8c693ae

28139968 as geometric shapes

Circle

Radius = n
Diameter 56279936
Circumference 176808633.4821
Area 2.4876946441551E+15

Sphere

Radius = n
Volume 9.333819690706E+22
Surface area 9.9507785766203E+15
Circumference 176808633.4821

Square

Length = n
Perimeter 112559872
Area 791857799041024
Diagonal 39795924.390345

Cube

Length = n
Surface area 4751146794246144
Volume 2.2282853125565E+22
Space diagonal 48739854.299362

Equilateral Triangle

Length = n
Perimeter 84419904
Area 3.4288448507718E+14
Altitude 24369927.149681

Triangular Pyramid

Length = n
Surface area 3.4288448507718E+14
Volume 2.6260594248785E+21
Height 13265308.130115