28161872 (number)

28161872 is an even 8-digits composite number following 28161871 and preceding 28161873. In scientific notation, it is written as 2.8161872 × 10^7. The sum of its digits is 35. It has a total of 5 prime factors and 10 positive divisors. There are 14080928 positive integers (up to 28161872) that are relatively prime to 28161872.

Interesting facts

Basic properties

Name

Name twenty-eight million one hundred sixty-one thousand eight hundred seventy-two

Notation

Scientific notation 2.8161872 × 10^7
Engineering notation 2.8161872 × 10^6

Prime Factorization of 28161872

Prime Factorization 2 × 2 × 2 × 2 × 1760117

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 3520234
Product of the distinct prime numbers

The prime factorization of 28161872 is 2 × 2 × 2 × 2 × 1760117. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28161872)

Multiplication

n×y
n×2 56323744
n×3 84485616
n×4 112647488
n×5 140809360

Division

n÷y
n÷2 14080936
n÷3 9387290.6666667
n÷3 7040468
n÷5 5632374.4

Exponentiation

ny
n2 793091034544384
n3 2.2334928199187E+22
n4 6.2899338907468E+29
n5 1.7713631311967E+37

Nth Root

y√n
2√n 5306.7760457739
3√n 304.24293830907
4√n 72.847622101026
5√n 30.898137680979

Divisors of 28161872

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 -28161871
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 28161872 can be divided by 10 positive divisors. The sum of these divisors (counting 28161872) is 1, the average is 0.1.

Base conversion 28161872

Base System Value
2 Binary 1101011011011011101010000
3 Ternary 1221222202211022
4 Quaternary 1223123131100
5 Quinary 24202134442
6 Senary 2443335012
8 Octal 153333520
10 Decimal 28161872
12 Duodecimal 9521468
16 Hexadecimal 1adb750
20 Vigesimal 8g04dc
36 Base36 grlu8

Cryptographic Hash Functions

md5 7bd1ae7f2a9a6f4ec277e541260db2aa
sha1 ba6db3e2b185b59c8dce0643e82f9ea197a01d48
sha256 b21d59909a2b1311f1ef3ea4ef59aeaf2243e5933e9735856e6b859729433ffb
sha512 eedfca214c6055faa5c36834cb72e70932172256a0cfc7f9ec44c4fa1fd767ec69cd56046b25697930d7f5a81369604d672ea636cbe37bbf934ae54541d26976
ripemd-160 38b5148513b1ca76d4c6d8d7a9239b26c8b361ac

28161872 as geometric shapes

Circle

Radius = n
Diameter 56323744
Circumference 176946260.37307
Area 2.4915689677526E+15

Sphere

Radius = n
Volume 9.355632846536E+22
Surface area 9.9662758710103E+15
Circumference 176946260.37307

Square

Length = n
Perimeter 112647488
Area 793091034544384
Diagonal 39826901.324215

Cube

Length = n
Surface area 4758546207266304
Volume 2.2334928199187E+22
Space diagonal 48777793.140251

Equilateral Triangle

Length = n
Perimeter 84485616
Area 3.4341849171456E+14
Altitude 24388896.570126

Triangular Pyramid

Length = n
Surface area 3.4341849171456E+14
Volume 2.6321965311599E+21
Height 13275633.774738