28162891 (number)

28162891 is an odd 8-digits composite number following 28162890 and preceding 28162892. In scientific notation, it is written as 2.8162891 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 28148800 positive integers (up to 28162891) that are relatively prime to 28162891.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8162891 × 10^7
Engineering notation 2.8162891 × 10^6

Prime Factorization of 28162891

Prime Factorization 2411 × 11681

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28162891
Product of the distinct prime numbers

The prime factorization of 28162891 is 2411 × 11681. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28162891)

Multiplication

n×y
n×2 56325782
n×3 84488673
n×4 112651564
n×5 140814455

Division

n÷y
n÷2 14081445.5
n÷3 9387630.3333333
n÷3 7040722.75
n÷5 5632578.2

Exponentiation

ny
n2 793148429477881
n3 2.2337352766207E+22
n4 6.2908443118323E+29
n5 1.771683626521E+37

Nth Root

y√n
2√n 5306.8720542331
3√n 304.24660780726
4√n 72.84828106574
5√n 30.898361279372

Divisors of 28162891

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28162890
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28162891 can be divided by 4 positive divisors. The sum of these divisors (counting 28162891) is 1, the average is 0.25.

Base conversion 28162891

Base System Value
2 Binary 1101011011011101101001011
3 Ternary 1221222211020001
4 Quaternary 1223123231023
5 Quinary 24202203031
6 Senary 2443343431
8 Octal 153335513
10 Decimal 28162891
12 Duodecimal 9521b77
16 Hexadecimal 1adbb4b
20 Vigesimal 8g074b
36 Base36 grmmj

Cryptographic Hash Functions

md5 89df168a63e1caa9d89728b21f73e34d
sha1 8fda0a48e8094739b2c6e291c236244ca89b654b
sha256 b3917176220891e00f26d07eae829522c79247c2a99feccbc316472d9eb8e903
sha512 db0326baf24156d25a2e7d109bbfccd038c47628d2bbfc0b20426bc5a1fe024f106224f02f79a6aec0fc27329a26af8dbc0c940d21500690165bc46a07f0160a
ripemd-160 9d1afb4cb7cfaf00b0ba51c7192d1ab726626cf4

28162891 as geometric shapes

Circle

Radius = n
Diameter 56325782
Circumference 176952662.9389
Area 2.491749279254E+15

Sphere

Radius = n
Volume 9.3566484467945E+22
Surface area 9.966997117016E+15
Circumference 176952662.9389

Square

Length = n
Perimeter 112651564
Area 793148429477881
Diagonal 39828342.407835

Cube

Length = n
Surface area 4758890576867286
Volume 2.2337352766207E+22
Space diagonal 48779558.100024

Equilateral Triangle

Length = n
Perimeter 84488673
Area 3.4344334444979E+14
Altitude 24389779.050012

Triangular Pyramid

Length = n
Surface area 3.4344334444979E+14
Volume 2.6324822691235E+21
Height 13276114.135945