28291889 (number)

28291889 is an odd 8-digits composite number following 28291888 and preceding 28291890. In scientific notation, it is written as 2.8291889 × 10^7. The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors. There are 27869556 positive integers (up to 28291889) that are relatively prime to 28291889.

Interesting facts

Basic properties

Name

Name twenty-eight million two hundred ninety-one thousand eight hundred eighty-nine

Notation

Scientific notation 2.8291889 × 10^7
Engineering notation 2.8291889 × 10^6

Prime Factorization of 28291889

Prime Factorization 67 × 422267

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28291889
Product of the distinct prime numbers

The prime factorization of 28291889 is 67 × 422267. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28291889)

Multiplication

n×y
n×2 56583778
n×3 84875667
n×4 113167556
n×5 141459445

Division

n÷y
n÷2 14145944.5
n÷3 9430629.6666667
n÷3 7072972.25
n÷5 5658377.8

Exponentiation

ny
n2 800430983188321
n3 2.2645704528525E+22
n4 6.4068975884782E+29
n5 1.8126323540759E+37

Nth Root

y√n
2√n 5319.0120323233
3√n 304.71042658426
4√n 72.93155717742
5√n 30.926615084013

Divisors of 28291889

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 -28291888
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 28291889 can be divided by 4 positive divisors. The sum of these divisors (counting 28291889) is 1, the average is 0.25.

Base conversion 28291889

Base System Value
2 Binary 1101011111011001100110001
3 Ternary 1222020101011202
4 Quaternary 1223323030301
5 Quinary 24220320024
6 Senary 2450220545
8 Octal 153731461
10 Decimal 28291889
12 Duodecimal 9584755
16 Hexadecimal 1afb331
20 Vigesimal 8gg9e9
36 Base36 gue5t

Cryptographic Hash Functions

md5 aa7e9b47b02473f29eb6eb9401d88a27
sha1 ac66d1c59be2293748082ee8975a9659d3a0cdcd
sha256 8c8943101c2900115206d3e321c58300a7e342a04c5585b260af6b01162efbbb
sha512 3d7c1102d3cc5454dfa4e227b97cb9f7aa66f66358a4d7b4cdfaded5c2f08594ec1c4047d79880cfe734dc2e28f9e4b73d91a3a958ec5f511b1175c11e525ed3
ripemd-160 58e8d7cea63b443d012270ef7abe6a396aa3843a

28291889 as geometric shapes

Circle

Radius = n
Diameter 56583778
Circumference 177763181.27716
Area 2.5146280964901E+15

Sphere

Radius = n
Volume 9.4858105309572E+22
Surface area 1.005851238596E+16
Circumference 177763181.27716

Square

Length = n
Perimeter 113167556
Area 800430983188321
Diagonal 40010773.128954

Cube

Length = n
Surface area 4802585899129926
Volume 2.2645704528525E+22
Space diagonal 49002989.190099

Equilateral Triangle

Length = n
Perimeter 84875667
Area 3.4659678270862E+14
Altitude 24501494.59505

Triangular Pyramid

Length = n
Surface area 3.4659678270862E+14
Volume 2.6688218728111E+21
Height 13336924.376318