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.
28291889 has 4 divisors, whose sum is 28714224
The reverse of 28291889 is 98819282
Previous prime number is 67
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2
Name
twenty-eight million two hundred ninety-one thousand eight hundred eighty-nine
Scientific notation
2.8291889 × 10^7
Engineering notation
2.8291889 × 10^6
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.
7 , 6 , 10 , 90 , 253 , 168 , 8872 , 1840 , 18992 , 81823 , 120132 , 604283 , 4661952 , 6705478 , 99636912 , 83883715 , 849894744 , 61709395 , 8061614816 , 6854277621
n×2
56583778
n×3
84875667
n×4
113167556
n×5
141459445
n÷2
14145944.5
n÷3
9430629.6666667
n÷3
7072972.25
n÷5
5658377.8
n2
800430983188321
n3
2.2645704528525E+22
n4
6.4068975884782E+29
n5
1.8126323540759E+37
2 √n
5319.0120323233
3 √n
304.71042658426
4 √n
72.93155717742
5 √n
30.926615084013
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
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
md5
aa7e9b47b02473f29eb6eb9401d88a27
sha1
ac66d1c59be2293748082ee8975a9659d3a0cdcd
sha256
8c8943101c2900115206d3e321c58300a7e342a04c5585b260af6b01162efbbb
sha512
3d7c1102d3cc5454dfa4e227b97cb9f7aa66f66358a4d7b4cdfaded5c2f08594ec1c4047d79880cfe734dc2e28f9e4b73d91a3a958ec5f511b1175c11e525ed3
ripemd-160
58e8d7cea63b443d012270ef7abe6a396aa3843a
Diameter
56583778
Circumference
177763181.27716
Area
2.5146280964901E+15
Volume
9.4858105309572E+22
Surface area
1.005851238596E+16
Circumference
177763181.27716
Perimeter
113167556
Area
800430983188321
Diagonal
40010773.128954
Surface area
4802585899129926
Volume
2.2645704528525E+22
Space diagonal
49002989.190099
Perimeter
84875667
Area
3.4659678270862E+14
Altitude
24501494.59505
Surface area
3.4659678270862E+14
Volume
2.6688218728111E+21
Height
13336924.376318