28355887 is an odd 8-digits composite number following 28355886
and preceding 28355888 . In scientific notation, it is written as 2.8355887 × 10^7.
The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors.
There are 23712000 positive integers (up to 28355887) that are relatively prime to 28355887.
28355887 has 8 divisors, whose sum is 33197472
The reverse of 28355887 is 78855382
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1
Name
twenty-eight million three hundred fifty-five thousand eight hundred eighty-seven
Scientific notation
2.8355887 × 10^7
Engineering notation
2.8355887 × 10^6
Prime Factorization
7 × 41 × 98801
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28355887
Product of the distinct prime numbers
The prime factorization of 28355887 is 7 × 41 × 98801.
Since it has a total of 3 prime factors.
1 , 4 , 31 , 30 , 188 , 622 , 9004 , 3773 , 2653 , 37322 , 184796 , 64588 , 5276103 , 5104876 , 46025061 , 65455340 , 838713942 , 989030349 , 992556434 , 8612470074
n×2
56711774
n×3
85067661
n×4
113423548
n×5
141779435
n÷2
14177943.5
n÷3
9451962.3333333
n÷3
7088971.75
n÷5
5671177.4
n2
804056327556769
n3
2.2799730365835E+22
n4
6.4650657788408E+29
n5
1.8332267467238E+37
2 √n
5325.0246008821
3 √n
304.94001149325
4 √n
72.972766158904
5 √n
30.940594023859
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28355886
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28355887 can be divided by 8 positive divisors.
The sum of these divisors (counting 28355887) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101100001010110100101111
3
Ternary
1222100121222001
4
Quaternary
1230022310233
5
Quinary
24224342022
6
Senary
2451433131
8
Octal
154126457
10
Decimal
28355887
12
Duodecimal
95b57a7
16
Hexadecimal
1b0ad2f
20
Vigesimal
8h49e7
36
Base36
gvrjj
md5
ef5d50cf4455593b4181a79cea04f578
sha1
2df19f2b0c644c813e39117b98581d98f2a425ee
sha256
74f51ac41d3bb287c34c6e56ec65a4db1c0de3bcda0b7cf3bfa4694e2d16829e
sha512
0d123c73448999493163f50ba4b5eb9181bc535ce4accafafee1132c0a244c95238954744c3558d3aa7c9058868eaf9bcd8af86eeffcd3d717000340e685c0c1
ripemd-160
70d70553e985430dc74c26e3f8550af0ab0391ab
Diameter
56711774
Circumference
178165292.57044
Area
2.5260174517247E+15
Volume
9.5503287228179E+22
Surface area
1.0104069806899E+16
Circumference
178165292.57044
Perimeter
113423548
Area
804056327556769
Diagonal
40101279.968519
Surface area
4824337965340614
Volume
2.2799730365835E+22
Space diagonal
49113836.977682
Perimeter
85067661
Area
3.4816660286889E+14
Altitude
24556918.488841
Surface area
3.4816660286889E+14
Volume
2.6869739918178E+21
Height
13367093.32284