28388635 is an odd 8-digits composite number following 28388634
and preceding 28388636 . In scientific notation, it is written as 2.8388635 × 10^7.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 20646240 positive integers (up to 28388635) that are relatively prime to 28388635.
28388635 has 8 divisors, whose sum is 37163376
The reverse of 28388635 is 53688382
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
twenty-eight million three hundred eighty-eight thousand six hundred thirty-five
Scientific notation
2.8388635 × 10^7
Engineering notation
2.8388635 × 10^6
Prime Factorization
11 × 5 × 516157
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28388635
Product of the distinct prime numbers
The prime factorization of 28388635 is 11 × 5 × 516157.
Since it has a total of 3 prime factors.
10 , 7 , 2 , 18 , 226 , 858 , 3365 , 9481 , 62488 , 40087 , 236723 , 875402 , 9583210 , 7156671 , 77777818 , 32466959 , 816417819 , 292434719 , 1055212659 , 5134780278
n×2
56777270
n×3
85165905
n×4
113554540
n×5
141943175
n÷2
14194317.5
n÷3
9462878.3333333
n÷3
7097158.75
n÷5
5677727
n2
805914597163225
n3
2.2878815340039E+22
n4
6.4949833792076E+29
n5
1.8438371248339E+37
2 √n
5328.098628967
3 √n
305.05735730391
4 √n
72.993825964714
5 √n
30.947737336447
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
-28388634
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 28388635 can be divided by 8 positive divisors.
The sum of these divisors (counting 28388635) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101100010010110100011011
3
Ternary
1222102021212221
4
Quaternary
1230102310123
5
Quinary
24231414020
6
Senary
2452244511
8
Octal
154226433
10
Decimal
28388635
12
Duodecimal
9610737
16
Hexadecimal
1b12d1b
20
Vigesimal
8h8bbf
36
Base36
gwgt7
md5
0d72767bb342500b07eca718b95cfcdf
sha1
f111a5388be0db27d80414103eb475f274b40990
sha256
2248694c8780e82e29be33e8f6c0d547f417e32cb0db69034fcc03efcdc90e1a
sha512
5412470149ebd327cdf1983b5f724da0ecc1caf738bca7a7d0aa08762c3c639c4d35f8aacb57f920098fbb0c32237214897fe0aadac2a104d22472dc506827ce
ripemd-160
bc5bd44c16ccbd30effcc6924e7af377ce35649b
Diameter
56777270
Circumference
178371054.32288
Area
2.5318553778688E+15
Volume
9.5834557593471E+22
Surface area
1.0127421511475E+16
Circumference
178371054.32288
Perimeter
113554540
Area
805914597163225
Diagonal
40147592.63426
Surface area
4835487582979350
Volume
2.2878815340039E+22
Space diagonal
49170558.177528
Perimeter
85165905
Area
3.4897125721203E+14
Altitude
24585279.088764
Surface area
3.4897125721203E+14
Volume
2.6962942454094E+21
Height
13382530.878087