28587739 is an odd 8-digits composite number following 28587738
and preceding 28587740 . In scientific notation, it is written as 2.8587739 × 10^7.
The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors.
There are 28439424 positive integers (up to 28587739) that are relatively prime to 28587739.
28587739 has 4 divisors, whose sum is 28736056
The reverse of 28587739 is 93778582
Previous prime number is 193
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4
Name
twenty-eight million five hundred eighty-seven thousand seven hundred thirty-nine
Scientific notation
2.8587739 × 10^7
Engineering notation
2.8587739 × 10^6
Prime Factorization
193 × 148123
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28587739
Product of the distinct prime numbers
The prime factorization of 28587739 is 193 × 148123.
Since it has a total of 2 prime factors.
3 , 2 , 18 , 76 , 429 , 912 , 299 , 5249 , 83388 , 93131 , 388350 , 746714 , 2113555 , 58211 , 60339574 , 32898923 , 316843407 , 314636333 , 7708998750 , 9678424595
n×2
57175478
n×3
85763217
n×4
114350956
n×5
142938695
n÷2
14293869.5
n÷3
9529246.3333333
n÷3
7146934.75
n÷5
5717547.8
n2
817258821132121
n3
2.3363581873973E+22
n4
6.6791198071826E+29
n5
1.9094093379747E+37
2 √n
5346.750321457
3 √n
305.76887084796
4 √n
73.12147647208
5 √n
30.991026520943
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
-28587738
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 28587739 can be divided by 4 positive divisors.
The sum of these divisors (counting 28587739) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101101000011011011011011
3
Ternary
1222210102000011
4
Quaternary
1231003123123
5
Quinary
24304301424
6
Senary
2500422351
8
Octal
155033333
10
Decimal
28587739
12
Duodecimal
96a79b7
16
Hexadecimal
1b436db
20
Vigesimal
8id96j
36
Base36
h0qfv
md5
c669fdc8b5ee0bd582cf782ece0fab09
sha1
74d789eee939f0e0635d266aa984af5c6aff534b
sha256
2e4cfb505af2fc3b332b112411ca230829787d06da5655163c4ce6da34f51737
sha512
588651ff50f62d4262381e1650720bfccf43ae160455f617eb69ced60cf2d7990f62aa127c305fdde7875c88a6a2184c49e2b2d5a1a01782f5fed50c28aab731
ripemd-160
9ac19027cd7b68f854da3d51e8842c35b6f46063
Diameter
57175478
Circumference
179622061.65028
Area
2.5674943085501E+15
Volume
9.7865142902422E+22
Surface area
1.0269977234201E+16
Circumference
179622061.65028
Perimeter
114350956
Area
817258821132121
Diagonal
40429168.211382
Surface area
4903552926792726
Volume
2.3363581873973E+22
Space diagonal
49515416.421518
Perimeter
85763217
Area
3.5388345028367E+14
Altitude
24757708.210759
Surface area
3.5388345028367E+14
Volume
2.7534245293155E+21
Height
13476389.403794