28138575 is an odd 8-digits composite number following 28138574
and preceding 28138576 . In scientific notation, it is written as 2.8138575 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 14750560 positive integers (up to 28138575) that are relatively prime to 28138575.
28138575 has 16 divisors, whose sum is 39686400
The reverse of 28138575 is 57583182
Previous prime number is 6359
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-eight million one hundred thirty-eight thousand five hundred seventy-five
Scientific notation
2.8138575 × 10^7
Engineering notation
2.8138575 × 10^6
Prime Factorization
3 × 25 × 6359 × 59
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28138575
Product of the distinct prime numbers
The prime factorization of 28138575 is 3 × 25 × 6359 × 59.
Since it has a total of 4 prime factors.
7 , 6 , 27 , 57 , 598 , 567 , 5624 , 4105 , 58493 , 53153 , 698480 , 252761 , 8989861 , 9315950 , 51300360 , 94176076 , 413668688 , 778788492 , 3688259076 , 9441499008
n×2
56277150
n×3
84415725
n×4
112554300
n×5
140692875
n÷2
14069287.5
n÷3
9379525
n÷3
7034643.75
n÷5
5627715
n2
791779403030625
n3
2.2279544115632E+22
n4
6.2691462306353E+29
n5
1.764048413967E+37
2 √n
5304.5805677735
3 √n
304.15901984487
4 √n
72.832551567094
5 √n
30.8930238716
1 , 3 , 25 , 59 , 75 , 177 , 1475 , 4425 , 6359 , 19077 , 158975 , 375181 , 476925 , 1125543 , 9379525 , 28138575
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28138574
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28138575 can be divided by 16 positive divisors.
The sum of these divisors (counting 28138575) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101011010101110001001111
3
Ternary
1221221120212110
4
Quaternary
1223111301033
5
Quinary
24200413300
6
Senary
2443035103
8
Octal
153256117
10
Decimal
28138575
12
Duodecimal
950ba93
16
Hexadecimal
1ad5c4f
20
Vigesimal
8fh68f
36
Base36
gr3v3
md5
72abf974ac4ba0e15b3b18dd63543f15
sha1
6b4f7b65dd6d02adf073e1055bd6c13b43e54c70
sha256
69abb8ef232843f2f3decd2870308c50385f3c0cb83d68fcc7cb2a3296cb85ba
sha512
b24f10d568ebc13e3c5a6be0998d22f2feeeb1d50150ef108db01c22f43adb0919ba484db68b72763f47c787334a748a0cf3d87e99549f0ef4adf765693e4a97
ripemd-160
05149446875a95621e565ca997446f5402921b1f
Diameter
56277150
Circumference
176799881.00497
Area
2.4874483558247E+15
Volume
9.3324336158668E+22
Surface area
9.9497934232989E+15
Circumference
176799881.00497
Perimeter
112554300
Area
791779403030625
Diagonal
39793954.390853
Surface area
4750676418183750
Volume
2.2279544115632E+22
Space diagonal
48737441.552587
Perimeter
84415725
Area
3.428505386089E+14
Altitude
24368720.776294
Surface area
3.428505386089E+14
Volume
2.6256694543181E+21
Height
13264651.463618