28136972 is an even 8-digits composite number following 28136971
and preceding 28136973 . In scientific notation, it is written as 2.8136972 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors.
There are 13240896 positive integers (up to 28136972) that are relatively prime to 28136972.
28136972 has 12 divisors, whose sum is 52136280
The reverse of 28136972 is 27963182
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-eight million one hundred thirty-six thousand nine hundred seventy-two
Scientific notation
2.8136972 × 10^7
Engineering notation
2.8136972 × 10^6
Prime Factorization
2 × 2 × 17 × 413779
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
14068486
Product of the distinct prime numbers
The prime factorization of 28136972 is 2 × 2 × 17 × 413779.
Since it has a total of 4 prime factors.
3 , 4 , 79 , 58 , 241 , 559 , 2227 , 7342 , 66607 , 85113 , 189199 , 34472 , 8940628 , 9086194 , 68461081 , 65082654 , 919846895 , 920922605 , 5653802137 , 1720516886
n×2
56273944
n×3
84410916
n×4
112547888
n×5
140684860
n÷2
14068486
n÷3
9378990.6666667
n÷3
7034243
n÷5
5627394.4
n2
791689193328784
n3
2.2275736665395E+22
n4
6.2677177883358E+29
n5
1.7635459991431E+37
2 √n
5304.4294697922
3 √n
304.1532439522
4 √n
72.831514262661
5 √n
30.892671880458
1 , 2 , 4 , 17 , 34 , 68 , 413779 , 827558 , 1655116 , 7034243 , 14068486 , 28136972
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28136971
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28136972 can be divided by 12 positive divisors.
The sum of these divisors (counting 28136972) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101011010101011000001100
3
Ternary
1221221111200002
4
Quaternary
1223111120030
5
Quinary
24200340342
6
Senary
2443023432
8
Octal
153253014
10
Decimal
28136972
12
Duodecimal
950ab78
16
Hexadecimal
1ad560c
20
Vigesimal
8fh28c
36
Base36
gr2mk
md5
f2294e1e0688f5c3d13d0be48a1a89c1
sha1
5064f2ea2f094236ef164cc0b3811ad833f656be
sha256
5e22276cd134aafd5cfc2b11bf23cefe5da333fc66522e4eff2430fc87145ac4
sha512
6d24e1e3f5fe5f357b4534999bbdf8c7f017f95f46d7df828613e12b4933076c448c953228e457d2390de12181d756d589abfbea61718bf2ac63865793577a39
ripemd-160
6830762961c18981c77bc0c3367840e2fe1211eb
Diameter
56273944
Circumference
176789809.05892
Area
2.4871649536881E+15
Volume
9.3308387548406E+22
Surface area
9.9486598147526E+15
Circumference
176789809.05892
Perimeter
112547888
Area
791689193328784
Diagonal
39791687.406512
Surface area
4750135159972704
Volume
2.2275736665395E+22
Space diagonal
48734665.075143
Perimeter
84410916
Area
3.4281147666217E+14
Altitude
24367332.537571
Surface area
3.4281147666217E+14
Volume
2.6252207420044E+21
Height
13263895.802171