28396979 is an odd 8-digits composite number following 28396978
and preceding 28396980 . In scientific notation, it is written as 2.8396979 × 10^7.
The sum of its digits is 53. It has a total of 3 prime factors and 8 positive divisors.
There are 26176320 positive integers (up to 28396979) that are relatively prime to 28396979.
28396979 has 8 divisors, whose sum is 30623712
The reverse of 28396979 is 97969382
Previous prime number is 1193
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 53
Digital Root 8
Name
twenty-eight million three hundred ninety-six thousand nine hundred seventy-nine
Scientific notation
2.8396979 × 10^7
Engineering notation
2.8396979 × 10^6
Prime Factorization
13 × 1193 × 1831
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28396979
Product of the distinct prime numbers
The prime factorization of 28396979 is 13 × 1193 × 1831.
Since it has a total of 3 prime factors.
5 , 4 , 26 , 39 , 841 , 859 , 6730 , 3496 , 45347 , 15292 , 294399 , 39873 , 4764820 , 9750590 , 16653499 , 51045177 , 418845644 , 392531349 , 2158385218 , 1572216758
n×2
56793958
n×3
85190937
n×4
113587916
n×5
141984895
n÷2
14198489.5
n÷3
9465659.6666667
n÷3
7099244.75
n÷5
5679395.8
n2
806388416326441
n3
2.2898994924265E+22
n4
6.5026227798547E+29
n5
1.8465484252445E+37
2 √n
5328.8815899774
3 √n
305.08724190678
4 √n
72.999188967943
5 √n
30.949556357096
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
-28396978
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 28396979 can be divided by 8 positive divisors.
The sum of these divisors (counting 28396979) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101100010100110110110011
3
Ternary
1222102201022222
4
Quaternary
1230110312303
5
Quinary
24232200404
6
Senary
2452351255
8
Octal
154246663
10
Decimal
28396979
12
Duodecimal
961552b
16
Hexadecimal
1b14db3
20
Vigesimal
8h9c8j
36
Base36
gwn8z
md5
c19eb589388082ba6a9538b7c369705e
sha1
bbb73b1622d27b9b3726e8e05712c861bf2ead00
sha256
8cc3a8e7c367b4383320941c1d97537cbd43b84bccac43546939b47f73e684e4
sha512
6dbc3b9d97568511f41182ba41cf61d4b02f32b0dbc5ec94b3e6bccaea66b3df8158b7e19e5a3a459ce775cbf4d4353f70e39f56ee8398d5c0cb799cd9fd7a2d
ripemd-160
69ea5ad5773988adcf12317146f93c29a95535af
Diameter
56793958
Circumference
178423481.22109
Area
2.5333439246711E+15
Volume
9.5919085638215E+22
Surface area
1.0133375698684E+16
Circumference
178423481.22109
Perimeter
113587916
Area
806388416326441
Diagonal
40159392.832224
Surface area
4838330497958646
Volume
2.2898994924265E+22
Space diagonal
49185010.409466
Perimeter
85190937
Area
3.491764269281E+14
Altitude
24592505.204733
Surface area
3.491764269281E+14
Volume
2.6986724322174E+21
Height
13386464.277408