28378906 is an even 8-digits composite number following 28378905
and preceding 28378907 . In scientific notation, it is written as 2.8378906 × 10^7.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 14189452 positive integers (up to 28378906) that are relatively prime to 28378906.
28378906 has 4 divisors, whose sum is 42568362
The reverse of 28378906 is 60987382
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
twenty-eight million three hundred seventy-eight thousand nine hundred six
Scientific notation
2.8378906 × 10^7
Engineering notation
2.8378906 × 10^6
Prime Factorization
2 × 14189453
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28378906
Product of the distinct prime numbers
The prime factorization of 28378906 is 2 × 14189453.
Since it has a total of 2 prime factors.
6 , 9 , 91 , 37 , 525 , 19 , 2901 , 1684 , 40887 , 74915 , 216909 , 562219 , 954732 , 1042615 , 96165060 , 50544384 , 171235524 , 84144749 , 6703416360 , 4528991031
n×2
56757812
n×3
85136718
n×4
113515624
n×5
141894530
n÷2
14189453
n÷3
9459635.3333333
n÷3
7094726.5
n÷5
5675781.2
n2
805362305756836
n3
2.2855301171017E+22
n4
6.4860844353397E+29
n5
1.8406798049857E+37
2 √n
5327.1855608755
3 √n
305.02250483408
4 √n
72.987571276728
5 √n
30.945615840859
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
-28378905
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 28378906 can be divided by 4 positive divisors.
The sum of these divisors (counting 28378906) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101100010000011100011010
3
Ternary
1222101210112121
4
Quaternary
1230100130122
5
Quinary
24231111111
6
Senary
2452131454
8
Octal
154203432
10
Decimal
28378906
12
Duodecimal
9606b8a
16
Hexadecimal
1b1071a
20
Vigesimal
8h7756
36
Base36
gw9ay
md5
83847ff0f5e1544b2340a0027094a281
sha1
8096d24cfc59073ae74921fa55ce886e375d2d9f
sha256
316f9ba93c30669169bf1faee2bedfb68ff7acd7b4ea340f25c4ac1d36716ab2
sha512
21281602dedbb944df1d573b968ef0ec731404d9c36dbc29dd897ac80d996a93d4cfe896b8ce4a77fd5f574176c846d99b8b8ef74189ce3c30ea44e94c8c7b57
ripemd-160
d4f1c307e96a1617db4710a55b0bd4676e4c9363
Diameter
56757812
Circumference
178309925.21303
Area
2.5301203032438E+15
Volume
9.5736061672597E+22
Surface area
1.0120481212975E+16
Circumference
178309925.21303
Perimeter
113515624
Area
805362305756836
Diagonal
40133833.750511
Surface area
4832173834541016
Volume
2.2855301171017E+22
Space diagonal
49153707.055221
Perimeter
85136718
Area
3.4873210801792E+14
Altitude
24576853.527611
Surface area
3.4873210801792E+14
Volume
2.6935230740144E+21
Height
13377944.583504