28423938 is an even 8-digits composite number following 28423937
and preceding 28423939 . In scientific notation, it is written as 2.8423938 × 10^7.
The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors.
There are 9302400 positive integers (up to 28423938) that are relatively prime to 28423938.
28423938 has 32 divisors, whose sum is 57893760
The reverse of 28423938 is 83932482
Previous prime number is 137
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-eight million four hundred twenty-three thousand nine hundred thirty-eight
Scientific notation
2.8423938 × 10^7
Engineering notation
2.8423938 × 10^6
Prime Factorization
2 × 3 × 151 × 137 × 229
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
28423938
Product of the distinct prime numbers
The prime factorization of 28423938 is 2 × 3 × 151 × 137 × 229.
Since it has a total of 5 prime factors.
5 , 5 , 29 , 16 , 741 , 867 , 5035 , 6191 , 86919 , 34774 , 849980 , 319357 , 6484762 , 9238948 , 41910614 , 7483788 , 428722493 , 372512377 , 7860908861 , 7953040709
n×2
56847876
n×3
85271814
n×4
113695752
n×5
142119690
n÷2
14211969
n÷3
9474646
n÷3
7105984.5
n÷5
5684787.6
n2
807920251427844
n3
2.2964275135529E+22
n4
6.5273513266723E+29
n5
1.8553302941355E+37
2 √n
5331.4105075486
3 √n
305.18375740281
4 √n
73.016508459037
5 √n
30.95543059057
1 , 2 , 3 , 6 , 137 , 151 , 229 , 274 , 302 , 411 , 453 , 458 , 687 , 822 , 906 , 1374 , 20687 , 31373 , 34579 , 41374 , 62061 , 62746 , 69158 , 94119 , 103737 , 124122 , 188238 , 207474 , 4737323 , 9474646 , 14211969 , 28423938
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28423937
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28423938 can be divided by 32 positive divisors.
The sum of these divisors (counting 28423938) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1101100011011011100000010
3
Ternary
1222111002022110
4
Quaternary
1230123130002
5
Quinary
24234031223
6
Senary
2453120150
8
Octal
154333402
10
Decimal
28423938
12
Duodecimal
9629056
16
Hexadecimal
1b1b702
20
Vigesimal
8hcjgi
36
Base36
gx81u
md5
8a5b22cb46888b0b129731dfce2f3e4c
sha1
a24a3a37ad3414dddc0a47ef305329bdcbf84b12
sha256
b632009c90eec9ff96f70d8893bd2ad60ad78376f29623f33e95ce036fe673d9
sha512
4d60720b99b8c087d8ec777043886d84505ed2530d249e10b139545d9c2173124443275533e7bb34df551f286129fa28d1aab8ba21ebfcbd1f580fa392d75a0e
ripemd-160
1817022e6ffb1b399b497750eff7502ff7254772
Diameter
56847876
Circumference
178592869.61378
Area
2.5381563265721E+15
Volume
9.6192530747725E+22
Surface area
1.0152625306289E+16
Circumference
178592869.61378
Perimeter
113695752
Area
807920251427844
Diagonal
40197518.615652
Surface area
4847521508567064
Volume
2.2964275135529E+22
Space diagonal
49231704.767188
Perimeter
85271814
Area
3.4983973098421E+14
Altitude
24615852.383594
Surface area
3.4983973098421E+14
Volume
2.7063657788944E+21
Height
13399172.871884