28238215 is an odd 8-digits composite number following 28238214
and preceding 28238216 . In scientific notation, it is written as 2.8238215 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 21979872 positive integers (up to 28238215) that are relatively prime to 28238215.
28238215 has 8 divisors, whose sum is 34801920
The reverse of 28238215 is 51283282
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-eight million two hundred thirty-eight thousand two hundred fifteen
Scientific notation
2.8238215 × 10^7
Engineering notation
2.8238215 × 10^6
Prime Factorization
5 × 37 × 152639
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28238215
Product of the distinct prime numbers
The prime factorization of 28238215 is 5 × 37 × 152639.
Since it has a total of 3 prime factors.
2 , 7 , 2 , 58 , 888 , 109 , 9202 , 6697 , 53706 , 34591 , 625421 , 320240 , 9920932 , 4094755 , 43640433 , 75005928 , 124757949 , 882188129 , 9727352663 , 6645498267
n×2
56476430
n×3
84714645
n×4
112952860
n×5
141191075
n÷2
14119107.5
n÷3
9412738.3333333
n÷3
7059553.75
n÷5
5647643
n2
797396786386225
n3
2.2517061894283E+22
n4
6.3584163493908E+29
n5
1.7955032793361E+37
2 √n
5313.9641511775
3 √n
304.51761065027
4 √n
72.896941987833
5 √n
30.914871674102
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
-28238214
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 28238215 can be divided by 8 positive divisors.
The sum of these divisors (counting 28238215) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101011101110000110000111
3
Ternary
1222010122112211
4
Quaternary
1223232012013
5
Quinary
24212110330
6
Senary
2445124251
8
Octal
153560607
10
Decimal
28238215
12
Duodecimal
9559687
16
Hexadecimal
1aee187
20
Vigesimal
8g9faf
36
Base36
gt8qv
md5
b933f97829bcf2b158a4d49a7d8c4908
sha1
73e2c04e3afefc81f4565c387bc8aef6c16037fb
sha256
d2b87a0b1af688c38df370bf7a181e1252a0c56481f0f87118c74b1cba06bb3e
sha512
8a90f2a8bda9a0fc8530c6599ebbf61263b330cd7ff1a990143e4a89476d75aef533949d781262458dfa76710620e59b33075cf2453ec6161c322f091064a8af
ripemd-160
4b66d8400d2a5f80c34648c42de8d12cd2d4d9b4
Diameter
56476430
Circumference
177425937.58898
Area
2.5050958861071E+15
Volume
9.4319248303343E+22
Surface area
1.0020383544428E+16
Circumference
177425937.58898
Perimeter
112952860
Area
797396786386225
Diagonal
39934866.630207
Surface area
4784380718317350
Volume
2.2517061894283E+22
Space diagonal
48910023.095054
Perimeter
84714645
Area
3.4528293695327E+14
Altitude
24455011.547527
Surface area
3.4528293695327E+14
Volume
2.6536611929742E+21
Height
13311622.210069