28238213 is an odd 8-digits composite number following 28238212
and preceding 28238214 . In scientific notation, it is written as 2.8238213 × 10^7.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 28166688 positive integers (up to 28238213) that are relatively prime to 28238213.
28238213 has 4 divisors, whose sum is 28309740
The reverse of 28238213 is 31283282
Previous prime number is 397
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-eight million two hundred thirty-eight thousand two hundred thirteen
Scientific notation
2.8238213 × 10^7
Engineering notation
2.8238213 × 10^6
Prime Factorization
397 × 71129
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28238213
Product of the distinct prime numbers
The prime factorization of 28238213 is 397 × 71129.
Since it has a total of 2 prime factors.
10 , 3 , 17 , 74 , 197 , 210 , 2158 , 9769 , 91788 , 2310 , 632296 , 238031 , 6373394 , 5758758 , 19770986 , 8569287 , 357240138 , 294896332 , 8378484720 , 869158884
n×2
56476426
n×3
84714639
n×4
112952852
n×5
141191065
n÷2
14119106.5
n÷3
9412737.6666667
n÷3
7059553.25
n÷5
5647642.6
n2
797396673433369
n3
2.2517057109903E+22
n4
6.358414548026E+29
n5
1.7955026434946E+37
2 √n
5313.9639629941
3 √n
304.51760346101
4 √n
72.896940697083
5 √n
30.914871236187
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
-28238212
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 28238213 can be divided by 4 positive divisors.
The sum of these divisors (counting 28238213) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101011101110000110000101
3
Ternary
1222010122112202
4
Quaternary
1223232012011
5
Quinary
24212110323
6
Senary
2445124245
8
Octal
153560605
10
Decimal
28238213
12
Duodecimal
9559685
16
Hexadecimal
1aee185
20
Vigesimal
8g9fad
36
Base36
gt8qt
md5
1a397591b71c6686584ff2bf0effd9d9
sha1
78793af05c0d7d0814b4bd6c26fb66a151ea952f
sha256
35de42eae87c897518b44b74361530f13ed0e6192a1037d86cef5762bb07fd59
sha512
2a006ed8e70084611813bc7930b2934eac58cb3eb0e8943e964430ccbb89ce5e0470bc5e31ae8ce28878d7d97f4f8c6a8dae6f6812887efba8497d846f58890f
ripemd-160
f670ee184225f2c5a87d401148a9edf4f891e68b
Diameter
56476426
Circumference
177425925.02261
Area
2.5050955312552E+15
Volume
9.4319228262577E+22
Surface area
1.0020382125021E+16
Circumference
177425925.02261
Perimeter
112952852
Area
797396673433369
Diagonal
39934863.80178
Surface area
4784380040600214
Volume
2.2517057109903E+22
Space diagonal
48910019.630952
Perimeter
84714639
Area
3.4528288804325E+14
Altitude
24455009.815476
Surface area
3.4528288804325E+14
Volume
2.6536606291295E+21
Height
13311621.26726