28239218 is an even 8-digits composite number following 28239217
and preceding 28239219 . In scientific notation, it is written as 2.8239218 × 10^7.
The sum of its digits is 35. It has a total of 5 prime factors and 32 positive divisors.
There are 11612160 positive integers (up to 28239218) that are relatively prime to 28239218.
28239218 has 32 divisors, whose sum is 50413440
The reverse of 28239218 is 81293282
Previous prime number is 43
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-eight million two hundred thirty-nine thousand two hundred eighteen
Scientific notation
2.8239218 × 10^7
Engineering notation
2.8239218 × 10^6
Prime Factorization
2 × 7 × 61 × 43 × 769
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
28239218
Product of the distinct prime numbers
The prime factorization of 28239218 is 2 × 7 × 61 × 43 × 769.
Since it has a total of 5 prime factors.
10 , 6 , 37 , 29 , 789 , 219 , 7658 , 4692 , 96449 , 82823 , 653651 , 930630 , 8697079 , 6128247 , 71931055 , 51300573 , 670038552 , 452472580 , 9096685437 , 322631673
n×2
56478436
n×3
84717654
n×4
112956872
n×5
141196090
n÷2
14119609
n÷3
9413072.6666667
n÷3
7059804.5
n÷5
5647843.6
n2
797453433251524
n3
2.2519461346438E+22
n4
6.3593197820464E+29
n5
1.7958221765692E+37
2 √n
5314.0585243296
3 √n
304.52121601918
4 √n
72.897589290247
5 √n
30.915091285546
1 , 2 , 7 , 14 , 43 , 61 , 86 , 122 , 301 , 427 , 602 , 769 , 854 , 1538 , 2623 , 5246 , 5383 , 10766 , 18361 , 33067 , 36722 , 46909 , 66134 , 93818 , 231469 , 328363 , 462938 , 656726 , 2017087 , 4034174 , 14119609 , 28239218
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
-28239217
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 28239218 can be divided by 32 positive divisors.
The sum of these divisors (counting 28239218) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1101011101110010101110010
3
Ternary
1222010200220222
4
Quaternary
1223232111302
5
Quinary
24212123333
6
Senary
2445133042
8
Octal
153562562
10
Decimal
28239218
12
Duodecimal
955a182
16
Hexadecimal
1aee572
20
Vigesimal
8g9i0i
36
Base36
gt9iq
md5
82661a0ee9d34a91d968d2df4c2b8669
sha1
1ab9cb466c7074378c9ab2899ca75dbd1ca9be8e
sha256
af205bab95d8da70d91de5997af8b25e2a5549f9e25e4c8f8c6b82bb86a3897c
sha512
3498c40466a6f8f435a77f06a7efe2cf9f9876be3b7cbb6437327052885b55b4f31ab301071f4c6847993aadcfeb79883175528489e0ae7b08c7449d9fcef0fc
ripemd-160
0f4d6569f1f9503b719ff12778f3a48a9f04a3f1
Diameter
56478436
Circumference
177432239.62384
Area
2.5052738474829E+15
Volume
9.4329299105026E+22
Surface area
1.0021095389932E+16
Circumference
177432239.62384
Perimeter
112956872
Area
797453433251524
Diagonal
39936285.08641
Surface area
4784720599509144
Volume
2.2519461346438E+22
Space diagonal
48911760.342014
Perimeter
84717654
Area
3.4530746576547E+14
Altitude
24455880.171007
Surface area
3.4530746576547E+14
Volume
2.6539439711225E+21
Height
13312095.028803