28017857 is an odd 8-digits composite number following 28017856
and preceding 28017858 . In scientific notation, it is written as 2.8017857 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors.
There are 23186016 positive integers (up to 28017857) that are relatively prime to 28017857.
28017857 has 12 divisors, whose sum is 33717780
The reverse of 28017857 is 75871082
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-eight million seventeen thousand eight hundred fifty-seven
Scientific notation
2.8017857 × 10^7
Engineering notation
2.8017857 × 10^6
Prime Factorization
7 × 7 × 29 × 19717
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
4002551
Product of the distinct prime numbers
The prime factorization of 28017857 is 7 × 7 × 29 × 19717.
Since it has a total of 4 prime factors.
6 , 7 , 21 , 76 , 110 , 513 , 7868 , 9147 , 58687 , 70127 , 328267 , 252838 , 1932672 , 6188873 , 50629825 , 82794885 , 227744084 , 513001981 , 5786988410 , 6555115583
n×2
56035714
n×3
84053571
n×4
112071428
n×5
140089285
n÷2
14008928.5
n÷3
9339285.6666667
n÷3
7004464.25
n÷5
5603571.4
n2
785000310872449
n3
2.199402645498E+22
n4
6.1622548806984E+29
n5
1.7265317604496E+37
2 √n
5293.1896810902
3 √n
303.72343629013
4 √n
72.754310395263
5 √n
30.866471280935
1 , 7 , 29 , 49 , 203 , 1421 , 19717 , 138019 , 571793 , 966133 , 4002551 , 28017857
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28017856
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28017857 can be divided by 12 positive divisors.
The sum of these divisors (counting 28017857) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101010111000010011000001
3
Ternary
1221201110021102
4
Quaternary
1222320103001
5
Quinary
24133032412
6
Senary
2440304145
8
Octal
152702301
10
Decimal
28017857
12
Duodecimal
9472055
16
Hexadecimal
1ab84c1
20
Vigesimal
8f24ch
36
Base36
goipt
md5
6f50f1446727c5d7c9c920f43382a609
sha1
7c5cb9acf8f9f7c231462be2937ab0985e290cdb
sha256
e5fbe6a27f44ec41d53ed55061bdf13140f3adc02e2ef6e20d744b8e1378093a
sha512
fe7a7fb7fd9c395c56342f93aa1e9774b345929ea9714ef65cd49eacb2381a275bdb90722dd7d1126ea8f6f2143a0a097c8ffd011daacb98950814a5a740df81
ripemd-160
e2a8c3afdb976f65f230eb4e8d8b1ac9d2597acc
Diameter
56035714
Circumference
176041387.44106
Area
2.4661512097026E+15
Volume
9.2128362578432E+22
Surface area
9.8646048388104E+15
Circumference
176041387.44106
Perimeter
112071428
Area
785000310872449
Diagonal
39623233.35803
Surface area
4710001865234694
Volume
2.199402645498E+22
Space diagonal
48528351.843199
Perimeter
84053571
Area
3.3991510559711E+14
Altitude
24264175.9216
Surface area
3.3991510559711E+14
Volume
2.5920208753188E+21
Height
13207744.452677