28698531 is an odd 8-digits composite number following 28698530
and preceding 28698532 . In scientific notation, it is written as 2.8698531 × 10^7.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 18125352 positive integers (up to 28698531) that are relatively prime to 28698531.
28698531 has 8 divisors, whose sum is 40278720
The reverse of 28698531 is 13589682
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty-eight million six hundred ninety-eight thousand five hundred thirty-one
Scientific notation
2.8698531 × 10^7
Engineering notation
2.8698531 × 10^6
Prime Factorization
3 × 19 × 503483
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28698531
Product of the distinct prime numbers
The prime factorization of 28698531 is 3 × 19 × 503483.
Since it has a total of 3 prime factors.
3 , 3 , 40 , 39 , 457 , 924 , 1521 , 9643 , 76848 , 30693 , 996237 , 937161 , 6751151 , 8898202 , 33443146 , 34272205 , 599731309 , 405477112 , 1376597338 , 3983783580
n×2
57397062
n×3
86095593
n×4
114794124
n×5
143492655
n÷2
14349265.5
n÷3
9566177
n÷3
7174632.75
n÷5
5739706.2
n2
823605681557961
n3
2.3636273183967E+22
n4
6.7832631869455E+29
n5
1.9466968885172E+37
2 √n
5357.1009884078
3 √n
306.16336485962
4 √n
73.19221945267
5 √n
31.015010561388
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
-28698530
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 28698531 can be divided by 8 positive divisors.
The sum of these divisors (counting 28698531) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101101011110011110100011
3
Ternary
2000000000222120
4
Quaternary
1231132132203
5
Quinary
24321323111
6
Senary
2503035323
8
Octal
155363643
10
Decimal
28698531
12
Duodecimal
973bb43
16
Hexadecimal
1b5e7a3
20
Vigesimal
8j766b
36
Base36
h33xf
md5
564148bfe7f66c19d2efa7f838898922
sha1
e6e58e798709c56f1231433488b99e1ab41e7b9b
sha256
6b26407837cebfa16891a1478bc5fe30a5a0202f48905af1cbd1598b289677f0
sha512
9c347eeda52652721d4b3e81345c30c684fbaa00f9ba0ab50837c59d08ea4aeb1f7cd812c94a046932db7f7471a08b842fd6127520c8c07aa2f8104bc8550b93
ripemd-160
aaefdc6c6d91aa3e155016211f7b6344faa787bc
Diameter
57397062
Circumference
180318188.31684
Area
2.5874335586373E+15
Volume
9.9007389590657E+22
Surface area
1.0349734234549E+16
Circumference
180318188.31684
Perimeter
114794124
Area
823605681557961
Diagonal
40585851.760385
Surface area
4941634089347766
Volume
2.3636273183967E+22
Space diagonal
49707313.79459
Perimeter
86095593
Area
3.566317214652E+14
Altitude
24853656.897295
Surface area
3.566317214652E+14
Volume
2.7855615083935E+21
Height
13528617.253462