28493018 is an even 8-digits composite number following 28493017
and preceding 28493019 . In scientific notation, it is written as 2.8493018 × 10^7.
The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors.
There are 14070000 positive integers (up to 28493018) that are relatively prime to 28493018.
28493018 has 16 divisors, whose sum is 43273440
The reverse of 28493018 is 81039482
Previous prime number is 251
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-eight million four hundred ninety-three thousand eighteen
Scientific notation
2.8493018 × 10^7
Engineering notation
2.8493018 × 10^6
Prime Factorization
2 × 269 × 251 × 211
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28493018
Product of the distinct prime numbers
The prime factorization of 28493018 is 2 × 269 × 251 × 211.
Since it has a total of 4 prime factors.
7 , 4 , 83 , 55 , 884 , 415 , 4450 , 9803 , 49509 , 83296 , 389821 , 925042 , 259958 , 8757680 , 47392633 , 38747484 , 54043740 , 2157518 , 2301917543 , 4160793078
n×2
56986036
n×3
85479054
n×4
113972072
n×5
142465090
n÷2
14246509
n÷3
9497672.6666667
n÷3
7123254.5
n÷5
5698603.6
n2
811852074748324
n3
2.3132115779141E+22
n4
6.5910379127316E+29
n5
1.8779856188614E+37
2 √n
5337.8851617471
3 √n
305.43079141169
4 √n
73.060831926191
5 √n
30.970462465109
1 , 2 , 211 , 251 , 269 , 422 , 502 , 538 , 52961 , 56759 , 67519 , 105922 , 113518 , 135038 , 14246509 , 28493018
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28493017
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28493018 can be divided by 16 positive divisors.
The sum of these divisors (counting 28493018) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101100101100010011011010
3
Ternary
1222121121001222
4
Quaternary
1230230103122
5
Quinary
24243234033
6
Senary
2454412042
8
Octal
154542332
10
Decimal
28493018
12
Duodecimal
9661022
16
Hexadecimal
1b2c4da
20
Vigesimal
8i1cai
36
Base36
gypcq
md5
ab0fa7b6d2e31a83fadad715ae885a98
sha1
8d795233ef4a2146dccb880d131cac504ee32e92
sha256
8620765168a22f5e8696a1387a724e39f6e72c2c00f67eb403652bacc7b5a51d
sha512
156307b38c4205e54b8a99b041d5ecd6bdf22efc77790f82127b83e48874d3b573638f16137a07b3080bf7ef50d9f3c3a00df2c48661accbeebea90173c4b63b
ripemd-160
6a70489cc82cdd84c127e382d5c8a8aa20ebee38
Diameter
56986036
Circumference
179026912.0548
Area
2.550508513831E+15
Volume
9.6895579991652E+22
Surface area
1.0202034055324E+16
Circumference
179026912.0548
Perimeter
113972072
Area
811852074748324
Diagonal
40295212.488541
Surface area
4871112448489944
Volume
2.3132115779141E+22
Space diagonal
49351354.836975
Perimeter
85479054
Area
3.5154226042358E+14
Altitude
24675677.418487
Surface area
3.5154226042358E+14
Volume
2.7261459884372E+21
Height
13431737.49618