28551491 is an odd 8-digits composite number following 28551490
and preceding 28551492 . In scientific notation, it is written as 2.8551491 × 10^7.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 28426584 positive integers (up to 28551491) that are relatively prime to 28551491.
28551491 has 4 divisors, whose sum is 28676400
The reverse of 28551491 is 19415582
Previous prime number is 229
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-eight million five hundred fifty-one thousand four hundred ninety-one
Scientific notation
2.8551491 × 10^7
Engineering notation
2.8551491 × 10^6
Prime Factorization
229 × 124679
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28551491
Product of the distinct prime numbers
The prime factorization of 28551491 is 229 × 124679.
Since it has a total of 2 prime factors.
4 , 1 , 46 , 67 , 878 , 65 , 652 , 5620 , 41631 , 79766 , 863047 , 467904 , 6942785 , 6602693 , 56719426 , 96629070 , 74585596 , 583198931 , 7571318906 , 7486381249
n×2
57102982
n×3
85654473
n×4
114205964
n×5
142757455
n÷2
14275745.5
n÷3
9517163.6666667
n÷3
7137872.75
n÷5
5710298.2
n2
815187638323081
n3
2.3274822518893E+22
n4
6.6453088567476E+29
n5
1.8973347601565E+37
2 √n
5343.3595237453
3 √n
305.63958234656
4 √n
73.098286736047
5 √n
30.983163479287
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
-28551490
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 28551491 can be divided by 4 positive divisors.
The sum of these divisors (counting 28551491) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101100111010100101000011
3
Ternary
1222201120021122
4
Quaternary
1230322211003
5
Quinary
24302121431
6
Senary
2455542455
8
Octal
154724503
10
Decimal
28551491
12
Duodecimal
968aa2b
16
Hexadecimal
1b3a943
20
Vigesimal
8i8ieb
36
Base36
gzygz
md5
204dfa4cc537a9d57fa4c8f3d5982b5d
sha1
5e309f01ab561f52ec1379c6d2dd8a13e9c68af4
sha256
a18ddcda8e6282b05331aba96e463bbcae98ab28664f6d228f78f43078ee2bce
sha512
430848166accd25486d7cd4d01da671018377bbf0eb378d556c7c04b3eb947cba0d94cd10b8527a030b308af068c24a79f2404aa54ccbd6e483dec8c4c9914ad
ripemd-160
566bfff8be226ba69c87202b140732eeff338d4e
Diameter
57102982
Circumference
179394308.74927
Area
2.560987495853E+15
Volume
9.7493348585279E+22
Surface area
1.0243949983412E+16
Circumference
179394308.74927
Perimeter
114205964
Area
815187638323081
Diagonal
40377905.798173
Surface area
4891125829938486
Volume
2.3274822518893E+22
Space diagonal
49452633.043846
Perimeter
85654473
Area
3.5298660181941E+14
Altitude
24726316.521923
Surface area
3.5298660181941E+14
Volume
2.7429641390037E+21
Height
13459301.932724