28013487 is an odd 8-digits composite number following 28013486
and preceding 28013488 . In scientific notation, it is written as 2.8013487 × 10^7.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 18643968 positive integers (up to 28013487) that are relatively prime to 28013487.
28013487 has 8 divisors, whose sum is 37414704
The reverse of 28013487 is 78431082
Previous prime number is 613
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-eight million thirteen thousand four hundred eighty-seven
Scientific notation
2.8013487 × 10^7
Engineering notation
2.8013487 × 10^6
Prime Factorization
3 × 613 × 15233
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28013487
Product of the distinct prime numbers
The prime factorization of 28013487 is 3 × 613 × 15233.
Since it has a total of 3 prime factors.
7 , 7 , 17 , 90 , 758 , 511 , 5469 , 9875 , 63808 , 24103 , 393977 , 48760 , 1148363 , 2875559 , 6940612 , 19208594 , 890274283 , 391264291 , 772697398 , 8521952203
n×2
56026974
n×3
84040461
n×4
112053948
n×5
140067435
n÷2
14006743.5
n÷3
9337829
n÷3
7003371.75
n÷5
5602697.4
n2
784755453899169
n3
2.1983736705983E+22
n4
6.1584112242449E+29
n5
1.7251857277104E+37
2 √n
5292.776870415
3 √n
303.70764468946
4 √n
72.751473321267
5 √n
30.865508360068
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
-28013486
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 28013487 can be divided by 8 positive divisors.
The sum of these divisors (counting 28013487) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101010110111001110101111
3
Ternary
1221201020021120
4
Quaternary
1222313032233
5
Quinary
24132412422
6
Senary
2440232023
8
Octal
152671657
10
Decimal
28013487
12
Duodecimal
946b613
16
Hexadecimal
1ab73af
20
Vigesimal
8f1de7
36
Base36
gofcf
md5
4a90c89469dafc8335f5c7b6bfb36d40
sha1
0caa1cca3fa696ff7f8c837719c3b23e897e8388
sha256
f079653c63fd64f27ab2318f0c579703829a6089f06d1e07f787a487d09ecbfa
sha512
566ad7f3a036e648c9de88a11bff8c9221939e232d23cebe1f20a137edd5ee5d33f896591acfff40f68b0d2eaff2020f0f6c8b56dea14b6552cf866e82f7031c
ripemd-160
eff80ff0861d7bfa23972b7647b6631e7b1ff0e5
Diameter
56026974
Circumference
176013929.92127
Area
2.4653819688342E+15
Volume
9.2085260978627E+22
Surface area
9.8615278753366E+15
Circumference
176013929.92127
Perimeter
112053948
Area
784755453899169
Diagonal
39617053.244762
Surface area
4708532723395014
Volume
2.1983736705983E+22
Space diagonal
48520782.78117
Perimeter
84040461
Area
3.3980907941753E+14
Altitude
24260391.390585
Surface area
3.3980907941753E+14
Volume
2.5908082167701E+21
Height
13205684.414921