28996887 is an odd 8-digits composite number following 28996886
and preceding 28996888 . In scientific notation, it is written as 2.8996887 × 10^7.
The sum of its digits is 57. It has a total of 3 prime factors and 8 positive divisors.
There are 19233720 positive integers (up to 28996887) that are relatively prime to 28996887.
28996887 has 8 divisors, whose sum is 38857600
The reverse of 28996887 is 78869982
Previous prime number is 199
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 57
Digital Root 3
Name
twenty-eight million nine hundred ninety-six thousand eight hundred eighty-seven
Scientific notation
2.8996887 × 10^7
Engineering notation
2.8996887 × 10^6
Prime Factorization
3 × 199 × 48571
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28996887
Product of the distinct prime numbers
The prime factorization of 28996887 is 3 × 199 × 48571.
Since it has a total of 3 prime factors.
2 , 5 , 87 , 97 , 158 , 998 , 8687 , 2198 , 13295 , 38650 , 298026 , 498617 , 976572 , 8543313 , 15865305 , 68400254 , 754080613 , 536249892 , 7896647409 , 611743508
n×2
57993774
n×3
86990661
n×4
115987548
n×5
144984435
n÷2
14498443.5
n÷3
9665629
n÷3
7249221.75
n÷5
5799377.4
n2
840819455690769
n3
2.4381146744067E+22
n4
7.0697735706812E+29
n5
2.0500142534463E+37
2 √n
5384.8757645836
3 √n
307.22068893121
4 √n
73.381712739508
5 √n
31.07923177321
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
-28996886
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 28996887 can be divided by 8 positive divisors.
The sum of these divisors (counting 28996887) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101110100111010100010111
3
Ternary
2000120012020210
4
Quaternary
1232213110113
5
Quinary
24410400022
6
Senary
2513300503
8
Octal
156472427
10
Decimal
28996887
12
Duodecimal
9864733
16
Hexadecimal
1ba7517
20
Vigesimal
914c47
36
Base36
h9i53
md5
06b58b24e1a180406a7ee22c4aa27f31
sha1
b770c1de58fc44da12cd8c91cb3dbe37a1aff7be
sha256
e7ccee093a0d01f612a59083bb10cf62a477f6833a9159b0ae89bdc35210ca74
sha512
fd70a7552034384d51293d6356e7aecd54bbe1e071f6d7a149633a756ec8646f886003bc678063e2e2a79a195cafe4b3695dde3eda3e70bb0876beb335a83691
ripemd-160
4104bf9975f9c14ad8893e24d21bde23096530a4
Diameter
57993774
Circumference
182192814.35235
Area
2.6415122249935E+15
Volume
1.0212750866301E+23
Surface area
1.0566048899974E+16
Circumference
182192814.35235
Perimeter
115987548
Area
840819455690769
Diagonal
41007790.862
Surface area
5044916734144614
Volume
2.4381146744067E+22
Space diagonal
50224081.545333
Perimeter
86990661
Area
3.6408550431221E+14
Altitude
25112040.772667
Surface area
3.6408550431221E+14
Volume
2.8733456993057E+21
Height
13669263.620667