28995789 is an odd 8-digits composite number following 28995788
and preceding 28995790 . In scientific notation, it is written as 2.8995789 × 10^7.
The sum of its digits is 57. It has a total of 3 prime factors and 8 positive divisors.
There are 19315296 positive integers (up to 28995789) that are relatively prime to 28995789.
28995789 has 8 divisors, whose sum is 38691520
The reverse of 28995789 is 98759982
Previous prime number is 6007
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 57
Digital Root 3
Name
twenty-eight million nine hundred ninety-five thousand seven hundred eighty-nine
Scientific notation
2.8995789 × 10^7
Engineering notation
2.8995789 × 10^6
Prime Factorization
3 × 6007 × 1609
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28995789
Product of the distinct prime numbers
The prime factorization of 28995789 is 3 × 6007 × 1609.
Since it has a total of 3 prime factors.
8 , 9 , 99 , 3 , 157 , 340 , 7299 , 9350 , 26590 , 43841 , 835732 , 712264 , 5844669 , 3432185 , 82697834 , 92016588 , 503411862 , 797482811 , 9294835624 , 6070079056
n×2
57991578
n×3
86987367
n×4
115983156
n×5
144978945
n÷2
14497894.5
n÷3
9665263
n÷3
7248947.25
n÷5
5799157.8
n2
840755779732521
n3
2.4378377189655E+22
n4
7.0687028115364E+29
n5
2.0496261522702E+37
2 √n
5384.7738114056
3 √n
307.21681112903
4 √n
73.381018059207
5 √n
31.078996399575
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
-28995788
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 28995789 can be divided by 8 positive divisors.
The sum of these divisors (counting 28995789) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101110100111000011001101
3
Ternary
2000120010202010
4
Quaternary
1232213003031
5
Quinary
24410331124
6
Senary
2513251433
8
Octal
156470315
10
Decimal
28995789
12
Duodecimal
9863b79
16
Hexadecimal
1ba70cd
20
Vigesimal
914999
36
Base36
h9hal
md5
e481243463d5c41b2f46a744c45488a6
sha1
e16db582f21810c14171ef273cf57f0a601e3b8f
sha256
40d88df1a2e61692309a83cc74f3295b835a382b45e16e4d25294865e24b90e2
sha512
3c377642f6aa34cbfabe94b4f8bb8510779f08e65ab56334ead23ba745b6eb6a806a2005c5bbe373742608d7e1eb4577c87f902f90609ca955bf1ab8e6eb07f9
ripemd-160
cde36e2e1431cfbd0352663b38adb3a23fb2468a
Diameter
57991578
Circumference
182185915.41488
Area
2.6413121810708E+15
Volume
1.0211590758061E+23
Surface area
1.0565248724283E+16
Circumference
182185915.41488
Perimeter
115983156
Area
840755779732521
Diagonal
41006238.055509
Surface area
5044534678395126
Volume
2.4378377189655E+22
Space diagonal
50222179.753547
Perimeter
86987367
Area
3.6405793181348E+14
Altitude
25111089.876773
Surface area
3.6405793181348E+14
Volume
2.873019304188E+21
Height
13668746.018503