1288506989 is an odd 10-digits composite number following 1288506988
and preceding 1288506990 . In scientific notation, it is written as 1.288506989 × 10^9.
The sum of its digits is 56. It has a total of 4 prime factors and 12 positive divisors.
There are 960165360 positive integers (up to 1288506989) that are relatively prime to 1288506989.
1288506989 has 12 divisors, whose sum is 1349762400
The reverse of 1288506989 is 9896058821
Previous prime number is 23
Is Prime? no Number parity odd Number length 10 Sum of Digits 56 Digital Root 2
Name
one billion two hundred eighty-eight million five hundred six thousand nine hundred eighty-nine
Scientific notation
1.288506989 × 10^9
Engineering notation
1.288506989 × 10^9
Prime Factorization
539 × 23 × 23 × 4519
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
56022043 Product of the distinct prime numbers
The prime factorization of 1288506989 is 539 × 23 × 23 × 4519.
Since it has a total of 4 prime factors.
9 , 1 , 21 , 24 , 154 , 713 , 7598 , 6824 , 19754 , 68604 , 203821 , 561842 , 4196101 , 4213252 , 44922259 , 47357076 , 469891752 , 713321672 , 9840066596 , 3326857405
n×2
2577013978
n×3
3865520967
n×4
5154027956
n×5
6442534945
n÷2
644253494.5
n÷3
429502329.66667
n÷3
322126747.25
n÷5
257701397.8
n2
1660250260701846121
n3
2.1392440644034E+27
n4
2.7564309281605E+36
n5
3.5516805156306E+45
2 √n35895.779543005
3 √n1088.1671042196
4 √n189.46181552757
5 √n66.376959609663
1 , 23 , 529 , 539 , 4519 , 12397 , 103937 , 285131 , 2390551 , 2435741 , 56022043 , 1288506989
12 divisors
τ Total Divisors
12 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-1288506988 Sum of the proper positive divisors of n
A Arithmetic Mean
0.083333333333333 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
12 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1288506989 can be divided by 12 positive divisors.
The sum of these divisors (counting 1288506989) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100110011010000111001101101
3
Ternary
10022210112221022002
4
Quaternary
1030303100321231
5
Quinary
10114324210424
6
Senary
331505102045
8
Octal
11463207155
10
Decimal
1288506989
12
Duodecimal
2bb627925
16
Hexadecimal
4ccd0e6d
20
Vigesimal
102d3799
36
Base36
lb56ct
md5
2e8f3117a324334c3d7a9477fe15a063
sha1
63b03f17c1efbaaf13bc507ec57ab28637154f56
sha256
b53249ce2aedd6a4c292b5dcfe9d7391717156fbf5e5a719a83cfe5692fc43b2
sha512
8966796199181510374983a956976c696e2a30f9e599c76e39b82114b967090eeeec2e536419ef598a5b84c0d6c84858e3a0abef83d4ec5ebc0e5c7a44704274
ripemd-160
cdb5f103aeacd52647d83f4e225c09dc0bd4f5a2
Diameter
2577013978
Circumference
8095928181.483
Area
5.2158300221415E+18
Volume
8.9608445826204E+27
Surface area
2.0863320088566E+19
Circumference
8095928181.483
Perimeter
5154027956
Area
1660250260701846121
Diagonal
1822224059.0563
Surface area
9.9615015642111E+18
Volume
2.1392440644034E+27
Space diagonal
2231759570.8556
Perimeter
3865520967
Area
7.1890945120377E+17
Altitude
1115879785.4278
Surface area
7.1890945120377E+17
Volume
2.5211233075879E+26
Height
607408019.68544