1387388439 is an odd 10-digits composite number following 1387388438
and preceding 1387388440 . In scientific notation, it is written as 1.387388439 × 10^9.
The sum of its digits is 54. It has a total of 3 prime factors and 8 positive divisors.
There are 924925608 positive integers (up to 1387388439) that are relatively prime to 1387388439.
1387388439 has 8 divisors, whose sum is 2055390320
The reverse of 1387388439 is 9348837831
Previous prime number is 3
Is Prime? no Number parity odd Number length 10 Sum of Digits 54 Digital Root 9
Name
one billion three hundred eighty-seven million three hundred eighty-eight thousand four hundred thirty-nine
Scientific notation
1.387388439 × 10^9
Engineering notation
1.387388439 × 10^9
Prime Factorization
9 × 3 × 51384757
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
1387388439 Product of the distinct prime numbers
The prime factorization of 1387388439 is 9 × 3 × 51384757.
Since it has a total of 3 prime factors.
1 , 6 , 6 , 68 , 877 , 538 , 7167 , 6572 , 40182 , 49165 , 169674 , 30922 , 9180130 , 1023895 , 42460553 , 8525000 , 43306665 , 716938619 , 6363060364 , 5764269317
n×2
2774776878
n×3
4162165317
n×4
5549553756
n×5
6936942195
n÷2
693694219.5
n÷3
462462813
n÷3
346847109.75
n÷5
277477687.8
n2
1924846680670856721
n3
2.6705100316103E+27
n4
3.7050347440896E+36
n5
5.1403223700433E+45
2 √n37247.663537462
3 √n1115.3196584609
4 √n192.99653763076
5 √n67.365822127327
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
-1387388438 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 1387388439 can be divided by 8 positive divisors.
The sum of these divisors (counting 1387388439) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010101100011101111000010111
3
Ternary
10120200121122011000
4
Quaternary
1102230131320113
5
Quinary
10320132412224
6
Senary
345400314343
8
Octal
12254357027
10
Decimal
1387388439
12
Duodecimal
3287729b3
16
Hexadecimal
52b1de17
20
Vigesimal
11db3b1j
36
Base36
my0jrr
md5
2d0129498b0b88d02d15bf95fcd5108e
sha1
71c8d4d702f306934704b3bccc384c1a396e8dcb
sha256
5a3f75582b2a9a781d91c6837f857ae08009ee2429fd10280de8912690c7b152
sha512
bb5387f87cf7f598a0eb92192f8b25101e21d269dbc762b3ef55d43f3295d6f2f7844fa7447d69356a82531eebce1d104ffb534edaa122321770aa4493b80cc0
ripemd-160
69156aa76ceea8cef36844d5ca2df924e4bcacc4
Diameter
2774776878
Circumference
8717218655.2756
Area
6.0470841912823E+18
Volume
1.1186206262193E+28
Surface area
2.4188336765129E+19
Circumference
8717218655.2756
Perimeter
5549553756
Area
1924846680670856721
Diagonal
1962063546.7134
Surface area
1.1549080084025E+19
Volume
2.6705100316103E+27
Space diagonal
2403027266.1817
Perimeter
4162165317
Area
8.3348306192556E+17
Altitude
1201513633.0908
Surface area
8.3348306192556E+17
Volume
3.1472262542972E+26
Height
654021182.23781