1388392379 is an odd 10-digits composite number following 1388392378
and preceding 1388392380 . In scientific notation, it is written as 1.388392379 × 10^9.
The sum of its digits is 53. It has a total of 2 prime factors and 4 positive divisors.
There are 1262174880 positive integers (up to 1388392379) that are relatively prime to 1388392379.
1388392379 has 4 divisors, whose sum is 1514609880
The reverse of 1388392379 is 9732938831
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 53
Digital Root 8
Name
one billion three hundred eighty-eight million three hundred ninety-two thousand three hundred seventy-nine
Scientific notation
1.388392379 × 10^9
Engineering notation
1.388392379 × 10^9
Prime Factorization
11 × 126217489
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1388392379
Product of the distinct prime numbers
The prime factorization of 1388392379 is 11 × 126217489.
Since it has a total of 2 prime factors.
9 , 1 , 31 , 32 , 846 , 696 , 8522 , 979 , 8923 , 57298 , 268239 , 996330 , 8199616 , 443265 , 24223739 , 76224644 , 851148392 , 446994381 , 5855690641 , 4347620253
n×2
2776784758
n×3
4165177137
n×4
5553569516
n×5
6941961895
n÷2
694196189.5
n÷3
462797459.66667
n÷3
347098094.75
n÷5
277678475.8
n2
1927633398065279641
n3
2.6763115193797E+27
n4
3.7157705173367E+36
n5
5.1589474683832E+45
2 √n
37261.137650372
3 √n
1115.5886155924
4 √n
193.03144212892
5 √n
67.375568738207
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1388392378
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1388392379 can be divided by 4 positive divisors.
The sum of these divisors (counting 1388392379) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010010110000010010111110111011
3
Ternary
10120202111122021222
4
Quaternary
1102300102332323
5
Quinary
10320412024004
6
Senary
345434022255
8
Octal
12260227673
10
Decimal
1388392379
12
Duodecimal
328b7798b
16
Hexadecimal
52c12fbb
20
Vigesimal
11dh90ij
36
Base36
mym2ez
md5
d68ddfcacc53163552f6286411c58900
sha1
bd1483fa580e30e30cd6b0f697f34c2bbdaf9e24
sha256
a970bae65a0fd617facc6bfd3e61183af25c611d43b4428c5339f9bf9655457a
sha512
e7942110e2c3c6959400332fcc374b7e759ea311bcb0680b70f78f6d6f3df79d221400911a9e4e93dc789f2bf91db825429794422344c6639a8a73c260fc67c2
ripemd-160
dcc8a940cd6c58b3d9974a40fc4a441ea189771a
Diameter
2776784758
Circumference
8723526596.3329
Area
6.0558389221762E+18
Volume
1.1210507477335E+28
Surface area
2.4223355688705E+19
Circumference
8723526596.3329
Perimeter
5553569516
Area
1927633398065279641
Diagonal
1963483332.2772
Surface area
1.1565800388392E+19
Volume
2.6763115193797E+27
Space diagonal
2404766141.2694
Perimeter
4165177137
Area
8.3468974595393E+17
Altitude
1202383070.6347
Surface area
8.3468974595393E+17
Volume
3.1540633732018E+26
Height
654494444.09242