1388398906 is an even 10-digits composite number following 1388398905
and preceding 1388398907 . In scientific notation, it is written as 1.388398906 × 10^9.
The sum of its digits is 55. It has a total of 3 prime factors and 8 positive divisors.
There are 694126140 positive integers (up to 1388398906) that are relatively prime to 1388398906.
1388398906 has 8 divisors, whose sum is 2082818304
The reverse of 1388398906 is 6098938831
Previous prime number is 11171
Is Prime? no Number parity even Number length 10 Sum of Digits 55 Digital Root 1
Name
one billion three hundred eighty-eight million three hundred ninety-eight thousand nine hundred six
Scientific notation
1.388398906 × 10^9
Engineering notation
1.388398906 × 10^9
Prime Factorization
2 × 11171 × 62143
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
1388398906 Product of the distinct prime numbers
The prime factorization of 1388398906 is 2 × 11171 × 62143.
Since it has a total of 3 prime factors.
7 , 10 , 91 , 4 , 299 , 197 , 3888 , 516 , 34800 , 51193 , 17411 , 390260 , 9804948 , 2357338 , 68531432 , 46951557 , 828028948 , 417158619 , 634642589 , 9060766121
n×2
2776797812
n×3
4165196718
n×4
5553595624
n×5
6941994530
n÷2
694199453
n÷3
462799635.33333
n÷3
347099726.5
n÷5
277679781.2
n2
1927651522181996836
n3
2.6763492645467E+27
n4
3.7158403909706E+36
n5
5.1590687336942E+45
2 √n37261.22523482
3 √n1115.5903637619
4 √n193.03166899455
5 √n67.375632086223
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
-1388398905 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 1388398906 can be divided by 8 positive divisors.
The sum of these divisors (counting 1388398906) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010110000010100100100111010
3
Ternary
10120202111222020201
4
Quaternary
1102300110210322
5
Quinary
10320412231111
6
Senary
345434112414
8
Octal
12260244472
10
Decimal
1388398906
12
Duodecimal
328b7b70a
16
Hexadecimal
52c1493a
20
Vigesimal
11dh9h56
36
Base36
mym7ga
md5
cdf2a4b85c9a2eff5a947b8608fddd45
sha1
6cdd82a8317ba579035b7e7e0615578f54f5f8a0
sha256
fbc265228913dac769feedd088b8e0fbb6d9dd953ae53fb777ef17a91e908add
sha512
d07a9e33f8e208b466bf50b4742656c10bd7e7256a1e3255013f52b8e072965eb3b3a7ff62738fe321fceacddcd9d4df96351342120e97041301f7c157bce03a
ripemd-160
000b5a8d1b4fb062e058a29d8d9a18c02e5bbc93
Diameter
2776797812
Circumference
8723567606.6834
Area
6.0558958607681E+18
Volume
1.1210665583921E+28
Surface area
2.4223583443073E+19
Circumference
8723567606.6834
Perimeter
5553595624
Area
1927651522181996836
Diagonal
1963492562.8492
Surface area
1.1565909133092E+19
Volume
2.6763492645467E+27
Space diagonal
2404777446.365
Perimeter
4165196718
Area
8.3469759392668E+17
Altitude
1202388723.1825
Surface area
8.3469759392668E+17
Volume
3.1541078563077E+26
Height
654497520.94972