1388398898 is an even 10-digits composite number following 1388398897
and preceding 1388398899 . In scientific notation, it is written as 1.388398898 × 10^9.
The sum of its digits is 65. It has a total of 2 prime factors and 4 positive divisors.
There are 694199448 positive integers (up to 1388398898) that are relatively prime to 1388398898.
1388398898 has 4 divisors, whose sum is 2082598350
The reverse of 1388398898 is 8988938831
Previous prime number is 2
Is Prime? no
Number parity even
Number length 10
Sum of Digits 65
Digital Root 2
Name
one billion three hundred eighty-eight million three hundred ninety-eight thousand eight hundred ninety-eight
Scientific notation
1.388398898 × 10^9
Engineering notation
1.388398898 × 10^9
Prime Factorization
2 × 694199449
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1388398898
Product of the distinct prime numbers
The prime factorization of 1388398898 is 2 × 694199449.
Since it has a total of 2 prime factors.
2 , 6 , 96 , 61 , 877 , 885 , 2949 , 7224 , 34914 , 69290 , 868638 , 634235 , 6310871 , 3005951 , 12662726 , 46578061 , 899841130 , 64331026 , 1130694850 , 7037906457
n×2
2776797796
n×3
4165196694
n×4
5553595592
n×5
6941994490
n÷2
694199449
n÷3
462799632.66667
n÷3
347099724.5
n÷5
277679779.6
n2
1927651499967614404
n3
2.6763492182831E+27
n4
3.7158403053274E+36
n5
5.1590685850605E+45
2 √n
37261.22512747
3 √n
1115.5903616192
4 √n
193.03166871648
5 √n
67.375632008578
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
-1388398897
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 1388398898 can be divided by 4 positive divisors.
The sum of these divisors (counting 1388398898) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010010110000010100100100110010
3
Ternary
10120202111222020102
4
Quaternary
1102300110210302
5
Quinary
10320412231043
6
Senary
345434112402
8
Octal
12260244462
10
Decimal
1388398898
12
Duodecimal
328b7b702
16
Hexadecimal
52c14932
20
Vigesimal
11dh9h4i
36
Base36
mym7g2
md5
0cbf43015b0ea7bcb7bd2472a80e93e3
sha1
377e4d182cf2932b58c09ccbce755104722e6fda
sha256
074377adf4e2b32ba063ab44b5e8aac132dbabb04031b4d47c6e738a1d23bceb
sha512
947c21aa0f3a65d0fb273561f9aab548702b10e6049072eb1627a43bbda92f60ce3cbf82b4e1cf5d075e3c4546a02c78b9fda5aee86ef60b982e2d9946628ae9
ripemd-160
0c99c9e97c918800a8f33302b87ffb1244b1142c
Diameter
2776797796
Circumference
8723567556.4179
Area
6.0558957909796E+18
Volume
1.1210665390132E+28
Surface area
2.4223583163918E+19
Circumference
8723567556.4179
Perimeter
5553595592
Area
1927651499967614404
Diagonal
1963492551.5355
Surface area
1.1565908999806E+19
Volume
2.6763492182831E+27
Space diagonal
2404777432.5086
Perimeter
4165196694
Area
8.3469758430757E+17
Altitude
1202388716.2543
Surface area
8.3469758430757E+17
Volume
3.1541078017855E+26
Height
654497517.17849