1388393943 is an odd 10-digits composite number following 1388393942
and preceding 1388393944 . In scientific notation, it is written as 1.388393943 × 10^9.
The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors.
There are 920799744 positive integers (up to 1388393943) that are relatively prime to 1388393943.
1388393943 has 8 divisors, whose sum is 1860784368
The reverse of 1388393943 is 3493938831
Previous prime number is 193
Is Prime? no Number parity odd Number length 10 Sum of Digits 51 Digital Root 6
Name
one billion three hundred eighty-eight million three hundred ninety-three thousand nine hundred forty-three
Scientific notation
1.388393943 × 10^9
Engineering notation
1.388393943 × 10^9
Prime Factorization
3 × 193 × 2397917
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
1388393943 Product of the distinct prime numbers
The prime factorization of 1388393943 is 3 × 193 × 2397917.
Since it has a total of 3 prime factors.
10 , 7 , 48 , 95 , 595 , 309 , 1087 , 7886 , 53533 , 98738 , 91132 , 238214 , 4987544 , 5045761 , 28506029 , 30893092 , 269011901 , 454656041 , 3940830489 , 1122072477
n×2
2776787886
n×3
4165181829
n×4
5553575772
n×5
6941969715
n÷2
694196971.5
n÷3
462797981
n÷3
347098485.75
n÷5
277678788.6
n2
1927637740959087249
n3
2.6763205638458E+27
n4
3.7157872603699E+36
n5
5.1589765257741E+45
2 √n37261.15863738
3 √n1115.5890344893
4 √n193.03149649055
5 √n67.375583917683
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
-1388393942 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 1388393943 can be divided by 8 positive divisors.
The sum of these divisors (counting 1388393943) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010110000010011010111010111
3
Ternary
10120202111201102220
4
Quaternary
1102300103113113
5
Quinary
10320412101233
6
Senary
345434033423
8
Octal
12260232727
10
Decimal
1388393943
12
Duodecimal
328b78873
16
Hexadecimal
52c135d7
20
Vigesimal
11dh94h3
36
Base36
mym3mf
md5
587aae44afb1d4ae1dc5489cd17eab40
sha1
b0457d8e16aa13682c9d484df3be17db942c8e40
sha256
4474eba267460e5ebad0eee2c835678ebd920dfcf9f672f07a288f4bdfeade79
sha512
d266eaf5a8fad16a1f97fe20d27423a855dce7f0a8a4c8a0b7ee43c4ec963b64cd10fa0fab6a962451227b07ce2090151974419268a59b8be7aff7e8a2747fda
ripemd-160
43d63285692ef7c42eac016e14d4d1e3fb7343b3
Diameter
2776787886
Circumference
8723536423.2347
Area
6.0558525657795E+18
Volume
1.1210545362706E+28
Surface area
2.4223410263118E+19
Circumference
8723536423.2347
Perimeter
5553575772
Area
1927637740959087249
Diagonal
1963485544.1073
Surface area
1.1565826445755E+19
Volume
2.6763205638458E+27
Space diagonal
2404768850.1969
Perimeter
4165181829
Area
8.3469162648211E+17
Altitude
1202384425.0984
Surface area
8.3469162648211E+17
Volume
3.1540740322073E+26
Height
654495181.36909