1388256938 is an even 10-digits composite number following 1388256937
and preceding 1388256939 . In scientific notation, it is written as 1.388256938 × 10^9.
The sum of its digits is 53. It has a total of 2 prime factors and 4 positive divisors.
There are 694128468 positive integers (up to 1388256938) that are relatively prime to 1388256938.
1388256938 has 4 divisors, whose sum is 2082385410
The reverse of 1388256938 is 8396528831
Previous prime number is 2
Is Prime? no
Number parity even
Number length 10
Sum of Digits 53
Digital Root 8
Name
one billion three hundred eighty-eight million two hundred fifty-six thousand nine hundred thirty-eight
Scientific notation
1.388256938 × 10^9
Engineering notation
1.388256938 × 10^9
Prime Factorization
2 × 694128469
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1388256938
Product of the distinct prime numbers
The prime factorization of 1388256938 is 2 × 694128469.
Since it has a total of 2 prime factors.
5 , 5 , 88 , 53 , 296 , 473 , 4874 , 4981 , 3569 , 47356 , 59802 , 619341 , 2905188 , 2057685 , 18395070 , 52972352 , 519954012 , 113829519 , 1030748971 , 40752035
n×2
2776513876
n×3
4164770814
n×4
5553027752
n×5
6941284690
n÷2
694128469
n÷3
462752312.66667
n÷3
347064234.5
n÷5
277651387.6
n2
1927257325905135844
n3
2.6755283539991E+27
n4
3.714320800255E+36
n5
5.1564316209117E+45
2 √n
37259.320149461
3 √n
1115.5523382994
4 √n
193.02673428689
5 √n
67.374254157308
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
-1388256937
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 1388256938 can be divided by 4 positive divisors.
The sum of these divisors (counting 1388256938) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010010101111110001111010101010
3
Ternary
10120202020202111122
4
Quaternary
1102233301322222
5
Quinary
10320343210223
6
Senary
345431055242
8
Octal
12257617252
10
Decimal
1388256938
12
Duodecimal
328b11522
16
Hexadecimal
52bf1eaa
20
Vigesimal
11dgc26i
36
Base36
myj5wq
md5
36e854586e74a1cd67bd7d570443799c
sha1
f1b2df3e2848311d46a70aca6dce649e9ef4b388
sha256
cbdc1a115f0295dfed6899e47b9f66c230fbd582f3d20c5c0d07f6a22ef8d46b
sha512
b932d539dfab84ffcf4746b8044bc3aa90908f09445bc12f3a6a113716d9fc05d4b3aecced6501b622e4c37add341a9e6475f0ecc0169e73584d1ff39f262d9c
ripemd-160
345fb6f9743776572421fbf6161eb5b4a15a20ea
Diameter
2776513876
Circumference
8722675595.4317
Area
6.0546574566407E+18
Volume
1.120722696186E+28
Surface area
2.4218629826563E+19
Circumference
8722675595.4317
Perimeter
5553027752
Area
1927257325905135844
Diagonal
1963291789.7781
Surface area
1.1563543955431E+19
Volume
2.6755283539991E+27
Space diagonal
2404531550.576
Perimeter
4164770814
Area
8.3452690193176E+17
Altitude
1202265775.288
Surface area
8.3452690193176E+17
Volume
3.1531404039494E+26
Height
654430596.59272