1388994808 is an even 10-digits composite number following 1388994807
and preceding 1388994809 . In scientific notation, it is written as 1.388994808 × 10^9.
The sum of its digits is 58. It has a total of 5 prime factors and 16 positive divisors.
There are 694262400 positive integers (up to 1388994808) that are relatively prime to 1388994808.
1388994808 has 16 divisors, whose sum is 2605246560
The reverse of 1388994808 is 8084998831
Previous prime number is 3121
Is Prime? no
Number parity even
Number length 10
Sum of Digits 58
Digital Root 4
Name
one billion three hundred eighty-eight million nine hundred ninety-four thousand eight hundred eight
Scientific notation
1.388994808 × 10^9
Engineering notation
1.388994808 × 10^9
Prime Factorization
2 × 2 × 2 × 3121 × 55631
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
347248702
Product of the distinct prime numbers
The prime factorization of 1388994808 is 2 × 2 × 2 × 3121 × 55631.
Since it has a total of 5 prime factors.
6 , 8 , 91 , 30 , 799 , 408 , 126 , 2019 , 41736 , 29873 , 787756 , 67782 , 2388605 , 2211072 , 91547142 , 39846937 , 239346792 , 88293410 , 948153113 , 354860939
n×2
2777989616
n×3
4166984424
n×4
5555979232
n×5
6944974040
n÷2
694497404
n÷3
462998269.33333
n÷3
347248702
n÷5
277798961.6
n2
1929306576650956864
n3
2.6797968180084E+27
n4
3.7222238667086E+36
n5
5.170149625072E+45
2 √n
37269.2206519
3 √n
1115.7499450465
4 √n
193.05237800115
5 √n
67.381414629362
1 , 2 , 4 , 8 , 3121 , 6242 , 12484 , 24968 , 55631 , 111262 , 222524 , 445048 , 173624351 , 347248702 , 694497404 , 1388994808
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1388994807
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1388994808 can be divided by 16 positive divisors.
The sum of these divisors (counting 1388994808) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010110010100110000011111000
3
Ternary
10120210122020200011
4
Quaternary
1102302212003320
5
Quinary
10321040313213
6
Senary
345454551304
8
Octal
12262460370
10
Decimal
1388994808
12
Duodecimal
329208534
16
Hexadecimal
52ca60f8
20
Vigesimal
11e14708
36
Base36
myyz94
md5
67d52b0241b8ffeaef01a0d4a9bc0110
sha1
e5e76296b6a468d86d68bb0391830dd0a2006899
sha256
b480fcc4265431faf1ba320440d1db717fe21986ab1b1bb30218c60906e716bf
sha512
249dc566d8f682e30a551ebf3f2092a5abc9837cdce89ab17107dc9420dc4342d9782afc721bc8cc69afcc8708456a7552b4682eae670cbaa47544ce02524c66
ripemd-160
c98adfd3cdf58a47aca3c3f70e85bab9e61b2309
Diameter
2777989616
Circumference
8727311769.3743
Area
6.0610953677291E+18
Volume
1.1225106662091E+28
Surface area
2.4244381470916E+19
Circumference
8727311769.3743
Perimeter
5555979232
Area
1929306576650956864
Diagonal
1964335295.5394
Surface area
1.1575839459906E+19
Volume
2.6797968180084E+27
Space diagonal
2405809578.9054
Perimeter
4166984424
Area
8.3541425353406E+17
Altitude
1202904789.4527
Surface area
8.3541425353406E+17
Volume
3.1581708370265E+26
Height
654778431.84647