1388338979 is an odd 10-digits composite number following 1388338978
and preceding 1388338980 . In scientific notation, it is written as 1.388338979 × 10^9.
The sum of its digits is 59. It has a total of 3 prime factors and 8 positive divisors.
There are 1355475240 positive integers (up to 1388338979) that are relatively prime to 1388338979.
1388338979 has 8 divisors, whose sum is 1421230272
The reverse of 1388338979 is 9798338831
Previous prime number is 3011
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 59
Digital Root 5
Name
one billion three hundred eighty-eight million three hundred thirty-eight thousand nine hundred seventy-nine
Scientific notation
1.388338979 × 10^9
Engineering notation
1.388338979 × 10^9
Prime Factorization
43 × 3011 × 10723
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1388338979
Product of the distinct prime numbers
The prime factorization of 1388338979 is 43 × 3011 × 10723.
Since it has a total of 3 prime factors.
4 , 9 , 35 , 39 , 971 , 71 , 962 , 7010 , 83411 , 70451 , 809870 , 90068 , 8381675 , 8333151 , 13856152 , 28552851 , 355370290 , 995636377 , 1671424167 , 1348019762
n×2
2776677958
n×3
4165016937
n×4
5553355916
n×5
6941694895
n÷2
694169489.5
n÷3
462779659.66667
n÷3
347084744.75
n÷5
277667795.8
n2
1927485120610762441
n3
2.6760027243864E+27
n4
3.7151988901759E+36
n5
5.1579554339687E+45
2 √n
37260.42107921
3 √n
1115.5743129124
4 √n
193.02958602041
5 √n
67.375050453783
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
-1388338978
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 1388338979 can be divided by 8 positive divisors.
The sum of these divisors (counting 1388338979) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010110000000101111100100011
3
Ternary
10120202101221001012
4
Quaternary
1102300011330203
5
Quinary
10320403321404
6
Senary
345432531135
8
Octal
12260057443
10
Decimal
1388338979
12
Duodecimal
328b50aab
16
Hexadecimal
52c05f23
20
Vigesimal
11dh278j
36
Base36
mykx7n
md5
d4bb43933a37d3d0759055059865a887
sha1
e9e46bddf525af59356234928e9325dacf7a0ea0
sha256
a0ea2a6663b362c1a91c031e28ef91f1f738e20b44e50cc7606f8741269846d6
sha512
d493ffbfc95af1192aeca3b599a615c02e4eea7acde83d59f0a9e167379daded8a36af097930b5c168f908c8c2cdeaa123f68f69b6c48fc0a037f8ffedfdc5f3
ripemd-160
1c02c745bcfe522379c0e73940099ec0b0f625ea
Diameter
2776677958
Circumference
8723191074.2375
Area
6.0553730948144E+18
Volume
1.1209213999892E+28
Surface area
2.4221492379258E+19
Circumference
8723191074.2375
Perimeter
5553355916
Area
1927485120610762441
Diagonal
1963407813.273
Surface area
1.1564910723665E+19
Volume
2.6760027243864E+27
Space diagonal
2404673649.7563
Perimeter
4165016937
Area
8.3462553993272E+17
Altitude
1202336824.8782
Surface area
8.3462553993272E+17
Volume
3.1536994548122E+26
Height
654469271.09101