1388406979 is an odd 10-digits prime number following 1388406978
and preceding 1388406980 . In scientific notation, it is written as 1.388406979 × 10^9.
The sum of its digits is 55. It has a total of 1 prime factors and 2 positive divisors.
There are 1388406978 positive integers (up to 1388406979) that are relatively prime to 1388406979.
1388406979 has 2 divisors, whose sum is 1388406980
The reverse of 1388406979 is 9796048831
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 10
Sum of Digits 55
Digital Root 1
Name
one billion three hundred eighty-eight million four hundred six thousand nine hundred seventy-nine
Scientific notation
1.388406979 × 10^9
Engineering notation
1.388406979 × 10^9
Prime Factorization
1388406979
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
1388406979
Product of the distinct prime numbers
The prime factorization of 1388406979 is 1388406979.
Since it has a total of 1 prime factors.
4 , 3 , 66 , 20 , 864 , 170 , 5747 , 2524 , 10783 , 45761 , 866220 , 488186 , 2165494 , 7796210 , 30131214 , 89807967 , 146179476 , 446813157 , 126764362 , 492778915
n×2
2776813958
n×3
4165220937
n×4
5553627916
n×5
6942034895
n÷2
694203489.5
n÷3
462802326.33333
n÷3
347101744.75
n÷5
277681395.8
n2
1927673939335906441
n3
2.6763959506104E+27
n4
3.7159268163948E+36
n5
5.1592187253358E+45
2 √n
37261.333564434
3 √n
1115.5925259991
4 √n
193.03194959497
5 √n
67.375710438663
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
1388406980
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
694203490
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
37261.333577853
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999985595
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1388406979 can be divided by 2 positive divisors.
The sum of these divisors (counting 1388406979) is 1388406980, the average is 694203490.
Base
System
Value
2
Binary
1010010110000010110100011000011
3
Ternary
10120202112101022201
4
Quaternary
1102300112203003
5
Quinary
10320413010404
6
Senary
345434214031
8
Octal
12260264303
10
Decimal
1388406979
12
Duodecimal
328b84317
16
Hexadecimal
52c168c3
20
Vigesimal
11dhah8j
36
Base36
mymdoj
md5
e778c3e2e4104de5acbf25a15c073eae
sha1
3090339631418ba2052bf8a28b4c216cee798a8d
sha256
3bc81d73720a787c77c37e51329052ef842cad0483fac1ed6ce3ecfbc5730cbd
sha512
9c1b442cfe2c3dc40fb51814ebf700908cab4383b5707f69e5ee9d35669a2afc6b2928e98aed5e5f8b9bf02b82c73ae5ba9a8ffe7bb25592e4799341ce402103
ripemd-160
faf4def5f24389181df42e27719721b3380c1f3c
Diameter
2776813958
Circumference
8723618330.8384
Area
6.0559662863342E+18
Volume
1.1210861142047E+28
Surface area
2.4223865145337E+19
Circumference
8723618330.8384
Perimeter
5553627916
Area
1927673939335906441
Diagonal
1963503979.7953
Surface area
1.1566043636015E+19
Volume
2.6763959506104E+27
Space diagonal
2404791429.2112
Perimeter
4165220937
Area
8.3470730083906E+17
Altitude
1202395714.6056
Surface area
8.3470730083906E+17
Volume
3.1541628763614E+26
Height
654501326.59842