1388406986 is an even 10-digits composite number following 1388406985
and preceding 1388406987 . In scientific notation, it is written as 1.388406986 × 10^9.
The sum of its digits is 53. It has a total of 3 prime factors and 8 positive divisors.
There are 693868140 positive integers (up to 1388406986) that are relatively prime to 1388406986.
1388406986 has 8 divisors, whose sum is 2083616544
The reverse of 1388406986 is 6896048831
Previous prime number is 2083
Is Prime? no Number parity even Number length 10 Sum of Digits 53 Digital Root 8
Name
one billion three hundred eighty-eight million four hundred six thousand nine hundred eighty-six
Scientific notation
1.388406986 × 10^9
Engineering notation
1.388406986 × 10^9
Prime Factorization
2 × 2083 × 333271
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
1388406986 Product of the distinct prime numbers
The prime factorization of 1388406986 is 2 × 2083 × 333271.
Since it has a total of 3 prime factors.
5 , 6 , 42 , 57 , 97 , 985 , 3782 , 8297 , 16134 , 74493 , 293311 , 360906 , 3874205 , 2070549 , 27053823 , 94383824 , 315723615 , 570958855 , 8190699968 , 5764104227
n×2
2776813972
n×3
4165220958
n×4
5553627944
n×5
6942034930
n÷2
694203493
n÷3
462802328.66667
n÷3
347101746.5
n÷5
277681397.2
n2
1927673958773604196
n3
2.6763959910915E+27
n4
3.7159268913339E+36
n5
5.1592188553932E+45
2 √n37261.333658365
3 √n1115.592527874
4 √n193.03194983827
5 √n67.375710506601
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
-1388406985 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 1388406986 can be divided by 8 positive divisors.
The sum of these divisors (counting 1388406986) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010110000010110100011001010
3
Ternary
10120202112101022222
4
Quaternary
1102300112203022
5
Quinary
10320413010421
6
Senary
345434214042
8
Octal
12260264312
10
Decimal
1388406986
12
Duodecimal
328b84322
16
Hexadecimal
52c168ca
20
Vigesimal
11dhah96
36
Base36
mymdoq
md5
b1784aa373237232432cc5b93cc13414
sha1
ee198f62f5ae573e65292bbedc7dc3d3dd771b78
sha256
6e421df3b94969e26b890a5ae893c98772ac028b98ab5e31ffd4da23877fd443
sha512
fd07a07994992ec085fecafb71ac38f9adc51b30bea693c86e2383c398b4bd7d4a3a2422637b8c2be4114b8b28a67b7e80eaf78b808ebef72c23a6332bca8c9b
ripemd-160
dbf6b349f02c517db26e98db6349e304a2ffbd2d
Diameter
2776813972
Circumference
8723618374.8207
Area
6.0559663473995E+18
Volume
1.1210861311614E+28
Surface area
2.4223865389598E+19
Circumference
8723618374.8207
Perimeter
5553627944
Area
1927673958773604196
Diagonal
1963503989.6948
Surface area
1.1566043752642E+19
Volume
2.6763959910915E+27
Space diagonal
2404791441.3356
Perimeter
4165220958
Area
8.3470730925583E+17
Altitude
1202395720.6678
Surface area
8.3470730925583E+17
Volume
3.1541629240689E+26
Height
654501329.89825