1386989781 is an odd 10-digits composite number following 1386989780
and preceding 1386989782 . In scientific notation, it is written as 1.386989781 × 10^9.
The sum of its digits is 60. It has a total of 3 prime factors and 8 positive divisors.
There are 917910240 positive integers (up to 1386989781) that are relatively prime to 1386989781.
1386989781 has 8 divisors, whose sum is 1862818944
The reverse of 1386989781 is 1879896831
Previous prime number is 137
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 60
Digital Root 6
Name
one billion three hundred eighty-six million nine hundred eighty-nine thousand seven hundred eighty-one
Scientific notation
1.386989781 × 10^9
Engineering notation
1.386989781 × 10^9
Prime Factorization
3 × 137 × 3374671
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1386989781
Product of the distinct prime numbers
The prime factorization of 1386989781 is 3 × 137 × 3374671.
Since it has a total of 3 prime factors.
10 , 8 , 3 , 59 , 419 , 214 , 7933 , 5845 , 50510 , 32354 , 135933 , 464219 , 1881741 , 9580253 , 78333798 , 23169188 , 837092046 , 735722256 , 652398537 , 5679309631
n×2
2773979562
n×3
4160969343
n×4
5547959124
n×5
6934948905
n÷2
693494890.5
n÷3
462329927
n÷3
346747445.25
n÷5
277397956.2
n2
1923740652598427961
n3
2.6682086264483E+27
n4
3.7007780984598E+36
n5
5.1329414043124E+45
2 √n
37242.311703223
3 √n
1115.2128213545
4 √n
192.9826720284
5 √n
67.361950246828
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
-1386989780
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 1386989781 can be divided by 8 positive divisors.
The sum of these divisors (counting 1386989781) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010101010111100100011010101
3
Ternary
10120122212101021220
4
Quaternary
1102222330203111
5
Quinary
10320032133111
6
Senary
345344000553
8
Octal
12252744325
10
Decimal
1386989781
12
Duodecimal
328600159
16
Hexadecimal
52abc8d5
20
Vigesimal
11d8de91
36
Base36
mxs05x
md5
a50ba0f96697f4d533e72fa3f64abb88
sha1
33e92408a77bdf34bd5fda6219d3492058a0baf5
sha256
8199b35f75bfbf3f785a5cf860b2079de00abd3ff0e2dd8a7452a651945619d2
sha512
dbe076803252318f7ecd1d3d6184a6d143a5719b09fef7588c7429b4db1de039f870aa13f9e332e28bf34dbb74875e012ea5be6bac029d76548f64893aa127e3
ripemd-160
5462f3875d4b78aabb7b7e898b283972ca2e9056
Diameter
2773979562
Circumference
8714713813.1874
Area
6.0436095016153E+18
Volume
1.1176566158793E+28
Surface area
2.4174438006461E+19
Circumference
8714713813.1874
Perimeter
5547959124
Area
1923740652598427961
Diagonal
1961499759.1631
Surface area
1.1542443915591E+19
Volume
2.6682086264483E+27
Space diagonal
2402336770.2708
Perimeter
4160969343
Area
8.3300413772155E+17
Altitude
1201168385.1354
Surface area
8.3300413772155E+17
Volume
3.1445140223034E+26
Height
653833253.05436