1389145 is an odd 7-digits composite number following 1389144
and preceding 1389146 . In scientific notation, it is written as 1.389145 × 10^6.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 1111312 positive integers (up to 1389145) that are relatively prime to 1389145.
1389145 has 4 divisors, whose sum is 1666980
The reverse of 1389145 is 5419831
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 31
Digital Root 4
Name
one million three hundred eighty-nine thousand one hundred forty-five
Scientific notation
1.389145 × 10^6
Engineering notation
1.389145 × 10^6
Prime Factorization
5 × 277829
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1389145
Product of the distinct prime numbers
The prime factorization of 1389145 is 5 × 277829.
Since it has a total of 2 prime factors.
4 , 5 , 39 , 23 , 631 , 267 , 3016 , 6879 , 57304 , 92923 , 588864 , 787543 , 8915463 , 2033601 , 71305122 , 20519155 , 200593266 , 396180635 , 7949283537 , 5991668432
n×2
2778290
n×3
4167435
n×4
5556580
n×5
6945725
n÷2
694572.5
n÷3
463048.33333333
n÷3
347286.25
n÷5
277829
n2
1929723831025
n3
2680666211249223625
n4
3.7238340640258E+24
n5
5.1729454708711E+30
2 √n
1178.6199557109
3 √n
111.5790158942
4 √n
34.331034876783
5 √n
16.925812128188
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1389144
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1389145 can be divided by 4 positive divisors.
The sum of these divisors (counting 1389145) is 1, the average is 0.25.
Base
System
Value
2
Binary
101010011001001011001
3
Ternary
2121120112211
4
Quaternary
11103021121
5
Quinary
323423040
6
Senary
45435121
8
Octal
5231131
10
Decimal
1389145
12
Duodecimal
56baa1
16
Hexadecimal
153259
20
Vigesimal
8dch5
36
Base36
trvd
md5
842ba841b9880ad83957671eca60d8eb
sha1
ccff0466888b0304e4bc48e89a440d71dae1c27f
sha256
803fc435c6286c716e3f3ecd600c5ae349b94aae26e60bc59a36defc0bb523da
sha512
99dea21699a72953a1852370a7c688665da263bfa81e172a4f6b18257135eaab2a26b1c561be0e1971e303abda3da1b425b61fbbc5cb0d0e6fac5caa6f1c8c1e
ripemd-160
92049faa2fff60c18aa8d6e7de467a59a0e5bd20
Diameter
2778290
Circumference
8728255.453542
Area
6062406211005.3
Volume
1.1228748367983E+19
Surface area
24249624844021
Circumference
8728255.453542
Perimeter
5556580
Area
1929723831025
Diagonal
1964547.6991028
Surface area
11578342986150
Volume
2680666211249223625
Space diagonal
2406069.7190803
Perimeter
4167435
Area
835594929977.94
Altitude
1203034.8595401
Surface area
835594929977.94
Volume
3.1591954267866E+17
Height
654849.23303426