2831389 is an odd 7-digits composite number following 2831388
and preceding 2831390 . In scientific notation, it is written as 2.831389 × 10^6.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 2573980 positive integers (up to 2831389) that are relatively prime to 2831389.
2831389 has 4 divisors, whose sum is 3088800
The reverse of 2831389 is 9831382
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 34
Digital Root 7
Name
two million eight hundred thirty-one thousand three hundred eighty-nine
Scientific notation
2.831389 × 10^6
Engineering notation
2.831389 × 10^6
Prime Factorization
11 × 257399
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
2831389
Product of the distinct prime numbers
The prime factorization of 2831389 is 11 × 257399.
Since it has a total of 2 prime factors.
3 , 9 , 20 , 37 , 974 , 196 , 444 , 297 , 55995 , 91385 , 726879 , 647249 , 8457629 , 7781851 , 10933755 , 67403858 , 246692058 , 753852742 , 7576090785 , 5042171642
n×2
5662778
n×3
8494167
n×4
11325556
n×5
14156945
n÷2
1415694.5
n÷3
943796.33333333
n÷3
707847.25
n÷5
566277.8
n2
8016763669321
n3
2.2698576468915E+19
n4
6.4268499729745E+25
n5
1.819691231813E+32
2 √n
1682.6731708802
3 √n
141.47070360367
4 √n
41.020399448082
5 √n
19.516408872926
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
-2831388
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 2831389 can be divided by 4 positive divisors.
The sum of these divisors (counting 2831389) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010110011010000011101
3
Ternary
12022211221021
4
Quaternary
22303100131
5
Quinary
1211101024
6
Senary
140404141
8
Octal
12632035
10
Decimal
2831389
12
Duodecimal
b46651
16
Hexadecimal
2b341d
20
Vigesimal
hdi99
36
Base36
1oopp
md5
ae6ffbe4350e54b8c804e0aed7f5ede6
sha1
3f2dbff610da06830d272df60ee70709db851db4
sha256
74ea8dc26018b4984c5b1640428e5af3ac6373f5d5fa02d0c33d0f766dc8db0b
sha512
27506f1199e659904bd296801726cce03b85d737b821c88321d04d9e4b5fc8407396b7c8ab754153c567be9b10796e3cf7e1758bf2d3afe5dbb29be0efab05f0
ripemd-160
5564a67efbba50b3ead7815e6158e0b0ebf6b71d
Diameter
5662778
Circumference
17790141.76371
Area
25185405849104
Volume
9.5079574775587E+19
Surface area
1.0074162339642E+14
Circumference
17790141.76371
Perimeter
11325556
Area
8016763669321
Diagonal
4004188.724154
Surface area
48100582015926
Volume
2.2698576468915E+19
Space diagonal
4904109.6039916
Perimeter
8494167
Area
3471360496884.1
Altitude
2452054.8019958
Surface area
3471360496884.1
Volume
2.6750528907419E+18
Height
1334729.574718