2531389 is an odd 7-digits composite number following 2531388
and preceding 2531390 . In scientific notation, it is written as 2.531389 × 10^6.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 2054808 positive integers (up to 2531389) that are relatively prime to 2531389.
2531389 has 8 divisors, whose sum is 2720000
The reverse of 2531389 is 9831352
Previous prime number is 49
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 31
Digital Root 4
Name
two million five hundred thirty-one thousand three hundred eighty-nine
Scientific notation
2.531389 × 10^6
Engineering notation
2.531389 × 10^6
Prime Factorization
19 × 49 × 2719
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
2531389
Product of the distinct prime numbers
The prime factorization of 2531389 is 19 × 49 × 2719.
Since it has a total of 3 prime factors.
10 , 6 , 4 , 56 , 814 , 239 , 9596 , 7084 , 72104 , 18048 , 53846 , 216218 , 2112467 , 7865233 , 38799229 , 89313134 , 831822162 , 603186448 , 1125387684 , 13750023
n×2
5062778
n×3
7594167
n×4
10125556
n×5
12656945
n÷2
1265694.5
n÷3
843796.33333333
n÷3
632847.25
n÷5
506277.8
n2
6407930269321
n3
1.6220964196526E+19
n4
4.106157033648E+25
n5
1.0394280747249E+32
2 √n
1591.0339405556
3 √n
136.28653903169
4 √n
39.887766803315
5 √n
19.084104136482
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
-2531388
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 2531389 can be divided by 8 positive divisors.
The sum of these divisors (counting 2531389) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101010000000111101
3
Ternary
11202121102011
4
Quaternary
21222000331
5
Quinary
1122001024
6
Senary
130131221
8
Octal
11520075
10
Decimal
2531389
12
Duodecimal
a20b11
16
Hexadecimal
26a03d
20
Vigesimal
fg899
36
Base36
1i98d
md5
81cb87c8dde8c6a1be151a4d78942b1c
sha1
e8790fcfd66547df90c6f5dcd5f35b5a8ab9d863
sha256
20afdf2283e042807714d677bff8226a4a26140c4d145d465866c79fce1706ec
sha512
3b67c391859170c0c09ee1c1f578c683895dfc469434f1b30d13d4cfca5a809bee8336fa4357d9e694595e6db7fbd29bd9254d9a0974a82a31b4165e8021c858
ripemd-160
b727376f548a903ae40e7f8f22a2fe9c1a2cfd72
Diameter
5062778
Circumference
15905186.171556
Area
20131106658815
Volume
6.79462159386E+19
Surface area
80524426635258
Circumference
15905186.171556
Perimeter
10125556
Area
6407930269321
Diagonal
3579924.6554421
Surface area
38447581615926
Volume
1.6220964196526E+19
Space diagonal
4384494.361721
Perimeter
7594167
Area
2774715199455.6
Altitude
2192247.1808605
Surface area
2774715199455.6
Volume
1.911658963458E+18
Height
1193308.2184807