31820393 is an odd 8-digits composite number following 31820392
and preceding 31820394 . In scientific notation, it is written as 3.1820393 × 10^7.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 28927620 positive integers (up to 31820393) that are relatively prime to 31820393.
31820393 has 4 divisors, whose sum is 34713168
The reverse of 31820393 is 39302813
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
thirty-one million eight hundred twenty thousand three hundred ninety-three
Scientific notation
3.1820393 × 10^7
Engineering notation
3.1820393 × 10^6
Prime Factorization
11 × 2892763
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
31820393
Product of the distinct prime numbers
The prime factorization of 31820393 is 11 × 2892763.
Since it has a total of 2 prime factors.
7 , 1 , 72 , 78 , 183 , 83 , 1823 , 9446 , 71186 , 6779 , 583712 , 807872 , 7987070 , 6202828 , 6987076 , 82953927 , 776372395 , 216523721 , 5569507734 , 1590705613
n×2
63640786
n×3
95461179
n×4
127281572
n×5
159101965
n÷2
15910196.5
n÷3
10606797.666667
n÷3
7955098.25
n÷5
6364078.6
n2
1012537410674449
n3
3.2219338334863E+22
n4
1.0252320080153E+30
n5
3.2623285411227E+37
2 √n
5640.9567450921
3 √n
316.88511993273
4 √n
75.106302965145
5 √n
31.662201454945
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
-31820392
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 31820393 can be divided by 4 positive divisors.
The sum of these divisors (counting 31820393) is 1, the average is 0.25.
Base
System
Value
2
Binary
1111001011000101001101001
3
Ternary
2012212122101002
4
Quaternary
1321120221221
5
Quinary
31121223033
6
Senary
3054004345
8
Octal
171305151
10
Decimal
31820393
12
Duodecimal
a7a66b5
16
Hexadecimal
1e58a69
20
Vigesimal
9ihajd
36
Base36
iy0rt
md5
a9988648b87983c30641c6f81b5f5d05
sha1
7f4bd548d689b510e8f3ac0452f64b076b00bfe5
sha256
80dd5345314be19499b3f9f99434142000d2079f79545f01bad5a364af4a8fb1
sha512
e8b53f697debfa28db6eb0e405c7ba47f74503c9a76c886406ff307a9e0f859f0594dfa7c0ad4c0b58dcdc8de2cb91a4542205a1bfbcd867d22b0551d081df1c
ripemd-160
41a3d2271bfe0bba805a23bcb98a01d28bf207be
Diameter
63640786
Circumference
199933425.76628
Area
3.1809800908597E+15
Volume
1.3496004882177E+23
Surface area
1.2723920363439E+16
Circumference
199933425.76628
Perimeter
127281572
Area
1012537410674449
Diagonal
45000831.340642
Surface area
6075224464046694
Volume
3.2219338334863E+22
Space diagonal
55114537.392809
Perimeter
95461179
Area
4.3844155996309E+14
Altitude
27557268.696405
Surface area
4.3844155996309E+14
Volume
3.7970854369876E+21
Height
15000277.113547