31393886 is an even 8-digits composite number following 31393885
and preceding 31393887 . In scientific notation, it is written as 3.1393886 × 10^7.
The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors.
There are 15052800 positive integers (up to 31393886) that are relatively prime to 31393886.
31393886 has 16 divisors, whose sum is 49051008
The reverse of 31393886 is 68839313
Previous prime number is 31
Is Prime? no Number parity even Number length 8 Sum of Digits 41 Digital Root 5
Name
thirty-one million three hundred ninety-three thousand eight hundred eighty-six
Scientific notation
3.1393886 × 10^7
Engineering notation
3.1393886 × 10^6
Prime Factorization
2 × 113 × 31 × 4481
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
31393886 Product of the distinct prime numbers
The prime factorization of 31393886 is 2 × 113 × 31 × 4481.
Since it has a total of 4 prime factors.
4 , 9 , 6 , 43 , 244 , 349 , 393 , 5600 , 36801 , 33567 , 201334 , 469664 , 1462029 , 8161366 , 20321859 , 76228918 , 420197394 , 486455526 , 340249455 , 7309126154
n×2
62787772
n×3
94181658
n×4
125575544
n×5
156969430
n÷2
15696943
n÷3
10464628.666667
n÷3
7848471.5
n÷5
6278777.2
n2
985576078180996
n3
3.0941063042741E+22
n4
9.7136020588263E+29
n5
3.0494771568416E+37
2 √n5603.0247188461
3 √n315.46294907746
4 √n74.853354760131
5 √n31.576865363132
1 , 2 , 31 , 62 , 113 , 226 , 3503 , 4481 , 7006 , 8962 , 138911 , 277822 , 506353 , 1012706 , 15696943 , 31393886
16 divisors
τ Total Divisors
16 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-31393885 Sum of the proper positive divisors of n
A Arithmetic Mean
0.0625 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
16 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31393886 can be divided by 16 positive divisors.
The sum of these divisors (counting 31393886) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110111110000100001011110
3
Ternary
2012001222022112
4
Quaternary
1313300201132
5
Quinary
31014101021
6
Senary
3040514022
8
Octal
167604136
10
Decimal
31393886
12
Duodecimal
a61b912
16
Hexadecimal
1df085e
20
Vigesimal
9g44e6
36
Base36
iovoe
md5
420fd40df291e7846cfaf05b790595c8
sha1
6c776b46820534e8449625e9b6dc1b8351690f58
sha256
c5eb8882442f6b5a66224b0e0878bf2c16cc94de940d069593792b0a34cedc2a
sha512
8df1b41d10eddd2f7f6181603504637d6951dd7964817e68d3f42e0acec576b73f1f08117abd2bbe339fceccb3a6daf4da77b41a21992e2950ebe00e68eb4486
ripemd-160
e5611ec7d0dda0767af535be47a32a0d2f319387
Diameter
62787772
Circumference
197253603.25047
Area
3.0962785667673E+15
Volume
1.2960562179911E+23
Surface area
1.2385114267069E+16
Circumference
197253603.25047
Perimeter
125575544
Area
985576078180996
Diagonal
44397659.356795
Surface area
5913456469085976
Volume
3.0941063042741E+22
Space diagonal
54375805.599025
Perimeter
94181658
Area
4.2676696053349E+14
Altitude
27187902.799513
Surface area
4.2676696053349E+14
Volume
3.6464392491071E+21
Height
14799219.785598