31238081 is an odd 8-digits composite number following 31238080
and preceding 31238082 . In scientific notation, it is written as 3.1238081 × 10^7.
The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors.
There are 25694928 positive integers (up to 31238081) that are relatively prime to 31238081.
31238081 has 16 divisors, whose sum is 37171200
The reverse of 31238081 is 18083213
Previous prime number is 59
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
thirty-one million two hundred thirty-eight thousand eighty-one
Scientific notation
3.1238081 × 10^7
Engineering notation
3.1238081 × 10^6
Prime Factorization
7 × 43 × 59 × 1759
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
31238081
Product of the distinct prime numbers
The prime factorization of 31238081 is 7 × 43 × 59 × 1759.
Since it has a total of 4 prime factors.
9 , 1 , 40 , 71 , 775 , 392 , 5001 , 3131 , 55357 , 57773 , 283936 , 8541 , 7490449 , 2414296 , 27281871 , 35324494 , 734813781 , 170498897 , 2878141684 , 1035250937
n×2
62476162
n×3
93714243
n×4
124952324
n×5
156190405
n÷2
15619040.5
n÷3
10412693.666667
n÷3
7809520.25
n÷5
6247616.2
n2
975817704562561
n3
3.0482672496359E+22
n4
9.5222019253775E+29
n5
2.974553150433E+37
2 √n
5589.1037743094
3 √n
314.94021205079
4 √n
74.760308816306
5 √n
31.545460334991
1 , 7 , 43 , 59 , 301 , 413 , 1759 , 2537 , 12313 , 17759 , 75637 , 103781 , 529459 , 726467 , 4462583 , 31238081
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
-31238080
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 31238081 can be divided by 16 positive divisors.
The sum of these divisors (counting 31238081) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110111001010011111000001
3
Ternary
2011210001120222
4
Quaternary
1313022133001
5
Quinary
30444104311
6
Senary
3033312425
8
Octal
167123701
10
Decimal
31238081
12
Duodecimal
a565715
16
Hexadecimal
1dca7c1
20
Vigesimal
9f4f41
36
Base36
iljgh
md5
5e8333e67116912755fc07ced89c9de6
sha1
0fcb8836ac2a85a14c535d2abddc76d3a7dbe4fe
sha256
a9ba0d4e289c9bd34621cf35b7b127211e31c743d7023f5b6bf2d1a0735b4e11
sha512
658b6252195248ebeb33e28e8a5f60aafc0a96fe8b1dcf433f4eb40fd2ef494213f6555fd88a2944d4ebd5ccdb97f7a8e8c4d19eb3cff5f79aff31fd1ca25bc9
ripemd-160
3598e47cb19cea3f3eb7e17494f2956e5d8dd222
Diameter
62476162
Circumference
196274651.56369
Area
3.0656217318966E+15
Volume
1.2768551996846E+23
Surface area
1.2262486927586E+16
Circumference
196274651.56369
Perimeter
124952324
Area
975817704562561
Diagonal
44177317.812709
Surface area
5854906227375366
Volume
3.0482672496359E+22
Space diagonal
54105943.422952
Perimeter
93714243
Area
4.225414608069E+14
Altitude
27052971.711476
Surface area
4.225414608069E+14
Volume
3.5924174051441E+21
Height
14725772.604236