31542238 is an even 8-digits composite number following 31542237
and preceding 31542239 . In scientific notation, it is written as 3.1542238 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors.
There are 12478176 positive integers (up to 31542238) that are relatively prime to 31542238.
31542238 has 16 divisors, whose sum is 58232160
The reverse of 31542238 is 83224513
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
thirty-one million five hundred forty-two thousand two hundred thirty-eight
Scientific notation
3.1542238 × 10^7
Engineering notation
3.1542238 × 10^6
Prime Factorization
2 × 13 × 7 × 173309
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
31542238
Product of the distinct prime numbers
The prime factorization of 31542238 is 2 × 13 × 7 × 173309.
Since it has a total of 4 prime factors.
1 , 9 , 12 , 41 , 715 , 148 , 908 , 8461 , 49455 , 9803 , 547835 , 622978 , 77648 , 5380152 , 26680273 , 53130655 , 768567108 , 627680629 , 3067298338 , 7673464499
n×2
63084476
n×3
94626714
n×4
126168952
n×5
157711190
n÷2
15771119
n÷3
10514079.333333
n÷3
7885559.5
n÷5
6308447.6
n2
994912778048644
n3
3.1381775634452E+22
n4
9.8985143592447E+29
n5
3.1222129576571E+37
2 √n
5616.2476797235
3 √n
315.959075777
4 √n
74.941628483264
5 √n
31.60665244662
1 , 2 , 7 , 13 , 14 , 26 , 91 , 182 , 173309 , 346618 , 1213163 , 2253017 , 2426326 , 4506034 , 15771119 , 31542238
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
-31542237
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 31542238 can be divided by 16 positive divisors.
The sum of these divisors (counting 31542238) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1111000010100101111011110
3
Ternary
2012100111211001
4
Quaternary
1320110233132
5
Quinary
31033322423
6
Senary
3044020514
8
Octal
170245736
10
Decimal
31542238
12
Duodecimal
a69173a
16
Hexadecimal
1e14bde
20
Vigesimal
9h2fbi
36
Base36
is25a
md5
df1a23df9f1ed6ebd13dffaac9e571ea
sha1
b4c18d250f8ca37f9657b9aff190770f046f7a66
sha256
aadc322a96c88bc9c6d0e6aefbf5738e8bc12b7f78faf2117bf4150f7ff48b64
sha512
44b61cd037506e28bd099ef658c1f4d3196a8f1bac0b8264713e8adfb9ef9b9f33c42a03403855c1de9e9ae87c7318a1ec70ae994ae2378857766a8743c6eaf6
ripemd-160
4c9f6f851cb7d7c5d46e8ab9ae1ddf1976f34786
Diameter
63084476
Circumference
198185726.35716
Area
3.1256106744802E+15
Volume
1.3145167438639E+23
Surface area
1.2502442697921E+16
Circumference
198185726.35716
Perimeter
126168952
Area
994912778048644
Diagonal
44607460.7672
Surface area
5969476668291864
Volume
3.1381775634452E+22
Space diagonal
54632758.80043
Perimeter
94626714
Area
4.3080987016994E+14
Altitude
27316379.400215
Surface area
4.3080987016994E+14
Volume
3.6983777261326E+21
Height
14869153.589067