31639966 is an even 8-digits composite number following 31639965
and preceding 31639967 . In scientific notation, it is written as 3.1639966 × 10^7.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 15763800 positive integers (up to 31639966) that are relatively prime to 31639966.
31639966 has 8 divisors, whose sum is 47628504
The reverse of 31639966 is 66993613
Previous prime number is 283
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
thirty-one million six hundred thirty-nine thousand nine hundred sixty-six
Scientific notation
3.1639966 × 10^7
Engineering notation
3.1639966 × 10^6
Prime Factorization
2 × 283 × 55901
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
31639966
Product of the distinct prime numbers
The prime factorization of 31639966 is 2 × 283 × 55901.
Since it has a total of 3 prime factors.
5 , 4 , 32 , 98 , 486 , 454 , 8874 , 6770 , 43909 , 8849 , 294356 , 407253 , 4039378 , 8381875 , 64940858 , 90321457 , 122409548 , 933561515 , 9065696225 , 4490664504
n×2
63279932
n×3
94919898
n×4
126559864
n×5
158199830
n÷2
15819983
n÷3
10546655.333333
n÷3
7909991.5
n÷5
6327993.2
n2
1001087448481156
n3
3.1674372832971E+22
n4
1.0021760795065E+30
n5
3.1708817081599E+37
2 √n
5624.9414219172
3 √n
316.28505363241
4 √n
74.999609478431
5 √n
31.62621373409
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
-31639965
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 31639966 can be divided by 8 positive divisors.
The sum of these divisors (counting 31639966) is 1, the average is 0.125.
Base
System
Value
2
Binary
1111000101100100110011110
3
Ternary
2012112110212121
4
Quaternary
1320230212132
5
Quinary
31044434331
6
Senary
3050053154
8
Octal
170544636
10
Decimal
31639966
12
Duodecimal
a71a1ba
16
Hexadecimal
1e2c99e
20
Vigesimal
9heji6
36
Base36
iu5jy
md5
bca13cee4d2f75251967d2c867e87bdd
sha1
1075842bbe07b789fd8fb5cf1423816d99452094
sha256
5f454701d73ec4cac4bb2cf389e824ce1cc3a8009f44e352d37a3decaf151f65
sha512
f32bf0f609b974835c188c2db8b41a7ddc495e438bb1426cb40d35dbb776e95de0f1d78817c6fa14f959f3b6929f1282bf48f1df4aceded0ae9621cc71848603
ripemd-160
9044374a424e35c7591ab735908ad8e5f3534278
Diameter
63279932
Circumference
198799769.49086
Area
3.1450089737494E+15
Volume
1.326773026655E+23
Surface area
1.2580035894997E+16
Circumference
198799769.49086
Perimeter
126559864
Area
1001087448481156
Diagonal
44745669.030224
Surface area
6006524690886936
Volume
3.1674372832971E+22
Space diagonal
54802028.661752
Perimeter
94919898
Area
4.3348358089721E+14
Altitude
27401014.330876
Surface area
4.3348358089721E+14
Volume
3.7328606366707E+21
Height
14915223.010075