31661331 is an odd 8-digits composite number following 31661330
and preceding 31661332 . In scientific notation, it is written as 3.1661331 × 10^7.
The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors.
There are 19432224 positive integers (up to 31661331) that are relatively prime to 31661331.
31661331 has 8 divisors, whose sum is 32559360
The reverse of 31661331 is 13316613
Previous prime number is 487
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
thirty-one million six hundred sixty-one thousand three hundred thirty-one
Scientific notation
3.1661331 × 10^7
Engineering notation
3.1661331 × 10^6
Prime Factorization
39 × 487 × 1667
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
31661331
Product of the distinct prime numbers
The prime factorization of 31661331 is 39 × 487 × 1667.
Since it has a total of 3 prime factors.
8 , 8 , 40 , 83 , 135 , 758 , 4727 , 8935 , 24288 , 76104 , 341299 , 587561 , 2804420 , 1602946 , 37479637 , 53396296 , 779852731 , 238210872 , 7310377337 , 6951939908
n×2
63322662
n×3
94983993
n×4
126645324
n×5
158306655
n÷2
15830665.5
n÷3
10553777
n÷3
7915332.75
n÷5
6332266.2
n2
1002439880691561
n3
3.1738580870176E+22
n4
1.0048857144009E+30
n5
3.1816019220819E+37
2 √n
5626.8402323151
3 √n
316.356228485
4 √n
75.012267212204
5 √n
31.630483723663
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
-31661330
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 31661331 can be divided by 8 positive divisors.
The sum of these divisors (counting 31661331) is 1, the average is 0.125.
Base
System
Value
2
Binary
1111000110001110100010011
3
Ternary
2012120120011220
4
Quaternary
1320301310103
5
Quinary
31101130311
6
Senary
3050340123
8
Octal
170616423
10
Decimal
31661331
12
Duodecimal
a72a643
16
Hexadecimal
1e31d13
20
Vigesimal
9hhd6b
36
Base36
ium1f
md5
e22b20e8f2ffce82767440c5fef26e7f
sha1
d50cf2f182bb44d855dea6a31d0e50435389a463
sha256
e0122cd64ea10333b6c14403a1985f0a4317a733103347bfc88c89ffb962a6b6
sha512
a089cfcc4e32f6af525443b86e84438284866aff6c1e1769a33ec845a0ef9a0c2f7ea9946e51f271fa27d28e49f7cb5f30f3e1cce39351ef7ddc355fb3601084
ripemd-160
b705b36f0e957a781a28dfe176c434e47c32db6d
Diameter
63322662
Circumference
198934009.74495
Area
3.149257764846E+15
Volume
1.3294625666281E+23
Surface area
1.2597031059384E+16
Circumference
198934009.74495
Perimeter
126645324
Area
1002439880691561
Diagonal
44775883.702984
Surface area
6014639284149366
Volume
3.1738580870176E+22
Space diagonal
54839033.927256
Perimeter
94983993
Area
4.3406920122277E+14
Altitude
27419516.963628
Surface area
4.3406920122277E+14
Volume
3.7404276264232E+21
Height
14925294.567661