31985295 is an odd 8-digits composite number following 31985294
and preceding 31985296 . In scientific notation, it is written as 3.1985295 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 16106112 positive integers (up to 31985295) that are relatively prime to 31985295.
31985295 has 16 divisors, whose sum is 40248000
The reverse of 31985295 is 59258913
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
thirty-one million nine hundred eighty-five thousand two hundred ninety-five
Scientific notation
3.1985295 × 10^7
Engineering notation
3.1985295 × 10^6
Prime Factorization
249 × 5 × 23 × 1117
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
31985295
Product of the distinct prime numbers
The prime factorization of 31985295 is 249 × 5 × 23 × 1117.
Since it has a total of 4 prime factors.
1 , 8 , 49 , 81 , 589 , 524 , 4213 , 8498 , 44447 , 15981 , 630585 , 221563 , 45620 , 4403144 , 70658770 , 83709893 , 43443027 , 692077270 , 1238805899 , 1227225581
n×2
63970590
n×3
95955885
n×4
127941180
n×5
159926475
n÷2
15992647.5
n÷3
10661765
n÷3
7996323.75
n÷5
6397059
n2
1023059096237025
n3
3.2722846995575E+22
n4
1.0466499143933E+30
n5
3.3477406273595E+37
2 √n
5655.5543494869
3 √n
317.43157224999
4 √n
75.203419799148
5 √n
31.694950081787
1 , 5 , 23 , 115 , 249 , 1117 , 1245 , 5585 , 5727 , 25691 , 28635 , 128455 , 278133 , 1390665 , 6397059 , 31985295
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
-31985294
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 31985295 can be divided by 16 positive divisors.
The sum of these divisors (counting 31985295) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1111010000000111010001111
3
Ternary
2020012000120120
4
Quaternary
1322000322033
5
Quinary
31142012140
6
Senary
3101320023
8
Octal
172007217
10
Decimal
31985295
12
Duodecimal
a866013
16
Hexadecimal
1e80e8f
20
Vigesimal
9ji34f
36
Base36
j1k0f
md5
2ae5e5c9f610b26a42330c76a0041695
sha1
b60efcecad05472b1220422ba9bcb06433b03b79
sha256
b684838a7436ff1cbf66d04d9617b866ff73a0e7495894efbc3855b293e301c1
sha512
c8ca3ae346142499f9a56bb7f9b84722432973fde41f7bfd8102a2eabbe2efd249a58651e0926b497fe88831e9fb7a3aef4924077e8d6ad391c3dbc005a34501
ripemd-160
1a179529aaa869173b0e6dd141d5b044a7ba251a
Diameter
63970590
Circumference
200969535.5898
Area
3.2140349409265E+15
Volume
1.3706914096779E+23
Surface area
1.2856139763706E+16
Circumference
200969535.5898
Perimeter
127941180
Area
1023059096237025
Diagonal
45234037.985504
Surface area
6138354577422150
Volume
3.2722846995575E+22
Space diagonal
55400156.035079
Perimeter
95955885
Area
4.4299758345701E+14
Altitude
27700078.017539
Surface area
4.4299758345701E+14
Volume
3.8564245017168E+21
Height
15078012.661835