31909085 is an odd 8-digits composite number following 31909084
and preceding 31909086 . In scientific notation, it is written as 3.1909085 × 10^7.
The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors.
There are 21795840 positive integers (up to 31909085) that are relatively prime to 31909085.
31909085 has 16 divisors, whose sum is 34898688
The reverse of 31909085 is 58090913
Previous prime number is 431
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
thirty-one million nine hundred nine thousand eighty-five
Scientific notation
3.1909085 × 10^7
Engineering notation
3.1909085 × 10^6
Prime Factorization
65 × 17 × 431 × 67
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
31909085
Product of the distinct prime numbers
The prime factorization of 31909085 is 65 × 17 × 431 × 67.
Since it has a total of 4 prime factors.
8 , 1 , 92 , 84 , 248 , 515 , 3260 , 9517 , 30518 , 13386 , 107892 , 429166 , 6802990 , 7218189 , 71413091 , 82055542 , 54259036 , 507251120 , 2141801917 , 6619117303
n×2
63818170
n×3
95727255
n×4
127636340
n×5
159545425
n÷2
15954542.5
n÷3
10636361.666667
n÷3
7977271.25
n÷5
6381817
n2
1018189705537225
n3
3.2489501860112E+22
n4
1.036710276462E+30
n5
3.3080476331999E+37
2 √n
5648.8127071093
3 √n
317.17926152496
4 √n
75.158583722083
5 √n
31.679832024946
1 , 17 , 65 , 67 , 431 , 1105 , 1139 , 4355 , 7327 , 28015 , 28877 , 74035 , 476255 , 490909 , 1877005 , 31909085
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
-31909084
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 31909085 can be divided by 16 positive divisors.
The sum of these divisors (counting 31909085) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1111001101110010011011101
3
Ternary
2020001011000222
4
Quaternary
1321232103131
5
Quinary
31132042320
6
Senary
3055531125
8
Octal
171562335
10
Decimal
31909085
12
Duodecimal
a829aa5
16
Hexadecimal
1e6e4dd
20
Vigesimal
9j8ce5
36
Base36
izx7h
md5
fc130adcb2b0859954222f6bab938792
sha1
a6c362c55e7d8a6c1799e639bf00be351dc8e836
sha256
2ab300187e1f0da1025335091076113ac990e6c1cdb056edbb3256ffd70d0528
sha512
982cfd6176dda7a6a22aad94c943936afbfb12e6221cbe5acd0ceff41c07707e68b7bb64ba49e1525a804e606281aaada86ba8a5b3d30bcfa41b2a0eeddad847
ripemd-160
84e1ccde29317cc4535f433f3201f65cc6179c74
Diameter
63818170
Circumference
200490694.03754
Area
3.1987372988765E+15
Volume
1.3609170715003E+23
Surface area
1.2794949195506E+16
Circumference
200490694.03754
Perimeter
127636340
Area
1018189705537225
Diagonal
45126260.769916
Surface area
6109138233223350
Volume
3.2489501860112E+22
Space diagonal
55268156.443034
Perimeter
95727255
Area
4.4088907543352E+14
Altitude
27634078.221517
Surface area
4.4088907543352E+14
Volume
3.8289245137764E+21
Height
15042086.923305