31995909 is an odd 8-digits composite number following 31995908
and preceding 31995910 . In scientific notation, it is written as 3.1995909 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors.
There are 19384200 positive integers (up to 31995909) that are relatively prime to 31995909.
31995909 has 12 divisors, whose sum is 35537600
The reverse of 31995909 is 90959913
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
thirty-one million nine hundred ninety-five thousand nine hundred nine
Scientific notation
3.1995909 × 10^7
Engineering notation
3.1995909 × 10^6
Prime Factorization
99 × 11 × 11 × 2671
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
2908719
Product of the distinct prime numbers
The prime factorization of 31995909 is 99 × 11 × 11 × 2671.
Since it has a total of 4 prime factors.
8 , 5 , 57 , 6 , 115 , 199 , 3570 , 3105 , 40635 , 70697 , 445439 , 292390 , 445968 , 3232098 , 29666652 , 67184186 , 99342106 , 869647016 , 6201670701 , 964552228
n×2
63991818
n×3
95987727
n×4
127983636
n×5
159979545
n÷2
15997954.5
n÷3
10665303
n÷3
7998977.25
n÷5
6399181.8
n2
1023738192736281
n3
3.2755434054615E+22
n4
1.0480398872669E+30
n5
3.3532988861363E+37
2 √n
5656.4926412044
3 √n
317.46668053017
4 √n
75.209657898467
5 √n
31.697053333017
1 , 11 , 99 , 121 , 1089 , 2671 , 11979 , 29381 , 264429 , 323191 , 2908719 , 31995909
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31995908
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31995909 can be divided by 12 positive divisors.
The sum of these divisors (counting 31995909) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1111010000011100000000101
3
Ternary
2020012120010200
4
Quaternary
1322003200011
5
Quinary
31142332114
6
Senary
3101441113
8
Octal
172034005
10
Decimal
31995909
12
Duodecimal
a870199
16
Hexadecimal
1e83805
20
Vigesimal
9jj9f9
36
Base36
j1s79
md5
cb9de890af91624f844f7fa323f5a662
sha1
bb0d847019292af27d7f6707867eb248b18fcdb2
sha256
5550e89e0aa36d84aa1b8cd99af30ec2e328ea53f124e6edf4bd823984b7797f
sha512
999adcae2f51db7a93ff4e82df1b0ced68f3da8662092dca162296216a2846c127fee3ab480fda88215aadf1eb94e7f247242773c0635dc9ef59e82cf917e18d
ripemd-160
ad86c325dfa61432a6d72871916a77911b320fae
Diameter
63991818
Circumference
201036225.31866
Area
3.2161683854996E+15
Volume
1.372056413215E+23
Surface area
1.2864673541998E+16
Circumference
201036225.31866
Perimeter
127983636
Area
1023738192736281
Diagonal
45249048.448255
Surface area
6142429156417686
Volume
3.2755434054615E+22
Space diagonal
55418540.02235
Perimeter
95987727
Area
4.4329164086699E+14
Altitude
27709270.011175
Surface area
4.4329164086699E+14
Volume
3.8602649234544E+21
Height
15083016.149418