31009 is an odd 5-digits composite number following 31008
and preceding 31010 . In scientific notation, it is written as 3.1009 × 10^4.
The sum of its digits is 13. It has a total of 2 prime factors and 4 positive divisors.
There are 28180 positive integers (up to 31009) that are relatively prime to 31009.
31009 has 4 divisors, whose sum is 33840
The reverse of 31009 is 90013
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 5
Sum of Digits 13
Digital Root 4
Name
thirty-one thousand nine
Scientific notation
3.1009 × 10^4
Engineering notation
3.1009 × 10^3
Prime Factorization
11 × 2819
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
31009
Product of the distinct prime numbers
The prime factorization of 31009 is 11 × 2819.
Since it has a total of 2 prime factors.
4 , 6 , 36 , 58 , 756 , 693 , 593 , 9756 , 21488 , 16601 , 618539 , 679177 , 7629882 , 6019594 , 35322301 , 10113210 , 927080585 , 313212896 , 1426976133 , 2278416002
n×2
62018
n×3
93027
n×4
124036
n×5
155045
n÷2
15504.5
n÷3
10336.333333333
n÷3
7752.25
n÷5
6201.8
n2
961558081
n3
29816954533729
n4
924593943136402561
n5
2.8670733582717E+22
2 √n
176.09372504436
3 √n
31.416846275556
4 √n
13.27003108679
5 √n
7.9122053860178
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31008
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31009 can be divided by 4 positive divisors.
The sum of these divisors (counting 31009) is 1, the average is 0.25.
Base
System
Value
2
Binary
111100100100001
3
Ternary
1120112111
4
Quaternary
13210201
5
Quinary
1443014
6
Senary
355321
8
Octal
74441
10
Decimal
31009
12
Duodecimal
15b41
16
Hexadecimal
7921
20
Vigesimal
3ha9
36
Base36
nxd
md5
27c8efa32c0738c9d83b37d1882d97ea
sha1
094ac1ff6724fc4d2b1c8b3b7bb137a9d991094c
sha256
62685f4ccf56fe93e73d44225328643afafb41af5ce4c49926761e27f24ba408
sha512
fd4b7c2f3fc9f7209ea9533ed9dee132b25764edaeb77e80b0d78881c5c9aacfb7740d2890b1389c3e6f262d2790d0fb2df8c1ca5a3c71ed193c057a67c1b86a
ripemd-160
8d411f54446779ed0a075847f1351528eb6aaee6
Diameter
62018
Circumference
194835.29319033
Area
3020823803.2695
Volume
1.2489696708745E+14
Surface area
12083295213.078
Circumference
194835.29319033
Perimeter
124036
Area
961558081
Diagonal
43853.348355627
Surface area
5769348486
Volume
29816954533729
Space diagonal
53709.163491903
Perimeter
93027
Area
416366862.68011
Altitude
26854.581745952
Surface area
416366862.68011
Volume
3513961790855.1
Height
14617.782785209