31493909 is an odd 8-digits prime number following 31493908
and preceding 31493910 . In scientific notation, it is written as 3.1493909 × 10^7.
The sum of its digits is 38. It has a total of 1 prime factors and 2 positive divisors.
There are 31493908 positive integers (up to 31493909) that are relatively prime to 31493909.
31493909 has 2 divisors, whose sum is 31493910
The reverse of 31493909 is 90939413
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
thirty-one million four hundred ninety-three thousand nine hundred nine
Scientific notation
3.1493909 × 10^7
Engineering notation
3.1493909 × 10^6
Prime Factorization
31493909
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
31493909
Product of the distinct prime numbers
The prime factorization of 31493909 is 31493909.
Since it has a total of 1 prime factors.
8 , 6 , 51 , 29 , 690 , 325 , 5655 , 7794 , 97342 , 62046 , 457983 , 833528 , 6772498 , 5588960 , 65398897 , 68647864 , 299706664 , 322404900 , 3025111135 , 6370299085
n×2
62987818
n×3
94481727
n×4
125975636
n×5
157469545
n÷2
15746954.5
n÷3
10497969.666667
n÷3
7873477.25
n÷5
6298781.8
n2
991866304100281
n3
3.1237747121501E+22
n4
9.8379876520955E+29
n5
3.0983668785822E+37
2 √n
5611.9434245188
3 √n
315.79762251438
4 √n
74.912905593888
5 √n
31.59696096593
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
31493910
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
15746955
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
5611.9435136145
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999364957
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31493909 can be divided by 2 positive divisors.
The sum of these divisors (counting 31493909) is 31493910, the average is 15746955.
Base
System
Value
2
Binary
1111000001000111100010101
3
Ternary
2012021001112002
4
Quaternary
1320020330111
5
Quinary
31030301114
6
Senary
3043005045
8
Octal
170107425
10
Decimal
31493909
12
Duodecimal
a669785
16
Hexadecimal
1e08f15
20
Vigesimal
9ggef9
36
Base36
ir0ut
md5
74379935f82c597e7b8fb8407589de4a
sha1
f235303d423968ed2d2e67b0193360921b0fb318
sha256
ad4d8f9bdb75041aa4095a65f10849d30b0ef0c782849fbfa245aa61c823dc68
sha512
2d8be160e4e3dc740278e32aff1f8099a52b2cf7e1a0711be7f8b5a1982ea4858c88f23117dce0a6775a427ac70e89f4c258c2f7cb3af3f6d37254bea36979b4
ripemd-160
cd06eb1195aeb8e37470166d5f3e31a368392307
Diameter
62987818
Circumference
197882066.29445
Area
3.1160398943047E+15
Volume
1.3084836916214E+23
Surface area
1.2464159577219E+16
Circumference
197882066.29445
Perimeter
125975636
Area
991866304100281
Diagonal
44539113.239944
Surface area
5951197824601686
Volume
3.1237747121501E+22
Space diagonal
54549050.516951
Perimeter
94481727
Area
4.2949070825431E+14
Altitude
27274525.258475
Surface area
4.2949070825431E+14
Volume
3.6814038031006E+21
Height
14846371.079981