31304813 is an odd 8-digits composite number following 31304812
and preceding 31304814 . In scientific notation, it is written as 3.1304813 × 10^7.
The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors.
There are 31292160 positive integers (up to 31304813) that are relatively prime to 31304813.
31304813 has 4 divisors, whose sum is 31317468
The reverse of 31304813 is 31840313
Previous prime number is 3373
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
thirty-one million three hundred four thousand eight hundred thirteen
Scientific notation
3.1304813 × 10^7
Engineering notation
3.1304813 × 10^6
Prime Factorization
3373 × 9281
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
31304813
Product of the distinct prime numbers
The prime factorization of 31304813 is 3373 × 9281.
Since it has a total of 2 prime factors.
8 , 9 , 13 , 66 , 881 , 650 , 1714 , 8628 , 15329 , 60125 , 31051 , 55639 , 7533289 , 5328479 , 94435360 , 97761193 , 93666575 , 527134635 , 6234664698 , 3688693333
n×2
62609626
n×3
93914439
n×4
125219252
n×5
156524065
n÷2
15652406.5
n÷3
10434937.666667
n÷3
7826203.25
n÷5
6260962.6
n2
979991316964969
n3
3.0678444919212E+22
n4
9.6038298132673E+29
n5
3.0064609638816E+37
2 √n
5595.0704195747
3 √n
315.16431504526
4 √n
74.800203339127
5 √n
31.558926560204
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
-31304812
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 31304813 can be divided by 4 positive divisors.
The sum of these divisors (counting 31304813) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110111011010110001101101
3
Ternary
2011220110010112
4
Quaternary
1313122301231
5
Quinary
31003223223
6
Senary
3034545405
8
Octal
167326155
10
Decimal
31304813
12
Duodecimal
a598265
16
Hexadecimal
1ddac6d
20
Vigesimal
9fd20d
36
Base36
imyy5
md5
39fcbe5251372a14661d69558af05df0
sha1
cf7e701fa0decdf86994b2125e672ee11b48e3ee
sha256
310ef7e42167af339650d553bcb09565fcb1791f404749d79687e1e5a0a00f0d
sha512
fd8f23bb8db155370f1a660057018c2b142b1b5b22be565987d931f7daabe2d7efa849e1255e446bf9e175a6e44b3ff94ee87d053aaee34b7f4b17f7c495989b
ripemd-160
99aa510937deda514be3cff17eef818c0592d29b
Diameter
62609626
Circumference
196693941.0856
Area
3.0787335219589E+15
Volume
1.2850556957567E+23
Surface area
1.2314934087836E+16
Circumference
196693941.0856
Perimeter
125219252
Area
979991316964969
Diagonal
44271691.112154
Surface area
5879947901789814
Volume
3.0678444919212E+22
Space diagonal
54221526.637443
Perimeter
93914439
Area
4.2434868798992E+14
Altitude
27110763.318721
Surface area
4.2434868798992E+14
Volume
3.6154894064388E+21
Height
14757230.370718