31282013 is an odd 8-digits composite number following 31282012
and preceding 31282014 . In scientific notation, it is written as 3.1282013 × 10^7.
The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors.
There are 26813148 positive integers (up to 31282013) that are relatively prime to 31282013.
31282013 has 4 divisors, whose sum is 35750880
The reverse of 31282013 is 31028213
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
thirty-one million two hundred eighty-two thousand thirteen
Scientific notation
3.1282013 × 10^7
Engineering notation
3.1282013 × 10^6
Prime Factorization
7 × 4468859
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
31282013
Product of the distinct prime numbers
The prime factorization of 31282013 is 7 × 4468859.
Since it has a total of 2 prime factors.
2 , 7 , 93 , 70 , 120 , 7 , 2369 , 1365 , 98705 , 63209 , 472294 , 303374 , 7400070 , 8384028 , 78858808 , 83866352 , 375969318 , 71111018 , 2147779136 , 132126377
n×2
62564026
n×3
93846039
n×4
125128052
n×5
156410065
n÷2
15641006.5
n÷3
10427337.666667
n÷3
7820503.25
n÷5
6256402.6
n2
978564337332169
n3
3.0611462321761E+22
n4
9.5758816229835E+29
n5
2.9955285341663E+37
2 √n
5593.0325405812
3 √n
315.08778270711
4 √n
74.786579949756
5 √n
31.554328205049
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
-31282012
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 31282013 can be divided by 4 positive divisors.
The sum of these divisors (counting 31282013) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110111010101001101011101
3
Ternary
2011212021212002
4
Quaternary
1313111031131
5
Quinary
31002011023
6
Senary
3034252045
8
Octal
167251535
10
Decimal
31282013
12
Duodecimal
a587025
16
Hexadecimal
1dd535d
20
Vigesimal
9fa50d
36
Base36
imhct
md5
62659f7558c99623d2fbb58889d0237c
sha1
5a54a88b557dfe6d3028f333fec87a88ff4d5b56
sha256
8ea6ad3ebe902af0cb6f35931127f13d8bd7867b9e6e04f0da7a879559fa71c0
sha512
299627d2b1dfcf86664848666f6f41bc037f3b73f265f27fe9c63d417c8971848add85c42ffba6923d9bd81925e9e8cd3fd4800699a1b13a919dfdf340467eee
ripemd-160
7dd09ef2ab52bc150511fe8021492025601b99da
Diameter
62564026
Circumference
196550684.4606
Area
3.0742505332277E+15
Volume
1.2822499352758E+23
Surface area
1.2297002132911E+16
Circumference
196550684.4606
Perimeter
125128052
Area
978564337332169
Diagonal
44239447.042931
Surface area
5871386023993014
Volume
3.0611462321761E+22
Space diagonal
54182035.87903
Perimeter
93846039
Area
4.2373078768357E+14
Altitude
27091017.939515
Surface area
4.2373078768357E+14
Volume
3.6075954316257E+21
Height
14746482.347644