31012009 is an odd 8-digits composite number following 31012008
and preceding 31012010 . In scientific notation, it is written as 3.1012009 × 10^7.
The sum of its digits is 16. It has a total of 2 prime factors and 4 positive divisors.
There are 25182576 positive integers (up to 31012009) that are relatively prime to 31012009.
31012009 has 4 divisors, whose sum is 31245316
The reverse of 31012009 is 90021013
Previous prime number is 133
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 16
Digital Root 7
Name
thirty-one million twelve thousand nine
Scientific notation
3.1012009 × 10^7
Engineering notation
3.1012009 × 10^6
Prime Factorization
133 × 233173
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
31012009
Product of the distinct prime numbers
The prime factorization of 31012009 is 133 × 233173.
Since it has a total of 2 prime factors.
9 , 8 , 81 , 47 , 234 , 781 , 5265 , 7790 , 82738 , 6956 , 454188 , 178078 , 475834 , 4001457 , 19535386 , 86214220 , 373421233 , 856874126 , 1820261409 , 713423553
n×2
62024018
n×3
93036027
n×4
124048036
n×5
155060045
n÷2
15506004.5
n÷3
10337336.333333
n÷3
7753002.25
n÷5
6202401.8
n2
961744702216081
n3
2.9825635360827E+22
n4
9.249528722407E+29
n5
2.8684646798504E+37
2 √n
5568.8426984428
3 √n
314.17862434659
4 √n
74.624678883348
5 √n
31.499668277598
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
-31012008
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 31012009 can be divided by 4 positive divisors.
The sum of these divisors (counting 31012009) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110110010011010010101001
3
Ternary
2011100120110221
4
Quaternary
1312103102221
5
Quinary
30414341014
6
Senary
3024410041
8
Octal
166232251
10
Decimal
31012009
12
Duodecimal
a476921
16
Hexadecimal
1d934a9
20
Vigesimal
9dga09
36
Base36
igp0p
md5
6183b325c5cdc0044137f9bb2e24b49f
sha1
33291851c906280f60f9c070fde2a1bd85ddcca7
sha256
cf172ec905efec6a703c33528b780d7ffc34468826b310b3c7440f0e8334a659
sha512
b60992ec3ae2ab7f0f039bd0178e5da412ca904e9295f7224d971cb313c3cded1a1c12aaa39d41dbceec9c3f74c94795dc47989ce6ffa2df7bd8d89a1a42963f
ripemd-160
1151eb30b31d726f3d933f57e59124f81aa216dd
Diameter
62024018
Circumference
194854199.29492
Area
3.0214100911109E+15
Volume
1.2493332925096E+23
Surface area
1.2085640364444E+16
Circumference
194854199.29492
Perimeter
124048036
Area
961744702216081
Diagonal
43857603.724236
Surface area
5770468213296486
Volume
2.9825635360827E+22
Space diagonal
53714375.232783
Perimeter
93036027
Area
4.1644767203711E+14
Altitude
26857187.616392
Surface area
4.1644767203711E+14
Volume
3.5149848361397E+21
Height
14619201.241412