21130131 is an odd 8-digits composite number following 21130130
and preceding 21130132 . In scientific notation, it is written as 2.1130131 × 10^7.
The sum of its digits is 12. It has a total of 2 prime factors and 4 positive divisors.
There are 12806120 positive integers (up to 21130131) that are relatively prime to 21130131.
21130131 has 4 divisors, whose sum is 21770472
The reverse of 21130131 is 13103112
Previous prime number is 33
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 12
Digital Root 3
Name
twenty-one million one hundred thirty thousand one hundred thirty-one
Scientific notation
2.1130131 × 10^7
Engineering notation
2.1130131 × 10^6
Prime Factorization
33 × 640307
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21130131
Product of the distinct prime numbers
The prime factorization of 21130131 is 33 × 640307.
Since it has a total of 2 prime factors.
3 , 8 , 51 , 20 , 165 , 518 , 7405 , 715 , 85065 , 11816 , 408469 , 282836 , 2793352 , 9919275 , 952183 , 16142984 , 494008181 , 792016098 , 8569258164 , 846480537
n×2
42260262
n×3
63390393
n×4
84520524
n×5
105650655
n÷2
10565065.5
n÷3
7043377
n÷3
5282532.75
n÷5
4226026.2
n2
446482436077161
n3
9.4342323635095E+21
n4
1.993465657254E+29
n5
4.2122190481777E+36
2 √n
4596.7522230375
3 √n
276.46112005051
4 √n
67.799352674177
5 √n
29.172956061916
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
-21130130
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 21130131 can be divided by 4 positive divisors.
The sum of these divisors (counting 21130131) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000100110101110010011
3
Ternary
1110202112002110
4
Quaternary
1100212232103
5
Quinary
20402131011
6
Senary
2032520403
8
Octal
120465623
10
Decimal
21130131
12
Duodecimal
70b0103
16
Hexadecimal
1426b93
20
Vigesimal
6c156b
36
Base36
ckw43
md5
3ee6f25fc34fcb149aac51e606428fed
sha1
b8d935f021b428fb1f68180243af21680a9f1760
sha256
1b90f7faafa0642c2a4049cfe06f664514f2e638e5ce2376e6943772b4239d03
sha512
bc28a14f239d78eeefb4d39cb54e597dfb1b5b636e0e80143a50ca01be0ca2442ef583b29da37f5f07ca90b739836f71f8fadb94e110f17434cdeb2823ac04ef
ripemd-160
56839fca6cd794aeec614bdab2abc5e312fbf158
Diameter
42260262
Circumference
132764528.63798
Area
1.4026659411369E+15
Volume
3.9518020113948E+22
Surface area
5.6106637645475E+15
Circumference
132764528.63798
Perimeter
84520524
Area
446482436077161
Diagonal
29882517.83492
Surface area
2678894616462966
Volume
9.4342323635095E+21
Space diagonal
36598460.462586
Perimeter
63390393
Area
1.9333256599319E+14
Altitude
18299230.231293
Surface area
1.9333256599319E+14
Volume
1.1118349465879E+21
Height
9960839.2783067