21231461 is an odd 8-digits composite number following 21231460
and preceding 21231462 . In scientific notation, it is written as 2.1231461 × 10^7.
The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors.
There are 20308332 positive integers (up to 21231461) that are relatively prime to 21231461.
21231461 has 4 divisors, whose sum is 22154592
The reverse of 21231461 is 16413212
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty-one million two hundred thirty-one thousand four hundred sixty-one
Scientific notation
2.1231461 × 10^7
Engineering notation
2.1231461 × 10^6
Prime Factorization
23 × 923107
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21231461
Product of the distinct prime numbers
The prime factorization of 21231461 is 23 × 923107.
Since it has a total of 2 prime factors.
5 , 2 , 87 , 5 , 647 , 111 , 1670 , 8522 , 42303 , 47037 , 605514 , 231107 , 6079385 , 5768538 , 41359255 , 42018396 , 482107062 , 56365289 , 9671713953 , 4802873992
n×2
42462922
n×3
63694383
n×4
84925844
n×5
106157305
n÷2
10615730.5
n÷3
7077153.6666667
n÷3
5307865.25
n÷5
4246292.2
n2
450774936194521
n3
9.5706104775915E+21
n4
2.0319804310117E+29
n5
4.3141913273789E+36
2 √n
4607.7609530009
3 √n
276.90234059867
4 √n
67.880490223634
5 √n
29.200882452817
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
-21231460
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 21231461 can be divided by 4 positive divisors.
The sum of these divisors (counting 21231461) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000111111011101100101
3
Ternary
1110221200002102
4
Quaternary
1100333131211
5
Quinary
20413401321
6
Senary
2035021445
8
Octal
120773545
10
Decimal
21231461
12
Duodecimal
713a885
16
Hexadecimal
143f765
20
Vigesimal
6cdid1
36
Base36
cn2at
md5
2c687a1a9e32356ad383088a494c0064
sha1
8242d47d28e80f1479d1717da2562395089a17f3
sha256
31311af48ed6ee7224cbeeca2a0ec2ac9686deda894c90b93ba6d3deb482dfde
sha512
35020a299e7101089b2df1f71ba0454b678abc3d29ff02255f1b99246efcdab59d5f94e998e6445accd2de6bc92431c0cafab063815fb71652d23622076e0a8c
ripemd-160
75688c83c9da32c319470ce6c961e35584f76e9d
Diameter
42462922
Circumference
133401203.80516
Area
1.4161512279711E+15
Volume
4.0089279422361E+22
Surface area
5.6646049118845E+15
Circumference
133401203.80516
Perimeter
84925844
Area
450774936194521
Diagonal
30025820.095195
Surface area
2704649617167126
Volume
9.5706104775915E+21
Space diagonal
36773969.170917
Perimeter
63694383
Area
1.9519127306688E+14
Altitude
18386984.585459
Surface area
1.9519127306688E+14
Volume
1.1279072614667E+21
Height
10008606.698398