20461 is an odd 5-digits composite number following 20460
and preceding 20462 . In scientific notation, it is written as 2.0461 × 10^4.
The sum of its digits is 13. It has a total of 3 prime factors and 8 positive divisors.
There are 16848 positive integers (up to 20461) that are relatively prime to 20461.
20461 has 8 divisors, whose sum is 24320
The reverse of 20461 is 16402
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 5
Sum of Digits 13
Digital Root 4
Name
twenty thousand four hundred sixty-one
Scientific notation
2.0461 × 10^4
Engineering notation
2.0461 × 10^3
Prime Factorization
7 × 37 × 79
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20461
Product of the distinct prime numbers
The prime factorization of 20461 is 7 × 37 × 79.
Since it has a total of 3 prime factors.
3 , 9 , 23 , 4 , 305 , 697 , 3568 , 4468 , 52921 , 26187 , 34810 , 594719 , 5316499 , 8608601 , 94214714 , 94940034 , 778266453 , 345331557 , 1555867232 , 2128179214
n×2
40922
n×3
61383
n×4
81844
n×5
102305
n÷2
10230.5
n÷3
6820.3333333333
n÷3
5115.25
n÷5
4092.2
n2
418652521
n3
8566049232181
n4
175269933339655441
n5
3.5861981060627E+21
2 √n
143.04195188825
3 √n
27.351151710528
4 √n
11.960014711038
5 √n
7.2809051104087
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20460
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20461 can be divided by 8 positive divisors.
The sum of these divisors (counting 20461) is 1, the average is 0.125.
Base
System
Value
2
Binary
100111111101101
3
Ternary
1001001211
4
Quaternary
10333231
5
Quinary
1123321
6
Senary
234421
8
Octal
47755
10
Decimal
20461
12
Duodecimal
ba11
16
Hexadecimal
4fed
20
Vigesimal
2b31
36
Base36
fsd
md5
331715f2fe524ed42a3f58aabf89f08e
sha1
f62c0723e07d51acdb465a54216f6f54808d0e9e
sha256
ba5b03505a897b003ed1f5eac91009d9957d0910ac9d463b775a5f75b5bb160b
sha512
7c273aae7aeeb3a4f632e2eaf7c69ccc33275a530f56add946e134a8b0961c9e5e8a97bc8552e5e252a6bf8927d0192d92550a5d345c2c8239f84119591a387a
ripemd-160
750b40adaa37852bd5f66d115c7db2dca3ac394f
Diameter
40922
Circumference
128560.2545702
Area
1315235684.3804
Volume
35881383117478
Surface area
5260942737.5218
Circumference
128560.2545702
Perimeter
81844
Area
418652521
Diagonal
28936.223699716
Surface area
2511915126
Volume
8566049232181
Space diagonal
35439.491573667
Perimeter
61383
Area
181281859.2722
Altitude
17719.745786833
Surface area
181281859.2722
Volume
1009518583342.2
Height
9645.4078999053