20747 is an odd 5-digits prime number following 20746
and preceding 20748 . In scientific notation, it is written as 2.0747 × 10^4.
The sum of its digits is 20. It has a total of 1 prime factors and 2 positive divisors.
There are 20746 positive integers (up to 20747) that are relatively prime to 20747.
20747 has 2 divisors, whose sum is 20748
The reverse of 20747 is 74702
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 5
Sum of Digits 20
Digital Root 2
Name
twenty thousand seven hundred forty-seven
Scientific notation
2.0747 × 10^4
Engineering notation
2.0747 × 10^3
Prime Factorization
20747
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20747
Product of the distinct prime numbers
The prime factorization of 20747 is 20747.
Since it has a total of 1 prime factors.
5 , 3 , 60 , 93 , 179 , 33 , 7751 , 1273 , 92429 , 66213 , 51447 , 631424 , 433556 , 6818157 , 34688703 , 30868487 , 26741012 , 917889767 , 3149466194 , 2530299082
n×2
41494
n×3
62241
n×4
82988
n×5
103735
n÷2
10373.5
n÷3
6915.6666666667
n÷3
5186.75
n÷5
4149.4
n2
430438009
n3
8930297372723
n4
185276879591884081
n5
3.8439394208928E+21
2 √n
144.03818938046
3 √n
27.477998931911
4 √n
12.0015911187
5 √n
7.3011464763558
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20748
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10374
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
144.04166064025
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999036051668
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20747 can be divided by 2 positive divisors.
The sum of these divisors (counting 20747) is 20748, the average is 10374.
Base
System
Value
2
Binary
101000100001011
3
Ternary
1001110102
4
Quaternary
11010023
5
Quinary
1130442
6
Senary
240015
8
Octal
50413
10
Decimal
20747
12
Duodecimal
1000b
16
Hexadecimal
510b
20
Vigesimal
2bh7
36
Base36
g0b
md5
b8e13fb2d666b3ef456839ea878a0ab8
sha1
b8032c67482280685f558efa905607c21100664e
sha256
e2a56ae326df6292cf0d3f605ed34c70d05d7fd98295f7667900eb09339bc86b
sha512
641a8e0b576daeba9f385555d7187b44af1543ffe95f40940257cd192cdb05a3f46e931f1ad1628ce8edd9fbd0f73a816faad935bb329b09195cf0e10c465060
ripemd-160
2360bcb59fad71c99defaffd2e7d4e080d563655
Diameter
41494
Circumference
130357.24556805
Area
1352260886.9002
Volume
37407142160692
Surface area
5409043547.6009
Circumference
130357.24556805
Perimeter
82988
Area
430438009
Diagonal
29340.688778555
Surface area
2582628054
Volume
8930297372723
Space diagonal
35934.858104631
Perimeter
62241
Area
186385125.2742
Altitude
17967.429052316
Surface area
186385125.2742
Volume
1052445638377.5
Height
9780.2295928515