20740 is an even 5-digits composite number following 20739
and preceding 20741 . In scientific notation, it is written as 2.0740 × 10^4.
The sum of its digits is 13. It has a total of 5 prime factors and 24 positive divisors.
There are 7680 positive integers (up to 20740) that are relatively prime to 20740.
20740 has 24 divisors, whose sum is 46872
The reverse of 20740 is 04702
Previous prime number is 61
Is Prime? no
Number parity even
Number length 5
Sum of Digits 13
Digital Root 4
Name
twenty thousand seven hundred forty
Scientific notation
2.0740 × 10^4
Engineering notation
2.0740 × 10^3
Prime Factorization
2 × 2 × 5 × 61 × 17
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10370
Product of the distinct prime numbers
The prime factorization of 20740 is 2 × 2 × 5 × 61 × 17.
Since it has a total of 5 prime factors.
4 , 7 , 97 , 89 , 766 , 376 , 2744 , 707 , 95999 , 99784 , 624308 , 362046 , 3887123 , 2370164 , 69402734 , 3791624 , 906475807 , 737004602 , 5673477969 , 4010743584
n×2
41480
n×3
62220
n×4
82960
n×5
103700
n÷2
10370
n÷3
6913.3333333333
n÷3
5185
n÷5
4148
n2
430147600
n3
8921261224000
n4
185026957785760000
n5
3.8374591044767E+21
2 √n
144.01388821916
3 √n
27.474908242028
4 √n
12.000578661846
5 √n
7.300653731147
1 , 2 , 4 , 5 , 10 , 17 , 20 , 34 , 61 , 68 , 85 , 122 , 170 , 244 , 305 , 340 , 610 , 1037 , 1220 , 2074 , 4148 , 5185 , 10370 , 20740
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20739
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20740 can be divided by 24 positive divisors.
The sum of these divisors (counting 20740) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
101000100000100
3
Ternary
1001110011
4
Quaternary
11010010
5
Quinary
1130430
6
Senary
240004
8
Octal
50404
10
Decimal
20740
12
Duodecimal
10004
16
Hexadecimal
5104
20
Vigesimal
2bh0
36
Base36
g04
md5
9952cb25b58c5f4832396abf2bcfd66d
sha1
6ae763cfed41e8ff4ff40105144e515a0e6cc7b5
sha256
9522408f1352c86c87befe876c379cd9efd6e7918214581bb7e2d971d282ce34
sha512
0e7dce7218f5ff37c535827e3d477bc0825291151745195edeec6785f58feb17c58302e506bb74760a98c86582ef779dcf231b1e240db28edbd9eca371d41a87
ripemd-160
346734c08524adc4734b5a9a5b689991f6e13753
Diameter
41480
Circumference
130313.2632709
Area
1351348540.1193
Volume
37369291629432
Surface area
5405394160.4771
Circumference
130313.2632709
Perimeter
82960
Area
430147600
Diagonal
29330.789283618
Surface area
2580885600
Volume
8921261224000
Space diagonal
35922.733748979
Perimeter
62220
Area
186259374.48845
Altitude
17961.366874489
Surface area
186259374.48845
Volume
1051380718037.8
Height
9776.929761206