20740909 is an odd 8-digits composite number following 20740908
and preceding 20740910 . In scientific notation, it is written as 2.0740909 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 17677536 positive integers (up to 20740909) that are relatively prime to 20740909.
20740909 has 8 divisors, whose sum is 23837760
The reverse of 20740909 is 90904702
Previous prime number is 179
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million seven hundred forty thousand nine hundred nine
Scientific notation
2.0740909 × 10^7
Engineering notation
2.0740909 × 10^6
Prime Factorization
7 × 179 × 16553
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20740909
Product of the distinct prime numbers
The prime factorization of 20740909 is 7 × 179 × 16553.
Since it has a total of 3 prime factors.
6 , 4 , 43 , 28 , 69 , 226 , 3477 , 9526 , 54824 , 73637 , 496525 , 591558 , 1815935 , 9109715 , 11242838 , 59666497 , 39589357 , 803587929 , 6346152140 , 4869500161
n×2
41481818
n×3
62222727
n×4
82963636
n×5
103704545
n÷2
10370454.5
n÷3
6913636.3333333
n÷3
5185227.25
n÷5
4148181.8
n2
430185306146281
n3
8.9224342879172E+21
n4
1.8505939762417E+29
n5
3.8383001257177E+36
2 √n
4554.2188133642
3 √n
274.75309629472
4 √n
67.484952495828
5 √n
29.064680765684
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
-20740908
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 20740909 can be divided by 8 positive divisors.
The sum of these divisors (counting 20740909) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111000111101100101101
3
Ternary
1110000202011211
4
Quaternary
1033013230231
5
Quinary
20302202114
6
Senary
2020314421
8
Octal
117075455
10
Decimal
20740909
12
Duodecimal
6b42a11
16
Hexadecimal
13c7b2d
20
Vigesimal
69cc59
36
Base36
ccjsd
md5
cf09e621315d26ab0290b207af9d5ac3
sha1
ec2ce0aaf472a755dc88223e8c19d0266d98b245
sha256
e9e7ed9429e86caa9c3e4bdd15da99a7a79a189db720e0944154b8383220e516
sha512
3317dd267f6bc27b1c125d961578c2e2849363d5382a3582a464168b77fb95d8a2b7ef9f74d72470b1eef1b14df8032ad9b38270112bfe525cf6f6cdd7db911f
ripemd-160
9f75b02e033b3de954b2841a61d9aa9dd7f74078
Diameter
41481818
Circumference
130318974.68635
Area
1.3514669974714E+15
Volume
3.7374205348078E+22
Surface area
5.4058679898857E+15
Circumference
130318974.68635
Perimeter
82963636
Area
430185306146281
Diagonal
29332074.803746
Surface area
2581111836877686
Volume
8.9224342879172E+21
Space diagonal
35924308.183163
Perimeter
62222727
Area
1.8627570172873E+14
Altitude
17962154.091581
Surface area
1.8627570172873E+14
Volume
1.0515189649463E+21
Height
9777358.2679154