20740945 is an odd 8-digits composite number following 20740944
and preceding 20740946 . In scientific notation, it is written as 2.0740945 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 15934464 positive integers (up to 20740945) that are relatively prime to 20740945.
20740945 has 16 divisors, whose sum is 25886160
The reverse of 20740945 is 54904702
Previous prime number is 29
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 forty-five
Scientific notation
2.0740945 × 10^7
Engineering notation
2.0740945 × 10^6
Prime Factorization
5 × 457 × 29 × 313
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20740945
Product of the distinct prime numbers
The prime factorization of 20740945 is 5 × 457 × 29 × 313.
Since it has a total of 4 prime factors.
1 , 4 , 62 , 22 , 518 , 149 , 796 , 3120 , 20718 , 30971 , 930055 , 470780 , 5324646 , 9697383 , 79741186 , 15772985 , 787567865 , 486573048 , 8816770867 , 8622296699
n×2
41481890
n×3
62222835
n×4
82963780
n×5
103704725
n÷2
10370472.5
n÷3
6913648.3333333
n÷3
5185236.25
n÷5
4148189
n2
430186799493025
n3
8.9224807480109E+21
n4
1.8506068245805E+29
n5
3.8383334365249E+36
2 √n
4554.2227657417
3 √n
274.75325525763
4 √n
67.48498177922
5 √n
29.064690855192
1 , 5 , 29 , 145 , 313 , 457 , 1565 , 2285 , 9077 , 13253 , 45385 , 66265 , 143041 , 715205 , 4148189 , 20740945
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20740944
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20740945 can be divided by 16 positive divisors.
The sum of these divisors (counting 20740945) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111000111101101010001
3
Ternary
1110000202020011
4
Quaternary
1033013231101
5
Quinary
20302202240
6
Senary
2020314521
8
Octal
117075521
10
Decimal
20740945
12
Duodecimal
6b42a41
16
Hexadecimal
13c7b51
20
Vigesimal
69cc75
36
Base36
ccjtd
md5
69dfd9e97dc6ab67f756918fa448f7b3
sha1
54abd1a1c1319ecbca6d75337a1793002306768d
sha256
575fc08fc9dcb3b37ea1f826198fbba573afc5bd9caac96132e12eaea782507a
sha512
dcdd55eb72c19500c589b97e6f28a4d4eb7cddc0d01cd834d27d3432ceeaf21b95039539383b58e72ceb87a9aa8590043bc128e93f7a93ac76064b0d8d395a3d
ripemd-160
a503d823137ba9de7f231364f09e990ae2b43446
Diameter
41481890
Circumference
130319200.88102
Area
1.3514716889586E+15
Volume
3.7374399959663E+22
Surface area
5.4058867558344E+15
Circumference
130319200.88102
Perimeter
82963780
Area
430186799493025
Diagonal
29332125.715434
Surface area
2581120796958150
Volume
8.9224807480109E+21
Space diagonal
35924370.536992
Perimeter
62222835
Area
1.8627634836684E+14
Altitude
17962185.268496
Surface area
1.8627634836684E+14
Volume
1.0515244403208E+21
Height
9777375.2384781