20740905 is an odd 8-digits composite number following 20740904
and preceding 20740906 . In scientific notation, it is written as 2.0740905 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 10761984 positive integers (up to 20740905) that are relatively prime to 20740905.
20740905 has 16 divisors, whose sum is 30297856
The reverse of 20740905 is 50904702
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million seven hundred forty thousand nine hundred five
Scientific notation
2.0740905 × 10^7
Engineering notation
2.0740905 × 10^6
Prime Factorization
15 × 3 × 37 × 12457
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20740905
Product of the distinct prime numbers
The prime factorization of 20740905 is 15 × 3 × 37 × 12457.
Since it has a total of 4 prime factors.
9 , 2 , 78 , 41 , 895 , 523 , 1798 , 4958 , 60639 , 48512 , 584530 , 959564 , 4803656 , 9869427 , 38489919 , 59358011 , 773636179 , 902947083 , 4570646523 , 6702893069
n×2
41481810
n×3
62222715
n×4
82963620
n×5
103704525
n÷2
10370452.5
n÷3
6913635
n÷3
5185226.25
n÷5
4148181
n2
430185140219025
n3
8.9224291256945E+21
n4
1.8505925486526E+29
n5
3.8382964245312E+36
2 √n
4554.2183742109
3 √n
274.75307863216
4 √n
67.484949242115
5 √n
29.064679644627
1 , 3 , 15 , 37 , 45 , 111 , 555 , 1665 , 12457 , 37371 , 186855 , 460909 , 560565 , 1382727 , 6913635 , 20740905
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
-20740904
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 20740905 can be divided by 16 positive divisors.
The sum of these divisors (counting 20740905) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111000111101100101001
3
Ternary
1110000202011200
4
Quaternary
1033013230221
5
Quinary
20302202110
6
Senary
2020314413
8
Octal
117075451
10
Decimal
20740905
12
Duodecimal
6b42a09
16
Hexadecimal
13c7b29
20
Vigesimal
69cc55
36
Base36
ccjs9
md5
db248d1a7c0826c1a69ff5167ff21734
sha1
3e2e15bec1b6e736c148739fa3be5e4708742e6e
sha256
b2523bec70aa9f86c42d417fed34e28a5585d7f566687da7fc40a54dc5daafba
sha512
8e0231490f3100402751a4ccb2e314da0a1a3c97cfce70f3e20dc9989be0997bfaaaf2f802e1bf876604b24cd087d6cd05fbe5f33ad34f2695ff199a3a5b263e
ripemd-160
9b50c5b5a5cfd973abbed15fbfccb07732a8f74b
Diameter
41481810
Circumference
130318949.55361
Area
1.3514664761956E+15
Volume
3.737418372461E+22
Surface area
5.4058659047823E+15
Circumference
130318949.55361
Perimeter
82963620
Area
430185140219025
Diagonal
29332069.146892
Surface area
2581110841314150
Volume
8.9224291256945E+21
Space diagonal
35924301.254959
Perimeter
62222715
Area
1.8627562988012E+14
Altitude
17962150.62748
Surface area
1.8627562988012E+14
Volume
1.0515183565725E+21
Height
9777356.3822973