20782913 is an odd 8-digits composite number following 20782912
and preceding 20782914 . In scientific notation, it is written as 2.0782913 × 10^7.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 20751360 positive integers (up to 20782913) that are relatively prime to 20782913.
20782913 has 4 divisors, whose sum is 20814468
The reverse of 20782913 is 31928702
Previous prime number is 673
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million seven hundred eighty-two thousand nine hundred thirteen
Scientific notation
2.0782913 × 10^7
Engineering notation
2.0782913 × 10^6
Prime Factorization
673 × 30881
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20782913
Product of the distinct prime numbers
The prime factorization of 20782913 is 673 × 30881.
Since it has a total of 2 prime factors.
6 , 1 , 25 , 53 , 65 , 745 , 4254 , 8901 , 85776 , 77707 , 103231 , 229826 , 7366547 , 1379885 , 80996516 , 48300756 , 14481845 , 579865009 , 7756077292 , 296278193
n×2
41565826
n×3
62348739
n×4
83131652
n×5
103914565
n÷2
10391456.5
n÷3
6927637.6666667
n÷3
5195728.25
n÷5
4156582.6
n2
431929472765569
n3
8.9767526546227E+21
n4
1.8656306944354E+29
n5
3.8773240412581E+36
2 √n
4558.8280292198
3 √n
274.93844572724
4 √n
67.519093812194
5 √n
29.0764434622
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20782912
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20782913 can be divided by 4 positive divisors.
The sum of these divisors (counting 20782913) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111010001111101000001
3
Ternary
1110002212210112
4
Quaternary
1033101331001
5
Quinary
20310023123
6
Senary
2021241105
8
Octal
117217501
10
Decimal
20782913
12
Duodecimal
6b63195
16
Hexadecimal
13d1f41
20
Vigesimal
69hh5d
36
Base36
cdg75
md5
55d39e84c63aa6c10d5d2377e11a8391
sha1
eeddc4757e3ff05d2aacd9522450ca89f67d0745
sha256
4c3f3a8125d0a280ad4a71053df5c95b839e8b55ad08fd7307ccb0cb5645ab28
sha512
f07357fcb337a40e907a31c2f897291b74bac5834387ebf8f6ed9d1998c28d7d293692e85aa3d8f42123b5a4416c78764f319ef55e64c22b8adba6fc3f9dbd33
ripemd-160
14f95c588deaf86c37c37fb03d2515ac84dbd7e4
Diameter
41565826
Circumference
130582893.60199
Area
1.3569464585092E+15
Volume
3.7601733590474E+22
Surface area
5.4277858340369E+15
Circumference
130582893.60199
Perimeter
83131652
Area
431929472765569
Diagonal
29391477.43022
Surface area
2591576836593414
Volume
8.9767526546227E+21
Space diagonal
35997061.245284
Perimeter
62348739
Area
1.870309480291E+14
Altitude
17998530.622642
Surface area
1.870309480291E+14
Volume
1.057920445853E+21
Height
9797159.1434067