20787613 is an odd 8-digits composite number following 20787612
and preceding 20787614 . In scientific notation, it is written as 2.0787613 × 10^7.
The sum of its digits is 34. It has a total of 4 prime factors and 12 positive divisors.
There are 16197720 positive integers (up to 20787613) that are relatively prime to 20787613.
20787613 has 12 divisors, whose sum is 26380512
The reverse of 20787613 is 31678702
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million seven hundred eighty-seven thousand six hundred thirteen
Scientific notation
2.0787613 × 10^7
Engineering notation
2.0787613 × 10^6
Prime Factorization
7 × 7 × 11 × 38567
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
2969659
Product of the distinct prime numbers
The prime factorization of 20787613 is 7 × 7 × 11 × 38567.
Since it has a total of 4 prime factors.
5 , 8 , 60 , 22 , 75 , 940 , 204 , 5889 , 4161 , 49817 , 956515 , 387053 , 2810233 , 756217 , 33871456 , 40067174 , 307936372 , 366871040 , 6365149195 , 8275220686
n×2
41575226
n×3
62362839
n×4
83150452
n×5
103938065
n÷2
10393806.5
n÷3
6929204.3333333
n÷3
5196903.25
n÷5
4157522.6
n2
432124854237769
n3
8.9828442375762E+21
n4
1.8673188965001E+29
n5
3.8817102568032E+36
2 √n
4559.3434834414
3 √n
274.95916969564
4 √n
67.522910803974
5 √n
29.077758455184
1 , 7 , 11 , 49 , 77 , 539 , 38567 , 269969 , 424237 , 1889783 , 2969659 , 20787613
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20787612
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20787613 can be divided by 12 positive divisors.
The sum of these divisors (counting 20787613) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001111010011000110011101
3
Ternary
1110010010020121
4
Quaternary
1033103012131
5
Quinary
20310200423
6
Senary
2021314541
8
Octal
117230635
10
Decimal
20787613
12
Duodecimal
6b65a51
16
Hexadecimal
13d319d
20
Vigesimal
69i90d
36
Base36
cdjtp
md5
eba6454551365f424ac4dcf7b0c2e7f7
sha1
0895ab51d97521e51b1a08d0543ca79671833c79
sha256
fbfd41357d149cf90c2f7c56bd6b53776ce74afa6c4455ab5ba2b8ea03683f39
sha512
785da1cec2f7aef5f06e35ea94cfdd533461a71faec2e134c0264208f6c6fe932e84f79b0bc572aa6b98f61e8e4f430ddcd6338c35472ee87490e1fee7f43d3f
ripemd-160
1837c1b72e3ad960794d43ecb23a33d640fd686d
Diameter
41575226
Circumference
130612424.57294
Area
1.3575602675069E+15
Volume
3.7627249953481E+22
Surface area
5.4302410700277E+15
Circumference
130612424.57294
Perimeter
83150452
Area
432124854237769
Diagonal
29398124.233963
Surface area
2592749125426614
Volume
8.9828442375762E+21
Space diagonal
36005201.884079
Perimeter
62362839
Area
1.8711555068828E+14
Altitude
18002600.94204
Surface area
1.8711555068828E+14
Volume
1.0586383457888E+21
Height
9799374.7446544