20787730 is an even 8-digits composite number following 20787729
and preceding 20787731 . In scientific notation, it is written as 2.0787730 × 10^7.
The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors.
There are 8221312 positive integers (up to 20787730) that are relatively prime to 20787730.
20787730 has 16 divisors, whose sum is 37839960
The reverse of 20787730 is 03778702
Previous prime number is 89
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million seven hundred eighty-seven thousand seven hundred thirty
Scientific notation
2.0787730 × 10^7
Engineering notation
2.0787730 × 10^6
Prime Factorization
2 × 5 × 89 × 23357
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20787730
Product of the distinct prime numbers
The prime factorization of 20787730 is 2 × 5 × 89 × 23357.
Since it has a total of 4 prime factors.
6 , 7 , 57 , 67 , 576 , 377 , 1626 , 6067 , 33094 , 73621 , 636439 , 581380 , 7621003 , 4471383 , 96801840 , 93937212 , 4725744 , 932067205 , 3452048930 , 1255481361
n×2
41575460
n×3
62363190
n×4
83150920
n×5
103938650
n÷2
10393865
n÷3
6929243.3333333
n÷3
5196932.5
n÷5
4157546
n2
432129718552900
n3
8.9829959142537E+21
n4
1.8673609365661E+29
n5
3.8818194961883E+36
2 √n
4559.3563142181
3 √n
274.95968555033
4 √n
67.523005814449
5 √n
29.077791187081
1 , 2 , 5 , 10 , 89 , 178 , 445 , 890 , 23357 , 46714 , 116785 , 233570 , 2078773 , 4157546 , 10393865 , 20787730
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
-20787729
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 20787730 can be divided by 16 positive divisors.
The sum of these divisors (counting 20787730) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111010011001000010010
3
Ternary
1110010010101221
4
Quaternary
1033103020102
5
Quinary
20310201410
6
Senary
2021315254
8
Octal
117231022
10
Decimal
20787730
12
Duodecimal
6b65b2a
16
Hexadecimal
13d3212
20
Vigesimal
69i96a
36
Base36
cdjwy
md5
269463a6e642dc9bdc8a1ff5c238b70f
sha1
80b321bb9a5811637a6eca5dc03817662ca5754f
sha256
b13d79e3e9e25067446d23613fc798791d48173d00bcb6b320665b8ba29a638a
sha512
95c1119a7f983d459ed5d7d68371d5fad3e598497d02795d13f2c174c4c8295174ca512761c25c3e44587a506fc5c16f957d54d25e9860274fc1862c6d668e7b
ripemd-160
0f7622e9911e6e14862fe683d1555931ddb4c48d
Diameter
41575460
Circumference
130613159.70562
Area
1.3575755492036E+15
Volume
3.7627885295262E+22
Surface area
5.4303021968145E+15
Circumference
130613159.70562
Perimeter
83150920
Area
432129718552900
Diagonal
29398289.69695
Surface area
2592778311317400
Volume
8.9829959142537E+21
Space diagonal
36005404.534024
Perimeter
62363190
Area
1.8711765699852E+14
Altitude
18002702.267012
Surface area
1.8711765699852E+14
Volume
1.0586562210566E+21
Height
9799429.8989834