20768405 is an odd 8-digits composite number following 20768404
and preceding 20768406 . In scientific notation, it is written as 2.0768405 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 14085792 positive integers (up to 20768405) that are relatively prime to 20768405.
20768405 has 16 divisors, whose sum is 24680448
The reverse of 20768405 is 50486702
Previous prime number is 823
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million seven hundred sixty-eight thousand four hundred five
Scientific notation
2.0768405 × 10^7
Engineering notation
2.0768405 × 10^6
Prime Factorization
7 × 35 × 823 × 103
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20768405
Product of the distinct prime numbers
The prime factorization of 20768405 is 7 × 35 × 823 × 103.
Since it has a total of 4 prime factors.
7 , 2 , 78 , 61 , 637 , 900 , 8264 , 4213 , 28502 , 95510 , 707001 , 159542 , 7817614 , 6606277 , 51376764 , 74938611 , 325164707 , 928981913 , 2176162510 , 7820560010
n×2
41536810
n×3
62305215
n×4
83073620
n×5
103842025
n÷2
10384202.5
n÷3
6922801.6666667
n÷3
5192101.25
n÷5
4153681
n2
431326646244025
n3
8.9579664764876E+21
n4
1.8604267576012E+29
n5
3.8638096374698E+36
2 √n
4557.2365530001
3 √n
274.87445509078
4 √n
67.507307404459
5 √n
29.072382829491
1 , 7 , 35 , 103 , 245 , 721 , 823 , 3605 , 5761 , 25235 , 28805 , 84769 , 201635 , 593383 , 2966915 , 20768405
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
-20768404
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 20768405 can be divided by 16 positive divisors.
The sum of these divisors (counting 20768405) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111001110011010010101
3
Ternary
1110002010220012
4
Quaternary
1033032122111
5
Quinary
20304042110
6
Senary
2021050005
8
Octal
117163225
10
Decimal
20768405
12
Duodecimal
6b56905
16
Hexadecimal
13ce695
20
Vigesimal
69g105
36
Base36
cd505
md5
0d2bc8e474935bfea2a34c38ddab8870
sha1
33d264d7f6d16ca27a818524b6728d515407f18c
sha256
5a87c27dff755b31572742b7844eb9fa1e96671ddd83f52a5fb5ec4871637a74
sha512
feb1133620a4edd96e4643a65032ec26ea649281a79edfc6bfa57eca58bcdbea20646c23e4610ca95bb9902faf45ce809213d6e74047094802cabadad9a397a3
ripemd-160
2fcb04fe9c9e05246c9e1741e05884262ab795da
Diameter
41536810
Circumference
130491737.14956
Area
1.3550526231378E+15
Volume
3.7523042231516E+22
Surface area
5.420210492551E+15
Circumference
130491737.14956
Perimeter
83073620
Area
431326646244025
Diagonal
29370960.019857
Surface area
2587959877464150
Volume
8.9579664764876E+21
Space diagonal
35971932.652168
Perimeter
62305215
Area
1.8676991648823E+14
Altitude
17985966.326084
Surface area
1.8676991648823E+14
Volume
1.0557064735277E+21
Height
9790320.0066191