20686761 is an odd 8-digits composite number following 20686760
and preceding 20686762 . In scientific notation, it is written as 2.0686761 × 10^7.
The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors.
There are 13770240 positive integers (up to 20686761) that are relatively prime to 20686761.
20686761 has 8 divisors, whose sum is 23020200
The reverse of 20686761 is 16768602
Previous prime number is 881
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million six hundred eighty-six thousand seven hundred sixty-one
Scientific notation
2.0686761 × 10^7
Engineering notation
2.0686761 × 10^6
Prime Factorization
9 × 881 × 2609
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20686761
Product of the distinct prime numbers
The prime factorization of 20686761 is 9 × 881 × 2609.
Since it has a total of 3 prime factors.
9 , 10 , 38 , 57 , 839 , 833 , 2990 , 9897 , 14954 , 8455 , 389092 , 229421 , 2377462 , 5721271 , 37002392 , 52262268 , 663493153 , 794216979 , 6470746084 , 8626043633
n×2
41373522
n×3
62060283
n×4
82747044
n×5
103433805
n÷2
10343380.5
n÷3
6895587
n÷3
5171690.25
n÷5
4137352.2
n2
427942080671121
n3
8.8527355446862E+21
n4
1.8313442440913E+29
n5
3.7884580686242E+36
2 √n
4548.2701107124
3 √n
274.51378990514
4 √n
67.440863804613
5 √n
29.049489142344
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20686760
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20686761 can be divided by 8 positive divisors.
The sum of these divisors (counting 20686761) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110111010011110101001
3
Ternary
1102220222220100
4
Quaternary
1032322132221
5
Quinary
20243434021
6
Senary
2015220013
8
Octal
116723651
10
Decimal
20686761
12
Duodecimal
6b17609
16
Hexadecimal
13ba7a9
20
Vigesimal
695gi1
36
Base36
cbe09
md5
e361bedbc15039082c3a2ae0740cc34f
sha1
f87be6dcfcd844a866e6a9597deb5e4121e1422e
sha256
ba6db22f9007c39f072bc463ff269cdb9d424ad68d37a4cb1f9d67ab0975061e
sha512
26e7fc7373ca0f04435a416990822e55adb74cc02d4ec63c0b14c3a0c092ff245ea80d230ac680d4f29cc40f152b593a4087ae76aee65e7ead9c6375e7aa9aa1
ripemd-160
80a0cda65ca023b52205f880bae09078da2e692e
Diameter
41373522
Circumference
129978752.76834
Area
1.3444196967983E+15
Volume
3.7082251935146E+22
Surface area
5.3776787871933E+15
Circumference
129978752.76834
Perimeter
82747044
Area
427942080671121
Diagonal
29255497.967771
Surface area
2567652484026726
Volume
8.8527355446862E+21
Space diagonal
35830521.096034
Perimeter
62060283
Area
1.8530435660478E+14
Altitude
17915260.548017
Surface area
1.8530435660478E+14
Volume
1.0433048892831E+21
Height
9751832.6559236