20685798 is an even 8-digits composite number following 20685797
and preceding 20685799 . In scientific notation, it is written as 2.0685798 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 5910192 positive integers (up to 20685798) that are relatively prime to 20685798.
20685798 has 16 divisors, whose sum is 39401760
The reverse of 20685798 is 89758602
Previous prime number is 9
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
twenty million six hundred eighty-five thousand seven hundred ninety-eight
Scientific notation
2.0685798 × 10^7
Engineering notation
2.0685798 × 10^6
Prime Factorization
2 × 7 × 9 × 164173
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20685798
Product of the distinct prime numbers
The prime factorization of 20685798 is 2 × 7 × 9 × 164173.
Since it has a total of 4 prime factors.
8 , 6 , 69 , 49 , 591 , 123 , 4114 , 2920 , 25887 , 27487 , 426441 , 887729 , 2669716 , 1383574 , 38149156 , 47659392 , 492763904 , 381221785 , 8047927876 , 1845280211
n×2
41371596
n×3
62057394
n×4
82743192
n×5
103428990
n÷2
10342899
n÷3
6895266
n÷3
5171449.5
n÷5
4137159.6
n2
427902238896804
n3
8.851499277567E+21
n4
1.831003260529E+29
n5
3.7875763584644E+36
2 √n
4548.1642450554
3 √n
274.50953016173
4 √n
67.440078922369
5 √n
29.04921867778
1 , 2 , 7 , 9 , 14 , 18 , 63 , 126 , 164173 , 328346 , 1149211 , 1477557 , 2298422 , 2955114 , 10342899 , 20685798
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
-20685797
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 20685798 can be divided by 16 positive divisors.
The sum of these divisors (counting 20685798) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110111010001111100110
3
Ternary
1102220221120200
4
Quaternary
1032322033212
5
Quinary
20243421143
6
Senary
2015211330
8
Octal
116721746
10
Decimal
20685798
12
Duodecimal
6b16b46
16
Hexadecimal
13ba3e6
20
Vigesimal
695e9i
36
Base36
cbd9i
md5
71c064fc7ff0262fb53cf840adccf5e1
sha1
c9b71ec3caa394ee93178d405da804f4c646e8f7
sha256
9e5f1621bbe195ecf26627cc31ebe575783b6ccd77079225da23887e1ec4f4b9
sha512
94fe70f22c2e567df94528babd902c544ea7760a5d6da039fead88b662ea8898ca33b56ebc8d4222f692c238880410ef2ad4f92ae2a22ad776fcaf8a59b431e4
ripemd-160
4f940fb31904d47dcb14995eb2eb837ed60be4b6
Diameter
41371596
Circumference
129972702.06088
Area
1.3442945301728E+15
Volume
3.7077073471547E+22
Surface area
5.3771781206913E+15
Circumference
129972702.06088
Perimeter
82743192
Area
427902238896804
Diagonal
29254136.08011
Surface area
2567413433380824
Volume
8.851499277567E+21
Space diagonal
35828853.131107
Perimeter
62057394
Area
1.8528710461044E+14
Altitude
17914426.565553
Surface area
1.8528710461044E+14
Volume
1.0431591938059E+21
Height
9751378.6933701