20685739 is an odd 8-digits composite number following 20685738
and preceding 20685740 . In scientific notation, it is written as 2.0685739 × 10^7.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 20606824 positive integers (up to 20685739) that are relatively prime to 20685739.
20685739 has 4 divisors, whose sum is 20764656
The reverse of 20685739 is 93758602
Previous prime number is 263
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty million six hundred eighty-five thousand seven hundred thirty-nine
Scientific notation
2.0685739 × 10^7
Engineering notation
2.0685739 × 10^6
Prime Factorization
263 × 78653
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20685739
Product of the distinct prime numbers
The prime factorization of 20685739 is 263 × 78653.
Since it has a total of 2 prime factors.
1 , 6 , 67 , 30 , 175 , 975 , 5023 , 3808 , 24088 , 75667 , 830446 , 169231 , 2436558 , 4528255 , 95417598 , 55855979 , 998554891 , 58449421 , 1044275724 , 4165925970
n×2
41371478
n×3
62057217
n×4
82742956
n×5
103428695
n÷2
10342869.5
n÷3
6895246.3333333
n÷3
5171434.75
n÷5
4137147.8
n2
427899797976121
n3
8.8514235390868E+21
n4
1.8309823710801E+29
n5
3.7875223441763E+36
2 √n
4548.1577589173
3 √n
274.50926917626
4 √n
67.440030834196
5 √n
29.049202106934
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20685738
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20685739 can be divided by 4 positive divisors.
The sum of these divisors (counting 20685739) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110111010001110101011
3
Ternary
1102220221111111
4
Quaternary
1032322032223
5
Quinary
20243420424
6
Senary
2015211151
8
Octal
116721653
10
Decimal
20685739
12
Duodecimal
6b16ab7
16
Hexadecimal
13ba3ab
20
Vigesimal
695e6j
36
Base36
cbd7v
md5
0b7087d4687eff80da83218f5001e673
sha1
abcd2540fcda3ead0fd9b30fc9c7b546b9a6743f
sha256
969f6487d761690baf398b216f2f94acce4ce0eb2d2d295f344d90ddc94d6a91
sha512
940e57994c7bbfc0261a6c981a64dba6d24088b915291c8e554a79cc645a2825ba382476b2b0d09d4de7a6d5f13755cf9738e9fd44577e9854471a8763fcceb2
ripemd-160
2c064db9dd08243845a8fadea2f0405e7b786549
Diameter
41371478
Circumference
129972331.35295
Area
1.3442868617943E+15
Volume
3.7076756218942E+22
Surface area
5.3771474471774E+15
Circumference
129972331.35295
Perimeter
82742956
Area
427899797976121
Diagonal
29254052.64151
Surface area
2567398787856726
Volume
8.8514235390868E+21
Space diagonal
35828750.940109
Perimeter
62057217
Area
1.8528604766077E+14
Altitude
17914375.470055
Surface area
1.8528604766077E+14
Volume
1.0431502679404E+21
Height
9751350.8805034