20685747 is an odd 8-digits composite number following 20685746
and preceding 20685748 . In scientific notation, it is written as 2.0685747 × 10^7.
The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors.
There are 13790496 positive integers (up to 20685747) that are relatively prime to 20685747.
20685747 has 4 divisors, whose sum is 27581000
The reverse of 20685747 is 74758602
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty million six hundred eighty-five thousand seven hundred forty-seven
Scientific notation
2.0685747 × 10^7
Engineering notation
2.0685747 × 10^6
Prime Factorization
3 × 6895249
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20685747
Product of the distinct prime numbers
The prime factorization of 20685747 is 3 × 6895249.
Since it has a total of 2 prime factors.
3 , 3 , 87 , 33 , 140 , 800 , 7388 , 8555 , 55173 , 76031 , 654642 , 33215 , 4167659 , 2915787 , 84617385 , 17575896 , 886186023 , 585471021 , 560811369 , 9750752401
n×2
41371494
n×3
62057241
n×4
82742988
n×5
103428735
n÷2
10342873.5
n÷3
6895249
n÷3
5171436.75
n÷5
4137149.4
n2
427900128948009
n3
8.8514338086859E+21
n4
1.8309852035372E+29
n5
3.7875296681115E+36
2 √n
4548.1586383942
3 √n
274.50930456415
4 √n
67.440037354632
5 √n
29.049204353831
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
-20685746
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 20685747 can be divided by 4 positive divisors.
The sum of these divisors (counting 20685747) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110111010001110110011
3
Ternary
1102220221111210
4
Quaternary
1032322032303
5
Quinary
20243420442
6
Senary
2015211203
8
Octal
116721663
10
Decimal
20685747
12
Duodecimal
6b16b03
16
Hexadecimal
13ba3b3
20
Vigesimal
695e77
36
Base36
cbd83
md5
1f29756886bca597609b245c91da1f7f
sha1
1ff050788de0ea91a1916bb41beb80219f853bc4
sha256
4f3ecac6d585debe45fde738b9bb08ca43c9db16c8e896fcccbc97a886a38c53
sha512
6241b0db42e5a1ea442331b6f6758a37af68f1074ee8701135a5b63f67e61a1083c9229352a854db1fec427c3a003b3d53deff01b9987e318b0dd19ef5d6e836
ripemd-160
8e782dc6c55d6e7fdbe856bf82a8e335d7ba6117
Diameter
41371494
Circumference
129972381.61843
Area
1.3442879015732E+15
Volume
3.7076799236139E+22
Surface area
5.3771516062928E+15
Circumference
129972381.61843
Perimeter
82742988
Area
427900128948009
Diagonal
29254063.955219
Surface area
2567400773688054
Volume
8.8514338086859E+21
Space diagonal
35828764.796515
Perimeter
62057241
Area
1.8528619097581E+14
Altitude
17914382.398258
Surface area
1.8528619097581E+14
Volume
1.0431514782243E+21
Height
9751354.6517395