20684578 is an even 8-digits composite number following 20684577
and preceding 20684579 . In scientific notation, it is written as 2.0684578 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors.
There are 9797616 positive integers (up to 20684578) that are relatively prime to 20684578.
20684578 has 12 divisors, whose sum is 32746950
The reverse of 20684578 is 87548602
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty million six hundred eighty-four thousand five hundred seventy-eight
Scientific notation
2.0684578 × 10^7
Engineering notation
2.0684578 × 10^6
Prime Factorization
2 × 19 × 19 × 28649
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1088662
Product of the distinct prime numbers
The prime factorization of 20684578 is 2 × 19 × 19 × 28649.
Since it has a total of 4 prime factors.
3 , 3 , 14 , 71 , 314 , 69 , 7221 , 349 , 19883 , 85493 , 100955 , 465612 , 1244619 , 8314922 , 12795826 , 87004607 , 855590800 , 12289278 , 6653553864 , 7720737819
n×2
41369156
n×3
62053734
n×4
82738312
n×5
103422890
n÷2
10342289
n÷3
6894859.3333333
n÷3
5171144.5
n÷5
4136915.6
n2
427851767038084
n3
8.8499332477371E+21
n4
1.8305713455761E+29
n5
3.7864595782134E+36
2 √n
4548.0301230313
3 √n
274.50413341221
4 √n
67.439084535833
5 √n
29.048876018697
1 , 2 , 19 , 38 , 361 , 722 , 28649 , 57298 , 544331 , 1088662 , 10342289 , 20684578
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20684577
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20684578 can be divided by 12 positive divisors.
The sum of these divisors (counting 20684578) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001110111001111100100010
3
Ternary
1102220212220111
4
Quaternary
1032321330202
5
Quinary
20243401303
6
Senary
2015201534
8
Octal
116717442
10
Decimal
20684578
12
Duodecimal
6b162aa
16
Hexadecimal
13b9f22
20
Vigesimal
695b8i
36
Base36
cbcbm
md5
d452e4b26131dcf66df0f39dc143cf18
sha1
d98c716eb8e9dc8f029a49481b04429e5ba223b1
sha256
81f0a45da827763084f1bdb863dd3f9df2c97e71e31a4b1c9e64fe1b0eb75f3c
sha512
2053b86ce3770d15138e0f5d6962d695a60205bf04b587cb310a2a8970a12bbccee39525552db54e11b6382a88eba6dd87abaacbdb28af4f5b56c3176e6f1ea2
ripemd-160
91b8075cd268b948719234ab77f445a2f6a96275
Diameter
41369156
Circumference
129965036.57481
Area
1.3441359681523E+15
Volume
3.7070513701134E+22
Surface area
5.376543872609E+15
Circumference
129965036.57481
Perimeter
82738312
Area
427851767038084
Diagonal
29252410.739564
Surface area
2567110602228504
Volume
8.8499332477371E+21
Space diagonal
35826740.029121
Perimeter
62053734
Area
1.8526524965452E+14
Altitude
17913370.014561
Surface area
1.8526524965452E+14
Volume
1.0429746354205E+21
Height
9750803.5798547