20681924 is an even 8-digits composite number following 20681923
and preceding 20681925 . In scientific notation, it is written as 2.0681924 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors.
There are 10274784 positive integers (up to 20681924) that are relatively prime to 20681924.
20681924 has 12 divisors, whose sum is 36425004
The reverse of 20681924 is 42918602
Previous prime number is 157
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million six hundred eighty-one thousand nine hundred twenty-four
Scientific notation
2.0681924 × 10^7
Engineering notation
2.0681924 × 10^6
Prime Factorization
2 × 2 × 157 × 32933
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10340962
Product of the distinct prime numbers
The prime factorization of 20681924 is 2 × 2 × 157 × 32933.
Since it has a total of 4 prime factors.
1 , 7 , 80 , 96 , 710 , 295 , 5180 , 829 , 84614 , 67580 , 324686 , 42028 , 6332398 , 4664324 , 82158969 , 46362109 , 384231067 , 88178693 , 1009302691 , 3008745705
n×2
41363848
n×3
62045772
n×4
82727696
n×5
103409620
n÷2
10340962
n÷3
6893974.6666667
n÷3
5170481
n÷5
4136384.8
n2
427741980341776
n3
8.8465271290381E+21
n4
1.829632017467E+29
n5
3.784031033322E+36
2 √n
4547.7383389988
3 √n
274.49239253726
4 √n
67.436921185645
5 √n
29.04813053891
1 , 2 , 4 , 157 , 314 , 628 , 32933 , 65866 , 131732 , 5170481 , 10340962 , 20681924
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
-20681923
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 20681924 can be divided by 12 positive divisors.
The sum of these divisors (counting 20681924) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001110111001010011000100
3
Ternary
1102220202021012
4
Quaternary
1032321103010
5
Quinary
20243310144
6
Senary
2015141352
8
Octal
116712304
10
Decimal
20681924
12
Duodecimal
6b14858
16
Hexadecimal
13b94c4
20
Vigesimal
6954g4
36
Base36
cba9w
md5
71d5dcb02b2f8dadcbe9801e83129e44
sha1
7ac348cb7499e411df72479d9ab660e0b5a212d4
sha256
c81e72191249d05839754b043ce500b2b1033ef5116215a3627801347297219c
sha512
85fd72e9ab1cd9be595714962539c4c0b6f83b5842ed004fb4ab109a82b0795fa56bd002d2614bc79268c9942ad2559cc6a080d7404c8cd66e72c52178f99482
ripemd-160
ee40c824e453ff168c9ee472ea464624cb25e46e
Diameter
41363848
Circumference
129948361.001
Area
1.3437910630737E+15
Volume
3.7056246184492E+22
Surface area
5.3751642522947E+15
Circumference
129948361.001
Perimeter
82727696
Area
427741980341776
Diagonal
29248657.41677
Surface area
2566451882050656
Volume
8.8465271290381E+21
Space diagonal
35822143.166278
Perimeter
62045772
Area
1.8521771062052E+14
Altitude
17911071.583139
Surface area
1.8521771062052E+14
Volume
1.0425732204823E+21
Height
9749552.4722565