20102691 is an odd 8-digits composite number following 20102690
and preceding 20102692 . In scientific notation, it is written as 2.0102691 × 10^7.
The sum of its digits is 21. It has a total of 4 prime factors and 12 positive divisors.
There are 11487168 positive integers (up to 20102691) that are relatively prime to 20102691.
20102691 has 12 divisors, whose sum is 31179912
The reverse of 20102691 is 19620102
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million one hundred two thousand six hundred ninety-one
Scientific notation
2.0102691 × 10^7
Engineering notation
2.0102691 × 10^6
Prime Factorization
3 × 7 × 7 × 136753
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
2871813
Product of the distinct prime numbers
The prime factorization of 20102691 is 3 × 7 × 7 × 136753.
Since it has a total of 4 prime factors.
6 , 6 , 61 , 55 , 765 , 858 , 1709 , 298 , 59507 , 93193 , 520541 , 719975 , 3490975 , 2334290 , 13489880 , 18499998 , 316209527 , 546416940 , 4956607694 , 2206047096
n×2
40205382
n×3
60308073
n×4
80410764
n×5
100513455
n÷2
10051345.5
n÷3
6700897
n÷3
5025672.75
n÷5
4020538.2
n2
404118185441481
n3
8.1238630094108E+21
n4
1.6331150780452E+29
n5
3.2830007781383E+36
2 √n
4483.6024578457
3 √n
271.90554588755
4 √n
66.959707719237
5 √n
28.883567908531
1 , 3 , 7 , 21 , 49 , 147 , 136753 , 410259 , 957271 , 2871813 , 6700897 , 20102691
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
-20102690
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 20102691 can be divided by 12 positive divisors.
The sum of these divisors (counting 20102691) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100101011111000100011
3
Ternary
1101211022201010
4
Quaternary
1030223320203
5
Quinary
20121241231
6
Senary
1554512003
8
Octal
114537043
10
Decimal
20102691
12
Duodecimal
6895603
16
Hexadecimal
132be23
20
Vigesimal
65cgeb
36
Base36
byvc3
md5
a2eff6b57d41b14a6a1b40c66475ecad
sha1
9760eebf4f68126feae90fb0285546c145823549
sha256
c60662885a6af02f39c9ed09a129ec75cf9b1921131dfe59d4f42319c1aa41a7
sha512
a0e726f08430c7c3722bea2ca35ec074d43f36e2d517c139b9261de59d61eab9a8ae39294f88daf6c115a19f8bcfe99bbe525d2a32787053c22b8c3960551060
ripemd-160
cd399ca2d67b67222a075f9a23cc969fc28797b0
Diameter
40205382
Circumference
126308932.72597
Area
1.269574722565E+15
Volume
3.4029157798846E+22
Surface area
5.07829889026E+15
Circumference
126308932.72597
Perimeter
80410764
Area
404118185441481
Diagonal
28429498.252396
Surface area
2424709112648886
Volume
8.1238630094108E+21
Space diagonal
34818882.180858
Perimeter
60308073
Area
1.749883073618E+14
Altitude
17409441.090429
Surface area
1.749883073618E+14
Volume
9.5740643723082E+20
Height
9476499.4174652