20109871 is an odd 8-digits prime number following 20109870
and preceding 20109872 . In scientific notation, it is written as 2.0109871 × 10^7.
The sum of its digits is 28. It has a total of 1 prime factors and 2 positive divisors.
There are 20109870 positive integers (up to 20109871) that are relatively prime to 20109871.
20109871 has 2 divisors, whose sum is 20109872
The reverse of 20109871 is 17890102
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million one hundred nine thousand eight hundred seventy-one
Scientific notation
2.0109871 × 10^7
Engineering notation
2.0109871 × 10^6
Prime Factorization
20109871
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20109871
Product of the distinct prime numbers
The prime factorization of 20109871 is 20109871.
Since it has a total of 1 prime factors.
7 , 2 , 22 , 2 , 687 , 480 , 9889 , 177 , 6520 , 68131 , 631408 , 288319 , 2819568 , 1935170 , 6712744 , 77489920 , 818923326 , 458932575 , 5874353786 , 3837723221
n×2
40219742
n×3
60329613
n×4
80439484
n×5
100549355
n÷2
10054935.5
n÷3
6703290.3333333
n÷3
5027467.75
n÷5
4021974.2
n2
404406911636641
n3
8.1325708245212E+21
n4
1.6354495017949E+29
n5
3.2888678508109E+36
2 √n
4484.4030817936
3 √n
271.9379138499
4 √n
66.965685853231
5 √n
28.885630860159
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20109872
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10054936
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4484.4031932912
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999005464
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20109871 can be divided by 2 positive divisors.
The sum of these divisors (counting 20109871) is 20109872, the average is 10054936.
Base
System
Value
2
Binary
1001100101101101000101111
3
Ternary
1101211200120001
4
Quaternary
1030231220233
5
Quinary
20122003441
6
Senary
1555005131
8
Octal
114555057
10
Decimal
20109871
12
Duodecimal
68997a7
16
Hexadecimal
132da2f
20
Vigesimal
65dedb
36
Base36
bz0vj
md5
a107fc1609ba5f78b7f6370ef0f3474c
sha1
3f68572c0f41df57b86f8c659673999428ed0b6a
sha256
1047931d611ce938fb20b8e309351d49197cbf0e5f400e813900ad6a5b4949f5
sha512
2597ddf2781c5008717067f9df0ad5e8a1dfe14b79e2b0352946a47397f2be5056a04893fb2b59bcacaa82758336812d1f4257da2cfe6c3731e271f3ae2d72cd
ripemd-160
654edd9f0963e8938ba9de417b2c5b34dd16508b
Diameter
40219742
Circumference
126354045.99648
Area
1.2704817826586E+15
Volume
3.4065633009486E+22
Surface area
5.0819271306344E+15
Circumference
126354045.99648
Perimeter
80439484
Area
404406911636641
Diagonal
28439652.305773
Surface area
2426441469819846
Volume
8.1325708245212E+21
Space diagonal
34831318.305656
Perimeter
60329613
Area
1.7511332947167E+14
Altitude
17415659.152828
Surface area
1.7511332947167E+14
Volume
9.5843266308314E+20
Height
9479884.1019245