20081291 is an odd 8-digits prime number following 20081290
and preceding 20081292 . In scientific notation, it is written as 2.0081291 × 10^7.
The sum of its digits is 23. It has a total of 1 prime factors and 2 positive divisors.
There are 20081290 positive integers (up to 20081291) that are relatively prime to 20081291.
20081291 has 2 divisors, whose sum is 20081292
The reverse of 20081291 is 19218002
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million eighty-one thousand two hundred ninety-one
Scientific notation
2.0081291 × 10^7
Engineering notation
2.0081291 × 10^6
Prime Factorization
20081291
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20081291
Product of the distinct prime numbers
The prime factorization of 20081291 is 20081291.
Since it has a total of 1 prime factors.
4 , 1 , 27 , 48 , 995 , 799 , 3011 , 405 , 16367 , 33367 , 297900 , 369499 , 7744171 , 5209742 , 77525190 , 22480218 , 9186130 , 883494453 , 4069358268 , 5286775663
n×2
40162582
n×3
60243873
n×4
80325164
n×5
100406455
n÷2
10040645.5
n÷3
6693763.6666667
n÷3
5020322.75
n÷5
4016258.2
n2
403258248226681
n3
8.0979462307902E+21
n4
1.6261721476285E+29
n5
3.2655636112623E+36
2 √n
4481.2153485411
3 √n
271.80902738883
4 √n
66.94188037799
5 √n
28.877415779739
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20081292
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10040646
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4481.2154601179
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999004048
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20081291 can be divided by 2 positive divisors.
The sum of these divisors (counting 20081291) is 20081292, the average is 10040646.
Base
System
Value
2
Binary
1001100100110101010001011
3
Ternary
1101210020100112
4
Quaternary
1030212222023
5
Quinary
20120100131
6
Senary
1554224535
8
Octal
114465213
10
Decimal
20081291
12
Duodecimal
688514b
16
Hexadecimal
1326a8b
20
Vigesimal
65a34b
36
Base36
byetn
md5
49b20e5f38712991212f2601c9a3e7fd
sha1
1298a424f5782245366a43e497cf12fb4ef1c77e
sha256
546c45708ed1d9c694ad3cea06b324b94f3b6c15365f26862b20df835c26d946
sha512
430bb12efbdedf11deb322392644a065f7267d9f8896d4b843043ad5a53b03a0b8bb8d0161eb5ff2650a2bb47a480c6a6b64617fdccef3740de85915755a0135
ripemd-160
32d2260e8ebcc890acea672fde95b272d65a4ffd
Diameter
40162582
Circumference
126174472.5604
Area
1.2668731501284E+15
Volume
3.3920597850421E+22
Surface area
5.0674926005137E+15
Circumference
126174472.5604
Perimeter
80325164
Area
403258248226681
Diagonal
28399234.082161
Surface area
2419549489360086
Volume
8.0979462307902E+21
Space diagonal
34781816.293576
Perimeter
60243873
Area
1.7461594362496E+14
Altitude
17390908.146788
Surface area
1.7461594362496E+14
Volume
9.543521155793E+20
Height
9466411.3607203