20771281 is an odd 8-digits prime number following 20771280
and preceding 20771282 . In scientific notation, it is written as 2.0771281 × 10^7.
The sum of its digits is 28. It has a total of 1 prime factors and 2 positive divisors.
There are 20771280 positive integers (up to 20771281) that are relatively prime to 20771281.
20771281 has 2 divisors, whose sum is 20771282
The reverse of 20771281 is 18217702
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million seven hundred seventy-one thousand two hundred eighty-one
Scientific notation
2.0771281 × 10^7
Engineering notation
2.0771281 × 10^6
Prime Factorization
20771281
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20771281
Product of the distinct prime numbers
The prime factorization of 20771281 is 20771281.
Since it has a total of 1 prime factors.
10 , 2 , 2 , 32 , 188 , 656 , 449 , 1144 , 15314 , 80859 , 744399 , 65864 , 6663872 , 8363788 , 67856130 , 2543740 , 542375533 , 636829125 , 5468140404 , 7910753342
n×2
41542562
n×3
62313843
n×4
83085124
n×5
103856405
n÷2
10385640.5
n÷3
6923760.3333333
n÷3
5192820.25
n÷5
4154256.2
n2
431446114380961
n3
8.9616884781651E+21
n4
1.8614574961443E+29
n5
3.866485672197E+36
2 √n
4557.5520841785
3 √n
274.8871426715
4 √n
67.509644378996
5 √n
29.073187971167
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20771282
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10385641
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4557.5521938865
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999037132
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20771281 can be divided by 2 positive divisors.
The sum of these divisors (counting 20771281) is 20771282, the average is 10385641.
Base
System
Value
2
Binary
1001111001111000111010001
3
Ternary
1110002021211201
4
Quaternary
1033033013101
5
Quinary
20304140111
6
Senary
2021111201
8
Octal
117170721
10
Decimal
20771281
12
Duodecimal
6b58501
16
Hexadecimal
13cf1d1
20
Vigesimal
69g841
36
Base36
cd781
md5
f28880e575b50b8cd2c478674740c071
sha1
7237769767e0785bb9ac68377e4a97ff0b9783d1
sha256
ac0b76a18ec362c3567559821dad7db09a2faecdd031c1c3a4799d0ef2eccef9
sha512
7a6d0c8a002e122790b9856cfc3ec76771757858777add94173629830f53d175b65737588ef8dbc96c7d908c3ce4508e6cfb8136790ccc9523ae949f96e31f34
ripemd-160
39d855d9a2f948052f0eba6ef463c9bc06a8154b
Diameter
41542562
Circumference
130509807.5905
Area
1.3554279433591E+15
Volume
3.7538632915685E+22
Surface area
5.4217117734364E+15
Circumference
130509807.5905
Perimeter
83085124
Area
431446114380961
Diagonal
29375027.298063
Surface area
2588676686285766
Volume
8.9616884781651E+21
Space diagonal
35976914.03029
Perimeter
62313843
Area
1.86821647709E+14
Altitude
17988457.015145
Surface area
1.86821647709E+14
Volume
1.056145115632E+21
Height
9791675.7660209