20971591 is an odd 8-digits composite number following 20971590
and preceding 20971592 . In scientific notation, it is written as 2.0971591 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 19648128 positive integers (up to 20971591) that are relatively prime to 20971591.
20971591 has 8 divisors, whose sum is 22306320
The reverse of 20971591 is 19517902
Previous prime number is 229
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million nine hundred seventy-one thousand five hundred ninety-one
Scientific notation
2.0971591 × 10^7
Engineering notation
2.0971591 × 10^6
Prime Factorization
17 × 229 × 5387
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20971591
Product of the distinct prime numbers
The prime factorization of 20971591 is 17 × 229 × 5387.
Since it has a total of 3 prime factors.
6 , 9 , 35 , 79 , 360 , 83 , 7995 , 4234 , 64817 , 30217 , 532012 , 659232 , 9829740 , 1882015 , 55268035 , 71581004 , 307488341 , 876789950 , 8936198698 , 4655178112
n×2
41943182
n×3
62914773
n×4
83886364
n×5
104857955
n÷2
10485795.5
n÷3
6990530.3333333
n÷3
5242897.75
n÷5
4194318.2
n2
439807629071281
n3
9.2234657155626E+21
n4
1.934307505893E+29
n5
4.0565505881818E+36
2 √n
4579.4749699065
3 √n
275.76795153154
4 √n
67.671818136551
5 √n
29.12904697191
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20971590
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20971591 can be divided by 8 positive divisors.
The sum of these divisors (counting 20971591) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000000000000001000111
3
Ternary
1110110110121121
4
Quaternary
1100000001013
5
Quinary
20332042331
6
Senary
2025254411
8
Octal
120000107
10
Decimal
20971591
12
Duodecimal
7034407
16
Hexadecimal
1400047
20
Vigesimal
6b18jb
36
Base36
chhs7
md5
a46fb153a72c83981bb26341e99f0fe2
sha1
e1537e5ddc00146619b737904143c81a50d2dafe
sha256
48f8ea07087f83193402816fcddd46dc52da0c499ea4bf4bf099be6e84758313
sha512
5c7622be532cf51138a9a1aaceb73f7b39ea2c3569d321f23d5eefac12e737b41977a287b31ded2447dd1d681da5d0f0c5d447366aa363805bfcd4adfc0d9468
ripemd-160
859a7a99d8c68770465312a638282b3d81ac32a1
Diameter
41943182
Circumference
131768392.43938
Area
1.3816964164831E+15
Volume
3.8635162843532E+22
Surface area
5.5267856659323E+15
Circumference
131768392.43938
Perimeter
83886364
Area
439807629071281
Diagonal
29658308.416742
Surface area
2638845774427686
Volume
9.2234657155626E+21
Space diagonal
36323861.127554
Perimeter
62914773
Area
1.9044228977697E+14
Altitude
18161930.563777
Surface area
1.9044228977697E+14
Volume
1.0869958589193E+21
Height
9886102.8055805