20156231 is an odd 8-digits composite number following 20156230
and preceding 20156232 . In scientific notation, it is written as 2.0156231 × 10^7.
The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors.
There are 18977760 positive integers (up to 20156231) that are relatively prime to 20156231.
20156231 has 8 divisors, whose sum is 21369984
The reverse of 20156231 is 13265102
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty million one hundred fifty-six thousand two hundred thirty-one
Scientific notation
2.0156231 × 10^7
Engineering notation
2.0156231 × 10^6
Prime Factorization
37 × 31 × 17573
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20156231
Product of the distinct prime numbers
The prime factorization of 20156231 is 37 × 31 × 17573.
Since it has a total of 3 prime factors.
8 , 6 , 31 , 73 , 469 , 242 , 2111 , 1821 , 23174 , 21638 , 676469 , 264342 , 5753933 , 1683222 , 41805358 , 96511979 , 920442003 , 574366110 , 1803798112 , 1232218946
n×2
40312462
n×3
60468693
n×4
80624924
n×5
100781155
n÷2
10078115.5
n÷3
6718743.6666667
n÷3
5039057.75
n÷5
4031246.2
n2
406273648125361
n3
8.1889455008275E+21
n4
1.6505827716109E+29
n5
3.3269527629209E+36
2 √n
4489.5691330015
3 √n
272.14672285144
4 √n
67.004247126593
5 √n
28.89893681013
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
-20156230
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 20156231 can be divided by 8 positive divisors.
The sum of these divisors (counting 20156231) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100111000111101000111
3
Ternary
1101221001011002
4
Quaternary
1030320331013
5
Quinary
20124444411
6
Senary
2000003515
8
Octal
114707507
10
Decimal
20156231
12
Duodecimal
690059b
16
Hexadecimal
1338f47
20
Vigesimal
65jabb
36
Base36
c00nb
md5
1ca32299c8cbd5d15cc460f85aad1d7f
sha1
119ae023d62a4d18350352c8498234647b34a327
sha256
c130b0e4c4084ea2dfb50f551af8ba4a7efa59e62e750330e1499ea0c33477f2
sha512
519240537e4af3adbaf40db1493d29243ea3ee5e60861fdf997070a5c5cff70d9b43e2e768ebc716b6db01f07ce77b87640b4177ae264cc6e734354c2077d043
ripemd-160
881d901e16393cd7c03b965f45eceb84eee0ab9a
Diameter
40312462
Circumference
126645334.46732
Area
1.2763463082978E+15
Volume
3.4301774701396E+22
Surface area
5.105385233191E+15
Circumference
126645334.46732
Perimeter
80624924
Area
406273648125361
Diagonal
28505215.246525
Surface area
2437641888752166
Volume
8.1889455008275E+21
Space diagonal
34911616.181095
Perimeter
60468693
Area
1.7592165008237E+14
Altitude
17455808.090547
Surface area
1.7592165008237E+14
Volume
9.6507648240036E+20
Height
9501738.4155083