20213631 is an odd 8-digits composite number following 20213630
and preceding 20213632 . In scientific notation, it is written as 2.0213631 × 10^7.
The sum of its digits is 18. It has a total of 4 prime factors and 12 positive divisors.
There are 13251600 positive integers (up to 20213631) that are relatively prime to 20213631.
20213631 has 12 divisors, whose sum is 23087064
The reverse of 20213631 is 13631202
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty million two hundred thirteen thousand six hundred thirty-one
Scientific notation
2.0213631 × 10^7
Engineering notation
2.0213631 × 10^6
Prime Factorization
9 × 9 × 61 × 4091
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
2245959
Product of the distinct prime numbers
The prime factorization of 20213631 is 9 × 9 × 61 × 4091.
Since it has a total of 4 prime factors.
4 , 1 , 48 , 56 , 348 , 824 , 6350 , 3969 , 31651 , 72049 , 858121 , 258704 , 7777954 , 1300160 , 73047764 , 12900711 , 628412697 , 263802258 , 9413878754 , 3148272962
n×2
40427262
n×3
60640893
n×4
80854524
n×5
101068155
n÷2
10106815.5
n÷3
6737877
n÷3
5053407.75
n÷5
4042726.2
n2
408590878204161
n3
8.2591052419849E+21
n4
1.6694650575165E+29
n5
3.3745950640032E+36
2 √n
4495.9571839598
3 √n
272.40481370911
4 √n
67.051899182349
5 √n
28.915377509327
1 , 9 , 61 , 81 , 549 , 4091 , 4941 , 36819 , 249551 , 331371 , 2245959 , 20213631
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20213630
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20213631 can be divided by 12 positive divisors.
The sum of these divisors (counting 20213631) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001101000110111101111111
3
Ternary
1102000221220000
4
Quaternary
1031012331333
5
Quinary
20133314011
6
Senary
2001125343
8
Octal
115067577
10
Decimal
20213631
12
Duodecimal
6929853
16
Hexadecimal
1346f7f
20
Vigesimal
666e1b
36
Base36
c18xr
md5
3e10ed7494f19a61e94cd2c5cfbc03a9
sha1
b381ab5948ac0fc4571603d504576a5f72f1a3c3
sha256
48d3967c41b9b780b0226415b0d4abcd6407b92c16d8c8216cf1bbd10577d181
sha512
4c4dc20e93ab076cdb79d06de364836fd7f82a66c01065c83a5c5e5de88d3824ef7b47f7d0fbf2ee470683f270ac7d42ac644a6301b9dbc49bd2217f29407468
ripemd-160
3a4cd3d9ef229fca43cbede9a4480f4e82279369
Diameter
40427262
Circumference
127005989.30395
Area
1.28362610129E+15
Volume
3.4595659137926E+22
Surface area
5.13450440516E+15
Circumference
127005989.30395
Perimeter
80854524
Area
408590878204161
Diagonal
28586391.105005
Surface area
2451545269224966
Volume
8.2591052419849E+21
Space diagonal
35011035.897449
Perimeter
60640893
Area
1.769250401397E+14
Altitude
17505517.948725
Surface area
1.769250401397E+14
Volume
9.7334488719014E+20
Height
9528797.0350017