20081731 is an odd 8-digits composite number following 20081730
and preceding 20081732 . In scientific notation, it is written as 2.0081731 × 10^7.
The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors.
There are 19614672 positive integers (up to 20081731) that are relatively prime to 20081731.
20081731 has 4 divisors, whose sum is 20548792
The reverse of 20081731 is 13718002
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty million eighty-one thousand seven hundred thirty-one
Scientific notation
2.0081731 × 10^7
Engineering notation
2.0081731 × 10^6
Prime Factorization
43 × 467017
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20081731
Product of the distinct prime numbers
The prime factorization of 20081731 is 43 × 467017.
Since it has a total of 2 prime factors.
2 , 8 , 4 , 73 , 389 , 183 , 8302 , 3946 , 2616 , 45577 , 805292 , 498527 , 4436245 , 1435475 , 18123675 , 64036568 , 435333891 , 498776456 , 7514655622 , 5871825611
n×2
40163462
n×3
60245193
n×4
80326924
n×5
100408655
n÷2
10040865.5
n÷3
6693910.3333333
n÷3
5020432.75
n÷5
4016346.2
n2
403275919956361
n3
8.0984785433412E+21
n4
1.6263146761665E+29
n5
3.2659213848128E+36
2 √n
4481.2644420967
3 √n
271.8110125716
4 √n
66.942247064889
5 √n
28.877542324906
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20081730
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20081731 can be divided by 4 positive divisors.
The sum of these divisors (counting 20081731) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100100110110001000011
3
Ternary
1101210020221211
4
Quaternary
1030212301003
5
Quinary
20120103411
6
Senary
1554230551
8
Octal
114466103
10
Decimal
20081731
12
Duodecimal
6885457
16
Hexadecimal
1326c43
20
Vigesimal
65a46b
36
Base36
byf5v
md5
e2c8449d2bc8b813b561de82e6c6d624
sha1
f9ea6e1d1fb078ff0275221cf351281a703a12e2
sha256
be518b76e8bfd2f78a6b8a11178b1b487573283698b87131d535f18c02e67c99
sha512
56952e0aed545088d26d31146b93ab18b6a3551afc7a48c9699aef28fee43d08b7fa7721f8ffb7a8dcccb317c89ba1b95d6b04d92979eb5805f82f080d68a128
ripemd-160
a1f46fe5f48d4288d94f5066fb31592f72f1dfba
Diameter
40163462
Circumference
126177237.16193
Area
1.2669286675046E+15
Volume
3.392282759602E+22
Surface area
5.0677146700183E+15
Circumference
126177237.16193
Perimeter
80326924
Area
403275919956361
Diagonal
28399856.336128
Surface area
2419655519738166
Volume
8.0984785433412E+21
Space diagonal
34782578.395931
Perimeter
60245193
Area
1.7462359570837E+14
Altitude
17391289.197965
Surface area
1.7462359570837E+14
Volume
9.5441484921505E+20
Height
9466618.7787094