20731089 is an odd 8-digits composite number following 20731088
and preceding 20731090 . In scientific notation, it is written as 2.0731089 × 10^7.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 13526576 positive integers (up to 20731089) that are relatively prime to 20731089.
20731089 has 8 divisors, whose sum is 28229760
The reverse of 20731089 is 98013702
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million seven hundred thirty-one thousand eighty-nine
Scientific notation
2.0731089 × 10^7
Engineering notation
2.0731089 × 10^6
Prime Factorization
3 × 47 × 147029
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20731089
Product of the distinct prime numbers
The prime factorization of 20731089 is 3 × 47 × 147029.
Since it has a total of 3 prime factors.
4 , 6 , 56 , 24 , 893 , 360 , 1189 , 3207 , 54512 , 15559 , 763937 , 448922 , 7637225 , 2950703 , 14380246 , 14548826 , 17340405 , 870416835 , 175740378 , 1841118054
n×2
41462178
n×3
62193267
n×4
82924356
n×5
103655445
n÷2
10365544.5
n÷3
6910363
n÷3
5182772.25
n÷5
4146217.8
n2
429778051125921
n3
8.909767028138E+21
n4
1.8470917322959E+29
n5
3.8292223093391E+36
2 √n
4553.1405644895
3 √n
274.7097278752
4 √n
67.476963213304
5 √n
29.061928048977
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
-20731088
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 20731089 can be divided by 8 positive divisors.
The sum of these divisors (counting 20731089) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111000101010011010001
3
Ternary
1110000020201010
4
Quaternary
1033011103101
5
Quinary
20301343324
6
Senary
2020201133
8
Octal
117052321
10
Decimal
20731089
12
Duodecimal
6b391a9
16
Hexadecimal
13c54d1
20
Vigesimal
69b7e9
36
Base36
ccc7l
md5
7ba5b76fa0026224c5c0098ab912d34e
sha1
a89ab089e6cc82e95244649e9836b4a756171248
sha256
a7b8723fd00c4916f173ae003a99628b93e6c77712610944588f747f4e118f61
sha512
3b50071e2003585f64eab4c7b5cba48b33d626e68cad78417b7e14daacb0543c4cbf565c8b9932e425971dc97029e291d394e4a4b443f3292a8b20138f8c4e99
ripemd-160
8c1a44833bd71beb2421a91f0e42d18605705fbf
Diameter
41462178
Circumference
130257273.80663
Area
1.3501875680913E+15
Volume
3.7321144854393E+22
Surface area
5.4007502723653E+15
Circumference
130257273.80663
Perimeter
82924356
Area
429778051125921
Diagonal
29318187.226564
Surface area
2578668306755526
Volume
8.909767028138E+21
Space diagonal
35907299.444232
Perimeter
62193267
Area
1.8609935513201E+14
Altitude
17953649.722116
Surface area
1.8609935513201E+14
Volume
1.0500261140648E+21
Height
9772729.0755212