20189145 is an odd 8-digits composite number following 20189144
and preceding 20189146 . In scientific notation, it is written as 2.0189145 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors.
There are 10386432 positive integers (up to 20189145) that are relatively prime to 20189145.
20189145 has 32 divisors, whose sum is 33466752
The reverse of 20189145 is 54198102
Previous prime number is 113
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million one hundred eighty-nine thousand one hundred forty-five
Scientific notation
2.0189145 × 10^7
Engineering notation
2.0189145 × 10^6
Prime Factorization
3 × 5 × 43 × 113 × 277
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20189145
Product of the distinct prime numbers
The prime factorization of 20189145 is 3 × 5 × 43 × 113 × 277.
Since it has a total of 5 prime factors.
2 , 5 , 31 , 44 , 806 , 170 , 1696 , 8616 , 65510 , 21422 , 925228 , 310716 , 9915792 , 5289113 , 12049679 , 48861091 , 855857697 , 99222129 , 2547299854 , 5897469890
n×2
40378290
n×3
60567435
n×4
80756580
n×5
100945725
n÷2
10094572.5
n÷3
6729715
n÷3
5047286.25
n÷5
4037829
n2
407601575831025
n3
8.2291273166811E+21
n4
1.6613904461993E+29
n5
3.3542052619933E+36
2 √n
4493.2332456706
3 √n
272.29477576189
4 √n
67.031583941234
5 √n
28.908368721531
1 , 3 , 5 , 15 , 43 , 113 , 129 , 215 , 277 , 339 , 565 , 645 , 831 , 1385 , 1695 , 4155 , 4859 , 11911 , 14577 , 24295 , 31301 , 35733 , 59555 , 72885 , 93903 , 156505 , 178665 , 469515 , 1345943 , 4037829 , 6729715 , 20189145
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20189144
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20189145 can be divided by 32 positive divisors.
The sum of these divisors (counting 20189145) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001101000000111111011001
3
Ternary
1101222201022010
4
Quaternary
1031000333121
5
Quinary
20132023040
6
Senary
2000420133
8
Octal
115007731
10
Decimal
20189145
12
Duodecimal
6917649
16
Hexadecimal
1340fd9
20
Vigesimal
663ch5
36
Base36
c0q1l
md5
ec63b6ca42bc2823d7e1e71aff75464b
sha1
a6e8de829e7b41c719eaf13c59e24ae683bd883c
sha256
1f76424b8d4f1cfcbf33cfbb4a8918cd0ae13513c6d50dd67e44932b5d0d4c0c
sha512
d2fa239fdda631d2202764cb10376435fcba15fec754756d61544a2c7f84d4d4afd39a3d249307aa9f7d9e8a7af00be0890709fa77b051b8530ceff66e9790ee
ripemd-160
315702f15f2713e042a3178a23c45b3cfb8f7bfc
Diameter
40378290
Circumference
126852139.22852
Area
1.2805181162224E+15
Volume
3.4470087898054E+22
Surface area
5.1220724648895E+15
Circumference
126852139.22852
Perimeter
80756580
Area
407601575831025
Diagonal
28551762.671717
Surface area
2445609454986150
Volume
8.2291273166811E+21
Space diagonal
34968624.901375
Perimeter
60567435
Area
1.7649665964612E+14
Altitude
17484312.450688
Surface area
1.7649665964612E+14
Volume
9.6981195481211E+20
Height
9517254.2239057