20189491 is an odd 8-digits composite number following 20189490
and preceding 20189492 . In scientific notation, it is written as 2.0189491 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 17262720 positive integers (up to 20189491) that are relatively prime to 20189491.
20189491 has 8 divisors, whose sum is 23130464
The reverse of 20189491 is 19498102
Previous prime number is 433
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million one hundred eighty-nine thousand four hundred ninety-one
Scientific notation
2.0189491 × 10^7
Engineering notation
2.0189491 × 10^6
Prime Factorization
7 × 433 × 6661
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20189491
Product of the distinct prime numbers
The prime factorization of 20189491 is 7 × 433 × 6661.
Since it has a total of 3 prime factors.
5 , 2 , 67 , 64 , 748 , 816 , 7318 , 362 , 55714 , 16803 , 57762 , 259944 , 9885346 , 7195777 , 73518388 , 78375119 , 260401044 , 208822746 , 5327467242 , 8909838879
n×2
40378982
n×3
60568473
n×4
80757964
n×5
100947455
n÷2
10094745.5
n÷3
6729830.3333333
n÷3
5047372.75
n÷5
4037898.2
n2
407615546839081
n3
8.2295504143677E+21
n4
1.6615043402492E+29
n5
3.3544926923923E+36
2 √n
4493.271747847
3 √n
272.29633127524
4 √n
67.031871134909
5 √n
28.908467806728
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
-20189490
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 20189491 can be divided by 8 positive divisors.
The sum of these divisors (counting 20189491) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101000001000100110011
3
Ternary
1101222201202221
4
Quaternary
1031001010303
5
Quinary
20132030431
6
Senary
2000421511
8
Octal
115010463
10
Decimal
20189491
12
Duodecimal
6917897
16
Hexadecimal
1341133
20
Vigesimal
663deb
36
Base36
c0qb7
md5
7e0cee43627f745f77eaeb2233eb6262
sha1
1756af12780baae89739e77b4dd56b2ccd954942
sha256
1c94bbbd8a53771e5fd931601d3be7cdd1af69bbf669229ae9fc8fd12c8e6cdc
sha512
0627d9d2eb2fcbd4131a3894893c1952ba388e4e2a4e4b7cd598fa95771df000f0aa70a4d0ba8cc64ef94c83ceb57b891b9e87fc9103599c98d2134d2db0457a
ripemd-160
5fa486e6f8792506e32bde56db8412c0d08d8c32
Diameter
40378982
Circumference
126854313.21063
Area
1.2805620074386E+15
Volume
3.4471860165499E+22
Surface area
5.1222480297546E+15
Circumference
126854313.21063
Perimeter
80757964
Area
407615546839081
Diagonal
28552251.98961
Surface area
2445693281034486
Volume
8.2295504143677E+21
Space diagonal
34969224.190955
Perimeter
60568473
Area
1.7650270927006E+14
Altitude
17484612.095477
Surface area
1.7650270927006E+14
Volume
9.6986181735266E+20
Height
9517417.3298698