20189885 is an odd 8-digits composite number following 20189884
and preceding 20189886 . In scientific notation, it is written as 2.0189885 × 10^7.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 16129744 positive integers (up to 20189885) that are relatively prime to 20189885.
20189885 has 8 divisors, whose sum is 24261120
The reverse of 20189885 is 58898102
Previous prime number is 863
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
twenty million one hundred eighty-nine thousand eight hundred eighty-five
Scientific notation
2.0189885 × 10^7
Engineering notation
2.0189885 × 10^6
Prime Factorization
5 × 863 × 4679
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20189885
Product of the distinct prime numbers
The prime factorization of 20189885 is 5 × 863 × 4679.
Since it has a total of 3 prime factors.
10 , 5 , 88 , 15 , 512 , 990 , 8622 , 3493 , 83171 , 39154 , 885702 , 333749 , 8393086 , 3427959 , 21647352 , 92753074 , 856821759 , 429862670 , 5394423990 , 4366664141
n×2
40379770
n×3
60569655
n×4
80759540
n×5
100949425
n÷2
10094942.5
n÷3
6729961.6666667
n÷3
5047471.25
n÷5
4037977
n2
407631456313225
n3
8.2300322253465E+21
n4
1.6616340417604E+29
n5
3.3548200215228E+36
2 √n
4493.315590964
3 √n
272.29810256072
4 √n
67.032198165986
5 √n
28.908580636194
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
-20189884
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 20189885 can be divided by 8 positive divisors.
The sum of these divisors (counting 20189885) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101000001001010111101
3
Ternary
1101222202022112
4
Quaternary
1031001022331
5
Quinary
20132034020
6
Senary
2000423405
8
Octal
115011275
10
Decimal
20189885
12
Duodecimal
6917b65
16
Hexadecimal
13412bd
20
Vigesimal
663ee5
36
Base36
c0qm5
md5
ee27957cc2e33c30e34806729d613244
sha1
db1c6791519158dd20016054994ea092250184f7
sha256
9e654b60869bd32fc3d62491991e09a712c2c2b5bbcc226994a0867b7ab1deb3
sha512
befbdbb81fe50e03a48a4e30911980ec189f085fea267c070eea54ec809bae6d2c24d9952fddf6c74663ea2a59418f71a05076d30d3680857a6839cd854cb70d
ripemd-160
dc8fe63d80fd400b50d49bab447ac2dc982bc201
Diameter
40379770
Circumference
126856788.78565
Area
1.2806119885257E+15
Volume
3.4473878370608E+22
Surface area
5.1224479541029E+15
Circumference
126856788.78565
Perimeter
80759540
Area
407631456313225
Diagonal
28552809.189753
Surface area
2445788737879350
Volume
8.2300322253465E+21
Space diagonal
34969906.618973
Perimeter
60569655
Area
1.7650959827445E+14
Altitude
17484953.309486
Surface area
1.7650959827445E+14
Volume
9.6991859932106E+20
Height
9517603.063251