20189718 is an even 8-digits composite number following 20189717
and preceding 20189719 . In scientific notation, it is written as 2.0189718 × 10^7.
The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors.
There are 6729900 positive integers (up to 20189718) that are relatively prime to 20189718.
20189718 has 8 divisors, whose sum is 33649560
The reverse of 20189718 is 81798102
Previous prime number is 9
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million one hundred eighty-nine thousand seven hundred eighteen
Scientific notation
2.0189718 × 10^7
Engineering notation
2.0189718 × 10^6
Prime Factorization
2 × 9 × 1121651
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20189718
Product of the distinct prime numbers
The prime factorization of 20189718 is 2 × 9 × 1121651.
Since it has a total of 3 prime factors.
1 , 7 , 7 , 51 , 450 , 215 , 2319 , 4373 , 20938 , 63600 , 745272 , 702582 , 3820654 , 394197 , 62894270 , 61694575 , 817395073 , 754047585 , 9778146473 , 7377625839
n×2
40379436
n×3
60569154
n×4
80758872
n×5
100948590
n÷2
10094859
n÷3
6729906
n÷3
5047429.5
n÷5
4037943.6
n2
407624712919524
n3
8.2298280036761E+21
n4
1.6615790658272E+29
n5
3.3546812773755E+36
2 √n
4493.2970077661
3 √n
272.29735179025
4 √n
67.032059551875
5 √n
28.908532812752
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
-20189717
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 20189718 can be divided by 8 positive divisors.
The sum of these divisors (counting 20189718) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101000001001000010110
3
Ternary
1101222202002100
4
Quaternary
1031001020112
5
Quinary
20132032333
6
Senary
2000422530
8
Octal
115011026
10
Decimal
20189718
12
Duodecimal
6917a46
16
Hexadecimal
1341216
20
Vigesimal
663e5i
36
Base36
c0qhi
md5
3cd0a4fe64205d160c5deaadd10d02a5
sha1
c79a16d9e581dc9badcee2c3476689d186c3548c
sha256
e8898eb1099194bc32c57a538117bd64086dbbe393bb0a56c683970cec16d3f0
sha512
34079b5d24e9e3abff9e0424a433519f3e60ba216078ad6947f3801b9e30f050d8577d79f7eadbae08967da2a3ed937054f15b9c7212590993b3a3dd32455e72
ripemd-160
fe4a73a0123c0ca0475e7abe438711b1e8ba99fd
Diameter
40379436
Circumference
126855739.4937
Area
1.2805908035296E+15
Volume
3.4473022928875E+22
Surface area
5.1223632141185E+15
Circumference
126855739.4937
Perimeter
80758872
Area
407624712919524
Diagonal
28552573.016088
Surface area
2445748277517144
Volume
8.2298280036761E+21
Space diagonal
34969617.366488
Perimeter
60569154
Area
1.7650667829932E+14
Altitude
17484808.683244
Surface area
1.7650667829932E+14
Volume
9.6989453156639E+20
Height
9517524.3386961