18696989 is an odd 8-digits composite number following 18696988
and preceding 18696990 . In scientific notation, it is written as 1.8696989 × 10^7.
The sum of its digits is 56. It has a total of 2 prime factors and 4 positive divisors.
There are 18612924 positive integers (up to 18696989) that are relatively prime to 18696989.
18696989 has 4 divisors, whose sum is 18781056
The reverse of 18696989 is 98969681
Previous prime number is 223
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 56
Digital Root 2
Name
eighteen million six hundred ninety-six thousand nine hundred eighty-nine
Scientific notation
1.8696989 × 10^7
Engineering notation
1.8696989 × 10^6
Prime Factorization
223 × 83843
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
18696989
Product of the distinct prime numbers
The prime factorization of 18696989 is 223 × 83843.
Since it has a total of 2 prime factors.
10 , 1 , 57 , 94 , 631 , 747 , 3537 , 1202 , 93517 , 83826 , 150602 , 692218 , 4150058 , 3919978 , 56958822 , 35043585 , 931314020 , 392319914 , 9471273006 , 523195884
n×2
37393978
n×3
56090967
n×4
74787956
n×5
93484945
n÷2
9348494.5
n÷3
6232329.6666667
n÷3
4674247.25
n÷5
3739397.8
n2
349577397666121
n3
6.5360447588121E+21
n4
1.2220435695902E+29
n5
2.2848535178148E+36
2 √n
4324.0015032375
3 √n
265.41403889213
4 √n
65.757140321318
5 √n
28.467828085868
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18696988
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18696989 can be divided by 4 positive divisors.
The sum of these divisors (counting 18696989) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000111010100101100011101
3
Ternary
1022011220110002
4
Quaternary
1013110230131
5
Quinary
14241300424
6
Senary
1504424045
8
Octal
107245435
10
Decimal
18696989
12
Duodecimal
6318025
16
Hexadecimal
11d4b1d
20
Vigesimal
5gh299
36
Base36
b4qot
md5
429b145f3a6dcc1c25d73929d34d4003
sha1
e8c9c4bc3b2b2fe9edfe5fc11ac078b4c424b849
sha256
dc90b403b33661460fa9b31dea9fe0b76f19d52c1da3780d88c381271c9da9f1
sha512
58e844c2178d90e5e2e66e73e45c5151f41f101981cf6efc70a060234d869e07e5ffd572d49e63d340ed76f92dc4f7bd450cd7322cd98ee1b85dbd5f7c8d6dea
ripemd-160
ead2b19c63e9ed33bd1b6335ba9b9f77c729ace3
Diameter
37393978
Circumference
117476646.5733
Area
1.0982297843689E+15
Volume
2.7378120263758E+22
Surface area
4.3929191374757E+15
Circumference
117476646.5733
Perimeter
74787956
Area
349577397666121
Diagonal
26441535.419341
Surface area
2097464385996726
Volume
6.5360447588121E+21
Space diagonal
32384134.896556
Perimeter
56090967
Area
1.5137145348386E+14
Altitude
16192067.448278
Surface area
1.5137145348386E+14
Volume
7.7028026184914E+20
Height
8813845.1397802