18676989 is an odd 8-digits composite number following 18676988
and preceding 18676990 . In scientific notation, it is written as 1.8676989 × 10^7.
The sum of its digits is 54. It has a total of 4 prime factors and 12 positive divisors.
There are 11909832 positive integers (up to 18676989) that are relatively prime to 18676989.
18676989 has 12 divisors, whose sum is 28151136
The reverse of 18676989 is 98967681
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 54
Digital Root 9
Name
eighteen million six hundred seventy-six thousand nine hundred eighty-nine
Scientific notation
1.8676989 × 10^7
Engineering notation
1.8676989 × 10^6
Prime Factorization
3 × 3 × 23 × 90227
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
6225663
Product of the distinct prime numbers
The prime factorization of 18676989 is 3 × 3 × 23 × 90227.
Since it has a total of 4 prime factors.
3 , 3 , 6 , 94 , 313 , 622 , 5209 , 8155 , 55077 , 34636 , 344381 , 408257 , 1504468 , 9441063 , 13540964 , 163311 , 918555223 , 62149901 , 7010483212 , 6338607914
n×2
37353978
n×3
56030967
n×4
74707956
n×5
93384945
n÷2
9338494.5
n÷3
6225663
n÷3
4669247.25
n÷5
3735397.8
n2
348829918106121
n3
6.5150925433389E+21
n4
1.2168231176592E+29
n5
2.2726591983467E+36
2 √n
4321.6882117987
3 √n
265.31936812913
4 √n
65.739548308448
5 √n
28.461735122638
1 , 3 , 9 , 23 , 69 , 207 , 90227 , 270681 , 812043 , 2075221 , 6225663 , 18676989
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18676988
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18676989 can be divided by 12 positive divisors.
The sum of these divisors (counting 18676989) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1000111001111110011111101
3
Ternary
1022010220000100
4
Quaternary
1013033303331
5
Quinary
14240130424
6
Senary
1504151313
8
Octal
107176375
10
Decimal
18676989
12
Duodecimal
6308539
16
Hexadecimal
11cfcfd
20
Vigesimal
5gec99
36
Base36
b4b99
md5
1f6ef392de59dc628e3f2abaaec91cb9
sha1
5d3f830b783edbfb07d34b4028252ca7cb39a859
sha256
8081565b094b8a7008534337dc142fe2d1df02aafef2d9150da742ac25f52fb6
sha512
3ab2d1d357c8c7c08de6d00bfb865d1e061c690914a8e4f2a98d1df6e2515f231d3de80909384737404e360122f2034d6994d3ccf8661af7573984fed62adcef
ripemd-160
8b34a45115539687e0c8f2d0e9fcdbbece3f2985
Diameter
37353978
Circumference
117350982.86715
Area
1.0958815080745E+15
Volume
2.7290355828815E+22
Surface area
4.3835260322981E+15
Circumference
117350982.86715
Perimeter
74707956
Area
348829918106121
Diagonal
26413251.148093
Surface area
2092979508636726
Volume
6.5150925433389E+21
Space diagonal
32349493.880405
Perimeter
56030967
Area
1.5104778533997E+14
Altitude
16174746.940203
Surface area
1.5104778533997E+14
Volume
7.6781101957548E+20
Height
8804417.0493644