18189969 is an odd 8-digits composite number following 18189968
and preceding 18189970 . In scientific notation, it is written as 1.8189969 × 10^7.
The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors.
There are 10369872 positive integers (up to 18189969) that are relatively prime to 18189969.
18189969 has 16 divisors, whose sum is 27783168
The reverse of 18189969 is 96998181
Previous prime number is 607
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 51
Digital Root 6
Name
eighteen million one hundred eighty-nine thousand nine hundred sixty-nine
Scientific notation
1.8189969 × 10^7
Engineering notation
1.8189969 × 10^6
Prime Factorization
3 × 7 × 607 × 1427
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18189969
Product of the distinct prime numbers
The prime factorization of 18189969 is 3 × 7 × 607 × 1427.
Since it has a total of 4 prime factors.
8 , 9 , 41 , 54 , 806 , 904 , 3053 , 8671 , 75711 , 15486 , 602629 , 10015 , 5695582 , 4773635 , 47358076 , 56239792 , 554843812 , 846045480 , 7622046775 , 1112150588
n×2
36379938
n×3
54569907
n×4
72759876
n×5
90949845
n÷2
9094984.5
n÷3
6063323
n÷3
4547492.25
n÷5
3637993.8
n2
330874972220961
n3
6.0186054875751E+21
n4
1.0947824724222E+29
n5
1.9914059235103E+36
2 √n
4264.9699881711
3 √n
262.99287715581
4 √n
65.306737693527
5 √n
28.311728948121
1 , 3 , 7 , 21 , 607 , 1427 , 1821 , 4249 , 4281 , 9989 , 12747 , 29967 , 866189 , 2598567 , 6063323 , 18189969
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18189968
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18189969 can be divided by 16 positive divisors.
The sum of these divisors (counting 18189969) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000101011000111010010001
3
Ternary
1021020010221120
4
Quaternary
1011120322101
5
Quinary
14124034334
6
Senary
1445512453
8
Octal
105307221
10
Decimal
18189969
12
Duodecimal
6112729
16
Hexadecimal
1158e91
20
Vigesimal
5ddei9
36
Base36
atvgx
md5
9788d745d902ccf3bf1295b52d3bfa8a
sha1
74935a24271bd14878a63e1582a1ff2a89142cde
sha256
ae13e5587b69cc7b7b53b9f62ff25fa67399dee13a15ac4a207af61f03a4a204
sha512
2e4cf8bc54b8f4b5c1a3b9f69158ce0bde97c6cd18cd03d4dfb17e6803f0b85cfeb7d745a5523b68e490391ea739395681c4f71e0cb7867fed2766d477300181
ripemd-160
e9b936ab63d3b38436cf1f9cddda307ba783bbd1
Diameter
36379938
Circumference
114290945.95885
Area
1.0394743819861E+15
Volume
2.5210675712828E+22
Surface area
4.1578975279444E+15
Circumference
114290945.95885
Perimeter
72759876
Area
330874972220961
Diagonal
25724500.858946
Surface area
1985249833325766
Volume
6.0186054875751E+21
Space diagonal
31505950.496103
Perimeter
54569907
Area
1.4327306570991E+14
Altitude
15752975.248051
Surface area
1.4327306570991E+14
Volume
7.0929945892516E+20
Height
8574833.6196487