18984918 is an even 8-digits composite number following 18984917
and preceding 18984919 . In scientific notation, it is written as 1.8984918 × 10^7.
The sum of its digits is 48. It has a total of 5 prime factors and 32 positive divisors.
There are 6158048 positive integers (up to 18984918) that are relatively prime to 18984918.
18984918 has 32 divisors, whose sum is 39004416
The reverse of 18984918 is 81948981
Previous prime number is 227
Is Prime? no
Number parity even
Number length 8
Sum of Digits 48
Digital Root 3
Name
eighteen million nine hundred eighty-four thousand nine hundred eighteen
Scientific notation
1.8984918 × 10^7
Engineering notation
1.8984918 × 10^6
Prime Factorization
2 × 3 × 53 × 227 × 263
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
18984918
Product of the distinct prime numbers
The prime factorization of 18984918 is 2 × 3 × 53 × 227 × 263.
Since it has a total of 5 prime factors.
5 , 2 , 32 , 23 , 95 , 68 , 6233 , 8260 , 749 , 16068 , 293728 , 523653 , 7808090 , 1794967 , 95631064 , 18718962 , 31490744 , 486329964 , 8843694247 , 9355322512
n×2
37969836
n×3
56954754
n×4
75939672
n×5
94924590
n÷2
9492459
n÷3
6328306
n÷3
4746229.5
n÷5
3796983.6
n2
360427111466724
n3
6.8426791561726E+21
n4
1.2990770268025E+29
n5
2.4662870829529E+36
2 √n
4357.1685760365
3 √n
266.76954121078
4 √n
66.008852255107
5 √n
28.554972426478
1 , 2 , 3 , 6 , 53 , 106 , 159 , 227 , 263 , 318 , 454 , 526 , 681 , 789 , 1362 , 1578 , 12031 , 13939 , 24062 , 27878 , 36093 , 41817 , 59701 , 72186 , 83634 , 119402 , 179103 , 358206 , 3164153 , 6328306 , 9492459 , 18984918
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18984917
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18984918 can be divided by 32 positive divisors.
The sum of these divisors (counting 18984918) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001000011010111111010110
3
Ternary
1022201112102010
4
Quaternary
1020122333112
5
Quinary
14330004133
6
Senary
1514525050
8
Octal
110327726
10
Decimal
18984918
12
Duodecimal
6436786
16
Hexadecimal
121afd6
20
Vigesimal
5id25i
36
Base36
bawuu
md5
55aa982ba035de7c283ab2a8f17b76de
sha1
925ce874e9993a2713c0567fb92b0dd3dcf8dd7b
sha256
5cb137976d8677423fea0db2a946c4a90c15f9ab3b309cf7a8dbde505858e06c
sha512
3d70d7113ba34601fdb62c03a1a2d30d8dcdaae669ccdc97c617a1dbd1a6702d4c01a6e39f0b19632cfdb4440b722fcdd207e01fc1710cfcc5b124e47f9ec64b
ripemd-160
a96858b413c405a3b1b69eb47f82e08a7f6fc4ac
Diameter
37969836
Circumference
119285757.83561
Area
1.1323151655384E+15
Volume
2.8662547423872E+22
Surface area
4.5292606621538E+15
Circumference
119285757.83561
Perimeter
75939672
Area
360427111466724
Diagonal
26848728.516141
Surface area
2162562668800344
Volume
6.8426791561726E+21
Space diagonal
32882842.553529
Perimeter
56954754
Area
1.5606951737141E+14
Altitude
16441421.276764
Surface area
1.5606951737141E+14
Volume
8.0641747213558E+20
Height
8949576.172047