18984540 is an even 8-digits composite number following 18984539
and preceding 18984541 . In scientific notation, it is written as 1.8984540 × 10^7.
The sum of its digits is 39. It has a total of 5 prime factors and 24 positive divisors.
There are 5043456 positive integers (up to 18984540) that are relatively prime to 18984540.
18984540 has 24 divisors, whose sum is 35571648
The reverse of 18984540 is 04548981
Previous prime number is 15
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
eighteen million nine hundred eighty-four thousand five hundred forty
Scientific notation
1.8984540 × 10^7
Engineering notation
1.8984540 × 10^6
Prime Factorization
2 × 2 × 397 × 15 × 797
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
9492270
Product of the distinct prime numbers
The prime factorization of 18984540 is 2 × 2 × 397 × 15 × 797.
Since it has a total of 5 prime factors.
1 , 3 , 43 , 72 , 183 , 409 , 4229 , 6407 , 29494 , 936 , 687166 , 749309 , 1935637 , 8678575 , 59554782 , 59964282 , 84494454 , 39277364 , 4614570292 , 6395240982
n×2
37969080
n×3
56953620
n×4
75938160
n×5
94922700
n÷2
9492270
n÷3
6328180
n÷3
4746135
n÷5
3796908
n2
360412759011600
n3
6.8422704399661E+21
n4
1.2989735685835E+29
n5
2.4660415671717E+36
2 √n
4357.1251990275
3 √n
266.76777069034
4 √n
66.008523684653
5 √n
28.554858716579
1 , 2 , 4 , 15 , 30 , 60 , 397 , 794 , 797 , 1588 , 1594 , 3188 , 5955 , 11910 , 11955 , 23820 , 23910 , 47820 , 316409 , 632818 , 1265636 , 4746135 , 9492270 , 18984540
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18984539
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18984540 can be divided by 24 positive divisors.
The sum of these divisors (counting 18984540) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001000011010111001011100
3
Ternary
1022201111220010
4
Quaternary
1020122321130
5
Quinary
14330001130
6
Senary
1514523220
8
Octal
110327134
10
Decimal
18984540
12
Duodecimal
6436510
16
Hexadecimal
121ae5c
20
Vigesimal
5id170
36
Base36
bawkc
md5
af37eba984454f2808b83c1073f919b8
sha1
cc53889a6d8cf1b7f83ff9e16cf5c19609c8c35b
sha256
6a4438606bb7273602667cedb9f867a2447789f8788266a5706be74c3882b1d8
sha512
ea526a46b61ce5e4e8ba4e41c11a2c82739e09a0754a547a5a6a038577fb80b6a49affc1d4389bf87a57d8f64d7eb5553d16f680cf2879b791c2f8c9a47ad0cf
ripemd-160
0ee8d5f4854636635b9971188555b382e6575278
Diameter
37969080
Circumference
119283382.79156
Area
1.1322700759709E+15
Volume
2.8660835397429E+22
Surface area
4.5290803038835E+15
Circumference
119283382.79156
Perimeter
75938160
Area
360412759011600
Diagonal
26848193.943415
Surface area
2162476554069600
Volume
6.8422704399661E+21
Space diagonal
32882187.838324
Perimeter
56953620
Area
1.5606330257604E+14
Altitude
16441093.919162
Surface area
1.5606330257604E+14
Volume
8.0636930446871E+20
Height
8949397.9811382