18984930 is an even 8-digits composite number following 18984929
and preceding 18984931 . In scientific notation, it is written as 1.8984930 × 10^7.
The sum of its digits is 42. It has a total of 5 prime factors and 32 positive divisors.
There are 4944576 positive integers (up to 18984930) that are relatively prime to 18984930.
18984930 has 32 divisors, whose sum is 46626624
The reverse of 18984930 is 03948981
Previous prime number is 43
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
eighteen million nine hundred eighty-four thousand nine hundred thirty
Scientific notation
1.8984930 × 10^7
Engineering notation
1.8984930 × 10^6
Prime Factorization
2 × 3 × 5 × 43 × 14717
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
18984930
Product of the distinct prime numbers
The prime factorization of 18984930 is 2 × 3 × 5 × 43 × 14717.
Since it has a total of 5 prime factors.
6 , 10 , 57 , 73 , 183 , 560 , 5064 , 2060 , 40479 , 76908 , 1503 , 426608 , 281632 , 10935 , 83181148 , 219248 , 204714143 , 605822269 , 3858601330 , 4866845448
n×2
37969860
n×3
56954790
n×4
75939720
n×5
94924650
n÷2
9492465
n÷3
6328310
n÷3
4746232.5
n÷5
3796986
n2
360427567104900
n3
6.8426921315568E+21
n4
1.2990803112916E+29
n5
2.4662948774249E+36
2 √n
4357.1699530773
3 √n
266.76959741739
4 √n
66.008862685834
5 √n
28.554976036287
1 , 2 , 3 , 5 , 6 , 10 , 15 , 30 , 43 , 86 , 129 , 215 , 258 , 430 , 645 , 1290 , 14717 , 29434 , 44151 , 73585 , 88302 , 147170 , 220755 , 441510 , 632831 , 1265662 , 1898493 , 3164155 , 3796986 , 6328310 , 9492465 , 18984930
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
-18984929
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 18984930 can be divided by 32 positive divisors.
The sum of these divisors (counting 18984930) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001000011010111111100010
3
Ternary
1022201112102120
4
Quaternary
1020122333202
5
Quinary
14330004210
6
Senary
1514525110
8
Octal
110327742
10
Decimal
18984930
12
Duodecimal
6436796
16
Hexadecimal
121afe2
20
Vigesimal
5id26a
36
Base36
bawv6
md5
14d79a3fda21280a07034ad1ca9a518d
sha1
9c969e55e156fcc19b4ec74d044624516ad22dc4
sha256
d1122b8ec76b21e9fb280d315f2853f81e971a1cbd66bf56744a5c06ff64e58f
sha512
b205c7c6e055c4f3470fd22f66099d8017db032c59511972c617a85c610a797339e292d99db366ff966f1a935db92e4d88dfa6db82a7046375f5300b3b925961
ripemd-160
a9ed92786818960e45814ef908451007a9258b07
Diameter
37969860
Circumference
119285833.23383
Area
1.132316596968E+15
Volume
2.8662601775034E+22
Surface area
4.529266387872E+15
Circumference
119285833.23383
Perimeter
75939720
Area
360427567104900
Diagonal
26848745.486704
Surface area
2162565402629400
Volume
6.8426921315568E+21
Space diagonal
32882863.338139
Perimeter
56954790
Area
1.5606971466853E+14
Altitude
16441431.669069
Surface area
1.5606971466853E+14
Volume
8.0641900129928E+20
Height
8949581.8289013