18390630 is an even 8-digits composite number following 18390629
and preceding 18390631 . In scientific notation, it is written as 1.8390630 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 4799456 positive integers (up to 18390630) that are relatively prime to 18390630.
18390630 has 16 divisors, whose sum is 30053376
The reverse of 18390630 is 03609381
Previous prime number is 47
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
eighteen million three hundred ninety thousand six hundred thirty
Scientific notation
1.8390630 × 10^7
Engineering notation
1.8390630 × 10^6
Prime Factorization
2 × 15 × 47 × 13043
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18390630
Product of the distinct prime numbers
The prime factorization of 18390630 is 2 × 15 × 47 × 13043.
Since it has a total of 4 prime factors.
10 , 8 , 9 , 62 , 893 , 519 , 1917 , 8620 , 88754 , 75062 , 380751 , 937737 , 1817119 , 1686960 , 27880077 , 73635631 , 80471552 , 346244346 , 1162473553 , 9793036131
n×2
36781260
n×3
55171890
n×4
73562520
n×5
91953150
n÷2
9195315
n÷3
6130210
n÷3
4597657.5
n÷5
3678126
n2
338215271796900
n3
6.2199919239662E+21
n4
1.1438957007665E+29
n5
2.1036962591388E+36
2 √n
4288.4297825661
3 √n
263.95640349883
4 √n
65.486103736336
5 √n
28.373918789719
1 , 2 , 15 , 30 , 47 , 94 , 705 , 1410 , 13043 , 26086 , 195645 , 391290 , 613021 , 1226042 , 9195315 , 18390630
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
-18390629
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 18390630 can be divided by 16 positive divisors.
The sum of these divisors (counting 18390630) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000110001001111001100110
3
Ternary
1021121100012110
4
Quaternary
1012021321212
5
Quinary
14202000010
6
Senary
1454101450
8
Octal
106117146
10
Decimal
18390630
12
Duodecimal
61aa886
16
Hexadecimal
1189e66
20
Vigesimal
5eigba
36
Base36
ay6au
md5
b0e78f4b447f8c8776b494e851d81fc5
sha1
15986ff37fafc3a804112b746c9f3deb5a55b644
sha256
802a609b7380548855e28eb892efa200f2242d50c2cd6c00e284928a1a29078f
sha512
06fb3b26499fcb7040cacb234595f3a9cf695e22967411f3cca938d4018d07a20471a4f34b8ba35d83dc8a6dadcdcd75364f24716b02f33bf4ac9a9b8df8f956
ripemd-160
383ae8f6c53a834025f59beaecdfc763fe272453
Diameter
36781260
Circumference
115551736.20578
Area
1.062534613209E+15
Volume
2.605424124496E+22
Surface area
4.2501384528361E+15
Circumference
115551736.20578
Perimeter
73562520
Area
338215271796900
Diagonal
26008278.366586
Surface area
2029291630781400
Volume
6.2199919239662E+21
Space diagonal
31853505.5432
Perimeter
55171890
Area
1.4645150866199E+14
Altitude
15926752.7716
Surface area
1.4645150866199E+14
Volume
7.3303307806035E+20
Height
8669426.1221952