18985306 is an even 8-digits composite number following 18985305
and preceding 18985307 . In scientific notation, it is written as 1.8985306 × 10^7.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 9349600 positive integers (up to 18985306) that are relatively prime to 18985306.
18985306 has 8 divisors, whose sum is 28695744
The reverse of 18985306 is 60358981
Previous prime number is 72463
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
eighteen million nine hundred eighty-five thousand three hundred six
Scientific notation
1.8985306 × 10^7
Engineering notation
1.8985306 × 10^6
Prime Factorization
2 × 72463 × 131
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
18985306
Product of the distinct prime numbers
The prime factorization of 18985306 is 2 × 72463 × 131.
Since it has a total of 3 prime factors.
8 , 5 , 41 , 80 , 335 , 727 , 5330 , 4305 , 5491 , 93737 , 93207 , 415957 , 8405022 , 2204449 , 89851229 , 13453559 , 771787520 , 609518992 , 6303388846 , 9241534146
n×2
37970612
n×3
56955918
n×4
75941224
n×5
94926530
n÷2
9492653
n÷3
6328435.3333333
n÷3
4746326.5
n÷5
3797061.2
n2
360441843913636
n3
6.8430987019046E+21
n4
1.2991832284386E+29
n5
2.4665391141975E+36
2 √n
4357.2131001364
3 √n
266.77135854594
4 √n
66.009189512797
5 √n
28.555089142692
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18985305
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18985306 can be divided by 8 positive divisors.
The sum of these divisors (counting 18985306) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001000011011000101011010
3
Ternary
1022201112221111
4
Quaternary
1020123011122
5
Quinary
14330012211
6
Senary
1514530534
8
Octal
110330532
10
Decimal
18985306
12
Duodecimal
6436a4a
16
Hexadecimal
121b15a
20
Vigesimal
5id356
36
Base36
bax5m
md5
f0c9819a9932856bbd99a829b4576988
sha1
cd24b617fc165868ee19089215c3cbf4f4862649
sha256
89f91eda2d11395266624123cbf0ece62f09630a8b779f090930665004be1722
sha512
e78449c0420cccb528a4475df2a6f974ddca2d6c83550cd5caac4e1999bcbdd51fede3ec8c4bbbc9dd403b4542ea682a8220edb206da7074dec09334881d4279
ripemd-160
16c7ba11e75f82f470b92f0199bbf98f43f474c1
Diameter
37970612
Circumference
119288195.71151
Area
1.1323614488854E+15
Volume
2.8664304812925E+22
Surface area
4.5294457955418E+15
Circumference
119288195.71151
Perimeter
75941224
Area
360441843913636
Diagonal
26849277.231003
Surface area
2162651063481816
Volume
6.8430987019046E+21
Space diagonal
32883514.589242
Perimeter
56955918
Area
1.5607589670806E+14
Altitude
16441757.294621
Surface area
1.5607589670806E+14
Volume
8.0646691607427E+20
Height
8949759.0770011