18394913 is an odd 8-digits composite number following 18394912
and preceding 18394914 . In scientific notation, it is written as 1.8394913 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 18161988 positive integers (up to 18394913) that are relatively prime to 18394913.
18394913 has 4 divisors, whose sum is 18627840
The reverse of 18394913 is 31949381
Previous prime number is 79
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
eighteen million three hundred ninety-four thousand nine hundred thirteen
Scientific notation
1.8394913 × 10^7
Engineering notation
1.8394913 × 10^6
Prime Factorization
79 × 232847
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
18394913
Product of the distinct prime numbers
The prime factorization of 18394913 is 79 × 232847.
Since it has a total of 2 prime factors.
5 , 7 , 53 , 66 , 490 , 816 , 9770 , 2476 , 66819 , 14529 , 67905 , 412684 , 1725314 , 6894389 , 88470354 , 61983849 , 703170225 , 749300806 , 5603595195 , 5122467826
n×2
36789826
n×3
55184739
n×4
73579652
n×5
91974565
n÷2
9197456.5
n÷3
6131637.6666667
n÷3
4598728.25
n÷5
3678982.6
n2
338372824277569
n3
6.2243386641502E+21
n4
1.1449616820958E+29
n5
2.1061470530486E+36
2 √n
4288.9291204216
3 √n
263.97689287349
4 √n
65.489916173573
5 √n
28.375240268917
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18394912
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18394913 can be divided by 4 positive divisors.
The sum of these divisors (counting 18394913) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000110001010111100100001
3
Ternary
1021121120002002
4
Quaternary
1012022330201
5
Quinary
14202114123
6
Senary
1454133345
8
Octal
106127441
10
Decimal
18394913
12
Duodecimal
61b1255
16
Hexadecimal
118af21
20
Vigesimal
5ej75d
36
Base36
ay9lt
md5
453457b7f8a9ce5d4aa3843c12f10fd2
sha1
32d4a1dacaea8aae89cdcde1efd8ac21068216ad
sha256
3bbf5a021b4364a8aebb4b9658818c797321c4882365c7a15af7a907fe9c8f64
sha512
ca9ac9f1754e573845a9250afee5e98e69a03f5ae19ab04680a30a651fb539a1231e9359820c22a892562423a62adcdc1ad39b0d872038b1469ac4728e790ef9
ripemd-160
fdbe34bf0d607656a95f33021be7c87091f6b56e
Diameter
36789826
Circumference
115578647.08845
Area
1.0630295789248E+15
Volume
2.6072448827665E+22
Surface area
4.2521183156994E+15
Circumference
115578647.08845
Perimeter
73579652
Area
338372824277569
Diagonal
26014335.443273
Surface area
2030236945665414
Volume
6.2243386641502E+21
Space diagonal
31860923.916809
Perimeter
55184739
Area
1.4651973088733E+14
Altitude
15930461.958405
Surface area
1.4651973088733E+14
Volume
7.335453463037E+20
Height
8671445.1477577