18542939 is an odd 8-digits prime number following 18542938
and preceding 18542940 . In scientific notation, it is written as 1.8542939 × 10^7.
The sum of its digits is 41. It has a total of 1 prime factors and 2 positive divisors.
There are 18542938 positive integers (up to 18542939) that are relatively prime to 18542939.
18542939 has 2 divisors, whose sum is 18542940
The reverse of 18542939 is 93924581
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
eighteen million five hundred forty-two thousand nine hundred thirty-nine
Scientific notation
1.8542939 × 10^7
Engineering notation
1.8542939 × 10^6
Prime Factorization
18542939
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
18542939
Product of the distinct prime numbers
The prime factorization of 18542939 is 18542939.
Since it has a total of 1 prime factors.
3 , 5 , 37 , 93 , 21 , 284 , 9620 , 9191 , 14100 , 73453 , 475535 , 31264 , 706311 , 3759294 , 53424992 , 27320684 , 752484477 , 349359199 , 7004209639 , 5942182537
n×2
37085878
n×3
55628817
n×4
74171756
n×5
92714695
n÷2
9271469.5
n÷3
6180979.6666667
n÷3
4635734.75
n÷5
3708587.8
n2
343840586757721
n3
6.3758150259726E+21
n4
1.1822634910189E+29
n5
2.1922639795891E+36
2 √n
4306.1512978529
3 √n
264.68308620633
4 √n
65.621271687258
5 √n
28.420761747537
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
18542940
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
9271470
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4306.1514139658
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999998921422
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18542939 can be divided by 2 positive divisors.
The sum of these divisors (counting 18542939) is 18542940, the average is 9271470.
Base
System
Value
2
Binary
1000110101111000101011011
3
Ternary
1021220002010112
4
Quaternary
1012233011123
5
Quinary
14221333224
6
Senary
1501234535
8
Octal
106570533
10
Decimal
18542939
12
Duodecimal
6262a4b
16
Hexadecimal
11af15b
20
Vigesimal
5fhh6j
36
Base36
b1ftn
md5
3b267f9c9504d178f93206e67779cd26
sha1
0491856557b04bd8b2d7244c943ad648c94d68da
sha256
18705d57ed1dda22ed601e8b1c62c352582185e9d670c11e236435770429daa2
sha512
d2b90c14e894441d1dd47feb8ccdf2065946f78056093dda84b085d813d5293d74fc86ec7763716fdf7fea230addcc9c390a2046dba5a673bc695a5aed9a2e59
ripemd-160
e53ff51564c10257afaf5e2de239430fdd98d34a
Diameter
37085878
Circumference
116508721.87673
Area
1.0802070613641E+15
Volume
2.6706951528324E+22
Surface area
4.3208282454562E+15
Circumference
116508721.87673
Perimeter
74171756
Area
343840586757721
Diagonal
26223675.820057
Surface area
2063043520546326
Volume
6.3758150259726E+21
Space diagonal
32117312.46965
Perimeter
55628817
Area
1.4888734149217E+14
Altitude
16058656.234825
Surface area
1.4888734149217E+14
Volume
7.5139700674272E+20
Height
8741225.2733523