18454939 is an odd 8-digits prime number following 18454938
and preceding 18454940 . In scientific notation, it is written as 1.8454939 × 10^7.
The sum of its digits is 43. It has a total of 1 prime factors and 2 positive divisors.
There are 18454938 positive integers (up to 18454939) that are relatively prime to 18454939.
18454939 has 2 divisors, whose sum is 18454940
The reverse of 18454939 is 93945481
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
eighteen million four hundred fifty-four thousand nine hundred thirty-nine
Scientific notation
1.8454939 × 10^7
Engineering notation
1.8454939 × 10^6
Prime Factorization
18454939
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
18454939
Product of the distinct prime numbers
The prime factorization of 18454939 is 18454939.
Since it has a total of 1 prime factors.
1 , 6 , 69 , 54 , 591 , 175 , 7895 , 4405 , 36889 , 62433 , 432462 , 2407 , 7677785 , 8274676 , 2278783 , 38887319 , 85408412 , 313030192 , 9421007293 , 4496799245
n×2
36909878
n×3
55364817
n×4
73819756
n×5
92274695
n÷2
9227469.5
n÷3
6151646.3333333
n÷3
4613734.75
n÷5
3690987.8
n2
340584773493721
n3
6.2854712191554E+21
n4
1.1599798793577E+29
n5
2.1407357914774E+36
2 √n
4295.9212050502
3 √n
264.26371623922
4 √n
65.54327734444
5 √n
28.393734874515
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
18454940
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
9227470
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4295.9213214397
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999998916279
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18454939 can be divided by 2 positive divisors.
The sum of these divisors (counting 18454939) is 18454940, the average is 9227470.
Base
System
Value
2
Binary
1000110011001100110011011
3
Ternary
1021201121102021
4
Quaternary
1012121212123
5
Quinary
14211024224
6
Senary
1455315311
8
Octal
106314633
10
Decimal
18454939
12
Duodecimal
621bb37
16
Hexadecimal
119999b
20
Vigesimal
5f6h6j
36
Base36
azjx7
md5
364b9935eb09feb82e11e32b2376cfef
sha1
4fcf7e3af3bf3cf3c3aa92b46ed5fbc0d424140f
sha256
eb14dfa3cda1ab2fcba5602d97811091a28c4535e9ef94aa8ef9226e53e7eedf
sha512
132d4de05cab2dac4692b6e33bb38773e945cde8bd91d8e3609cd01a20a0a373481799ea55f09080e27ddf7228364ab9690ae50a0d66382f62d8a2bdcb30b322
ripemd-160
1ba683bb59b43ea1c2aebf6637ee309164797412
Diameter
36909878
Circumference
115955801.5697
Area
1.0699786223324E+15
Volume
2.6328520275265E+22
Surface area
4.2799144893297E+15
Circumference
115955801.5697
Perimeter
73819756
Area
340584773493721
Diagonal
26099225.026568
Surface area
2043508640962326
Volume
6.2854712191554E+21
Space diagonal
31964891.998584
Perimeter
55364817
Area
1.4747753299387E+14
Altitude
15982445.999292
Surface area
1.4747753299387E+14
Volume
7.4074988700295E+20
Height
8699741.6755227