18122942 is an even 8-digits composite number following 18122941
and preceding 18122943 . In scientific notation, it is written as 1.8122942 × 10^7.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 8667472 positive integers (up to 18122942) that are relatively prime to 18122942.
18122942 has 8 divisors, whose sum is 28366416
The reverse of 18122942 is 24922181
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
eighteen million one hundred twenty-two thousand nine hundred forty-two
Scientific notation
1.8122942 × 10^7
Engineering notation
1.8122942 × 10^6
Prime Factorization
2 × 23 × 393977
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
18122942
Product of the distinct prime numbers
The prime factorization of 18122942 is 2 × 23 × 393977.
Since it has a total of 3 prime factors.
4 , 8 , 10 , 29 , 652 , 367 , 8526 , 707 , 9562 , 77667 , 1720 , 591370 , 3056534 , 2601409 , 88310562 , 63062428 , 453300056 , 574866286 , 1702773722 , 6358468817
n×2
36245884
n×3
54368826
n×4
72491768
n×5
90614710
n÷2
9061471
n÷3
6040980.6666667
n÷3
4530735.5
n÷5
3624588.4
n2
328441026735364
n3
5.9523176779455E+21
n4
1.0787350804298E+29
n5
1.9549853295995E+36
2 √n
4257.1048847779
3 √n
262.66945128618
4 √n
65.246493275715
5 √n
28.290833327398
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
-18122941
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 18122942 can be divided by 8 positive divisors.
The sum of these divisors (counting 18122942) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000101001000100010111110
3
Ternary
1021002202000002
4
Quaternary
1011020202332
5
Quinary
14114413232
6
Senary
1444234302
8
Octal
105104276
10
Decimal
18122942
12
Duodecimal
609b992
16
Hexadecimal
11488be
20
Vigesimal
5d5772
36
Base36
asfr2
md5
82685e815b14a3dd7709e846c4f03e30
sha1
063b48b9af5ca4b9a3c528801e3121a4d704bce4
sha256
b8bec913df94633d5ed57ad530940afe22850a40d5547ef6bf9e923c2c62c806
sha512
4df7d21d4bfc83a434a9d37057a02db3b855a012d8f92cb8e87944e79b484f7abbaa9b03da6fb942c82787cd96b88512efa53bfccca59957aaece86475935063
ripemd-160
b75c2b92fc22d8952d22041176a746e87cde516e
Diameter
36245884
Circumference
113869802.89727
Area
1.0318279167293E+15
Volume
2.4933009985155E+22
Surface area
4.1273116669172E+15
Circumference
113869802.89727
Perimeter
72491768
Area
328441026735364
Diagonal
25629710.366501
Surface area
1970646160412184
Volume
5.9523176779455E+21
Space diagonal
31389856.326624
Perimeter
54368826
Area
1.4221913639893E+14
Altitude
15694928.163312
Surface area
1.4221913639893E+14
Volume
7.0148736564197E+20
Height
8543236.7888337