18451242 is an even 8-digits composite number following 18451241
and preceding 18451243 . In scientific notation, it is written as 1.8451242 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 5826600 positive integers (up to 18451242) that are relatively prime to 18451242.
18451242 has 16 divisors, whose sum is 32371200
The reverse of 18451242 is 24215481
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
eighteen million four hundred fifty-one thousand two hundred forty-two
Scientific notation
1.8451242 × 10^7
Engineering notation
1.8451242 × 10^6
Prime Factorization
2 × 9 × 19 × 53951
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18451242
Product of the distinct prime numbers
The prime factorization of 18451242 is 2 × 9 × 19 × 53951.
Since it has a total of 4 prime factors.
10 , 2 , 38 , 42 , 823 , 219 , 5880 , 7815 , 58228 , 37446 , 137488 , 190612 , 7969634 , 2922900 , 8785406 , 60856539 , 888872282 , 439341929 , 1039452688 , 7740868127
n×2
36902484
n×3
55353726
n×4
73804968
n×5
92256210
n÷2
9225621
n÷3
6150414
n÷3
4612810.5
n÷5
3690248.4
n2
340448331342564
n3
6.2816945500978E+21
n4
1.1590506631394E+29
n5
2.1385924275845E+36
2 √n
4295.4908916211
3 √n
264.24606878263
4 √n
65.539994595828
5 √n
28.392597183946
1 , 2 , 9 , 18 , 19 , 38 , 171 , 342 , 53951 , 107902 , 485559 , 971118 , 1025069 , 2050138 , 9225621 , 18451242
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18451241
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18451242 can be divided by 16 positive divisors.
The sum of these divisors (counting 18451242) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000110011000101100101010
3
Ternary
1021201102100100
4
Quaternary
1012120230222
5
Quinary
14210414432
6
Senary
1455250230
8
Octal
106305452
10
Decimal
18451242
12
Duodecimal
6219976
16
Hexadecimal
1198b2a
20
Vigesimal
5f6822
36
Base36
azh2i
md5
cabb39e1e95012ff8e8679d8404285d2
sha1
3163bdebf1bfdc24303b51f0e3f6027372c846b2
sha256
97e765ba51f7427165ad01f3dc49a65aabdd57707ddcb9d89744856c82d61563
sha512
81f6f157e69861f099e93d74c70f719c38b619584d524b7edf48506c80ddc2fdfdaa9c2af6a42b9c3f5b96492974fb618870ea23b0c47671cb9c83c7ad154a52
ripemd-160
71bafa748e78ed24f0389f04e99b54a9315d759d
Diameter
36902484
Circumference
115932572.63361
Area
1.0695499766727E+15
Volume
2.631270060091E+22
Surface area
4.2781999066908E+15
Circumference
115932572.63361
Perimeter
73804968
Area
340448331342564
Diagonal
26093996.679028
Surface area
2042689988055384
Volume
6.2816945500978E+21
Space diagonal
31958488.606749
Perimeter
55353726
Area
1.4741845180934E+14
Altitude
15979244.303374
Surface area
1.4741845180934E+14
Volume
7.4030480228613E+20
Height
8697998.8930094