18189970 is an even 8-digits composite number following 18189969
and preceding 18189971 . In scientific notation, it is written as 1.8189970 × 10^7.
The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors.
There are 7246000 positive integers (up to 18189970) that are relatively prime to 18189970.
18189970 has 16 divisors, whose sum is 32876928
The reverse of 18189970 is 07998181
Previous prime number is 251
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
eighteen million one hundred eighty-nine thousand nine hundred seventy
Scientific notation
1.8189970 × 10^7
Engineering notation
1.8189970 × 10^6
Prime Factorization
2 × 5 × 251 × 7247
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18189970
Product of the distinct prime numbers
The prime factorization of 18189970 is 2 × 5 × 251 × 7247.
Since it has a total of 4 prime factors.
3 , 3 , 10 , 21 , 431 , 489 , 8900 , 8333 , 65090 , 79593 , 279006 , 273615 , 1733242 , 7388345 , 46762712 , 18692456 , 216010863 , 85095742 , 9377278175 , 2915484406
n×2
36379940
n×3
54569910
n×4
72759880
n×5
90949850
n÷2
9094985
n÷3
6063323.3333333
n÷3
4547492.5
n÷5
3637994
n2
330875008600900
n3
6.0186064802001E+21
n4
1.0947827131665E+29
n5
1.9914064709016E+36
2 √n
4264.9701054052
3 √n
262.99288197518
4 √n
65.306738591092
5 √n
28.31172925941
1 , 2 , 5 , 10 , 251 , 502 , 1255 , 2510 , 7247 , 14494 , 36235 , 72470 , 1818997 , 3637994 , 9094985 , 18189970
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
-18189969
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 18189970 can be divided by 16 positive divisors.
The sum of these divisors (counting 18189970) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000101011000111010010010
3
Ternary
1021020010221121
4
Quaternary
1011120322102
5
Quinary
14124034340
6
Senary
1445512454
8
Octal
105307222
10
Decimal
18189970
12
Duodecimal
611272a
16
Hexadecimal
1158e92
20
Vigesimal
5ddeia
36
Base36
atvgy
md5
5547f68de801e5a5a538367bd50db4d3
sha1
d257ea6e67353a3c23792d8d9f62c0d49c955e8c
sha256
d2139998dc2d88f64788a9bf047855f09a3dd6efc93f469cd022a244903a73d3
sha512
e5a7c6030e07faa61d02aa028051fff34abbfab5812aae81025ea0048ac786e137c926d3e4cfb30eaaaaa1c45800a592b1267f847d53808a3f46a65cee28d0ae
ripemd-160
da8bbff910cc0a3beb4bcf0594d1d63dbf7b7d0d
Diameter
36379940
Circumference
114290952.24204
Area
1.039474496277E+15
Volume
2.5210679870726E+22
Surface area
4.1578979851082E+15
Circumference
114290952.24204
Perimeter
72759880
Area
330875008600900
Diagonal
25724502.27316
Surface area
1985250051605400
Volume
6.0186064802001E+21
Space diagonal
31505952.228154
Perimeter
54569910
Area
1.4327308146289E+14
Altitude
15752976.114077
Surface area
1.4327308146289E+14
Volume
7.0929957590713E+20
Height
8574834.0910532