18744138 is an even 8-digits composite number following 18744137
and preceding 18744139 . In scientific notation, it is written as 1.8744138 × 10^7.
The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors.
There are 5355432 positive integers (up to 18744138) that are relatively prime to 18744138.
18744138 has 8 divisors, whose sum is 28562688
The reverse of 18744138 is 83144781
Previous prime number is 63
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
eighteen million seven hundred forty-four thousand one hundred thirty-eight
Scientific notation
1.8744138 × 10^7
Engineering notation
1.8744138 × 10^6
Prime Factorization
2 × 63 × 148763
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
18744138
Product of the distinct prime numbers
The prime factorization of 18744138 is 2 × 63 × 148763.
Since it has a total of 3 prime factors.
4 , 8 , 19 , 70 , 385 , 84 , 7561 , 3058 , 29877 , 76005 , 41012 , 27561 , 6738703 , 1784388 , 85003779 , 86450406 , 999924974 , 516435483 , 9990369455 , 9939789251
n×2
37488276
n×3
56232414
n×4
74976552
n×5
93720690
n÷2
9372069
n÷3
6248046
n÷3
4686034.5
n÷5
3748827.6
n2
351342709363044
n3
6.5856162295948E+21
n4
1.2344169942256E+29
n5
2.3138082489311E+36
2 √n
4329.450080553
3 √n
265.636953612
4 √n
65.798556827281
5 √n
28.482171334057
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
-18744137
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 18744138 can be divided by 8 positive divisors.
The sum of these divisors (counting 18744138) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000111100000001101001010
3
Ternary
1022021022010100
4
Quaternary
1013200031022
5
Quinary
14244303023
6
Senary
1505430230
8
Octal
107401512
10
Decimal
18744138
12
Duodecimal
633b376
16
Hexadecimal
11e034a
20
Vigesimal
5h306i
36
Base36
b5r2i
md5
0ee87ef4d73eb37903aff4928e062a2a
sha1
dd24a8d1eb92818b28bfeebdbacb794ef0ddf9f6
sha256
873c0e30db5a82019d69e2a451200ef21785db4d0b04db76af85e4c045b1906d
sha512
4c425ecf8079a081feb39e3f74cff989e33fe7dea0ec63b15bc5d94de4fba56ca59e1c27eb2c9b099da5808bac6adbb5c9e4d0f3e87ec6048901d8c3952b9232
ripemd-160
9ac1029d0ccc9987245472f13276c8452cf68e52
Diameter
37488276
Circumference
117772892.47735
Area
1.1037756746273E+15
Volume
2.7585764755009E+22
Surface area
4.4151026985091E+15
Circumference
117772892.47735
Perimeter
74976552
Area
351342709363044
Diagonal
26508214.174593
Surface area
2108056256178264
Volume
6.5856162295948E+21
Space diagonal
32465799.360082
Perimeter
56232414
Area
1.5213585587142E+14
Altitude
16232899.680041
Surface area
1.5213585587142E+14
Volume
7.7612231570644E+20
Height
8836071.391531