18744986 is an even 8-digits composite number following 18744985
and preceding 18744987 . In scientific notation, it is written as 1.8744986 × 10^7.
The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors.
There are 8651520 positive integers (up to 18744986) that are relatively prime to 18744986.
18744986 has 8 divisors, whose sum is 30280404
The reverse of 18744986 is 68944781
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 47
Digital Root 2
Name
eighteen million seven hundred forty-four thousand nine hundred eighty-six
Scientific notation
1.8744986 × 10^7
Engineering notation
1.8744986 × 10^6
Prime Factorization
2 × 13 × 720961
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
18744986
Product of the distinct prime numbers
The prime factorization of 18744986 is 2 × 13 × 720961.
Since it has a total of 3 prime factors.
4 , 6 , 38 , 12 , 956 , 708 , 3815 , 2425 , 9129 , 54453 , 602385 , 670768 , 7678912 , 330468 , 68648848 , 73389568 , 410565580 , 544365027 , 4022452988 , 7801932407
n×2
37489972
n×3
56234958
n×4
74979944
n×5
93724930
n÷2
9372493
n÷3
6248328.6666667
n÷3
4686246.5
n÷5
3748997.2
n2
351374500140196
n3
6.586510085885E+21
n4
1.2346403934877E+29
n5
2.3143316890962E+36
2 √n
4329.5480133612
3 √n
265.64095942864
4 √n
65.79930100967
5 √n
28.482429040698
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
-18744985
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 18744986 can be divided by 8 positive divisors.
The sum of these divisors (counting 18744986) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000111100000011010011010
3
Ternary
1022021100021202
4
Quaternary
1013200122122
5
Quinary
14244314421
6
Senary
1505434202
8
Octal
107403232
10
Decimal
18744986
12
Duodecimal
633b962
16
Hexadecimal
11e069a
20
Vigesimal
5h3296
36
Base36
b5rq2
md5
e7f6ef53a5451a943762a8502e1d50b8
sha1
5d902752f952e460bfad2deb53833b92a715703c
sha256
93ebe2618c1df4e515a0f44df93556a03a71f45288ec6290546bc46b42dcb225
sha512
dae962657133b4684dff55c41d3da9ec863703803638ca8bfe2f812d208191fabd9dde0b31463a1c2efffd5daa04d10d90f35efe83d1b7221dc64bd9899df6d3
ripemd-160
84b6b3fa911a0ea7380b72670d03830e076d2c8b
Diameter
37489972
Circumference
117778220.61849
Area
1.1038755482992E+15
Volume
2.7589508931482E+22
Surface area
4.4155021931969E+15
Circumference
117778220.61849
Perimeter
74979944
Area
351374500140196
Diagonal
26509413.427694
Surface area
2108247000841176
Volume
6.586510085885E+21
Space diagonal
32467268.139167
Perimeter
56234958
Area
1.5214962168173E+14
Altitude
16233634.069584
Surface area
1.5214962168173E+14
Volume
7.7622765768048E+20
Height
8836471.1425646