18449986 is an even 8-digits composite number following 18449985
and preceding 18449987 . In scientific notation, it is written as 1.8449986 × 10^7.
The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors.
There are 9224992 positive integers (up to 18449986) that are relatively prime to 18449986.
18449986 has 4 divisors, whose sum is 27674982
The reverse of 18449986 is 68994481
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 49
Digital Root 4
Name
eighteen million four hundred forty-nine thousand nine hundred eighty-six
Scientific notation
1.8449986 × 10^7
Engineering notation
1.8449986 × 10^6
Prime Factorization
2 × 9224993
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
18449986
Product of the distinct prime numbers
The prime factorization of 18449986 is 2 × 9224993.
Since it has a total of 2 prime factors.
8 , 7 , 39 , 3 , 829 , 865 , 3837 , 9800 , 25407 , 14176 , 46747 , 963112 , 2391824 , 2886115 , 51525373 , 43703526 , 532573289 , 543930101 , 7235854254 , 2222876755
n×2
36899972
n×3
55349958
n×4
73799944
n×5
92249930
n÷2
9224993
n÷3
6149995.3333333
n÷3
4612496.5
n÷5
3689997.2
n2
340401983400196
n3
6.2804118281058E+21
n4
1.1587351030279E+29
n5
2.1378646428573E+36
2 √n
4295.3446893119
3 √n
264.24007278891
4 √n
65.538879219223
5 √n
28.392210629229
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18449985
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18449986 can be divided by 4 positive divisors.
The sum of these divisors (counting 18449986) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000110011000011001000010
3
Ternary
1021201100121211
4
Quaternary
1012120121002
5
Quinary
14210344421
6
Senary
1455240334
8
Octal
106303102
10
Decimal
18449986
12
Duodecimal
62190aa
16
Hexadecimal
1198642
20
Vigesimal
5f64j6
36
Base36
azg3m
md5
c98d57b13900644449687a69446c9475
sha1
2ff35f6d48f518aa023aef6ff17a24fa4b3223bb
sha256
0da8d2234362707a85c1f46c522dd13577587afcb8ffd3175bae551f4dfa9c51
sha512
a2fe120b43d232604072d6fd0656c4b60b3dd08298710adb6df3991bfe260e38da5eb7d93730e2fb9522b816caa170a0a0a71974ae2699f901cc9d3abcdf2062
ripemd-160
d494634bfc836a807384eee7d2d25da3ee16aab6
Diameter
36899972
Circumference
115924680.95287
Area
1.0694043703175E+15
Volume
2.6307327547594E+22
Surface area
4.2776174812698E+15
Circumference
115924680.95287
Perimeter
73799944
Area
340401983400196
Diagonal
26092220.426794
Surface area
2042411900401176
Volume
6.2804118281058E+21
Space diagonal
31956313.150934
Perimeter
55349958
Area
1.4739838256159E+14
Altitude
15978156.575467
Surface area
1.4739838256159E+14
Volume
7.4015363204964E+20
Height
8697406.8089312