18013986 is an even 8-digits composite number following 18013985
and preceding 18013987 . In scientific notation, it is written as 1.8013986 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors.
There are 6004656 positive integers (up to 18013986) that are relatively prime to 18013986.
18013986 has 12 divisors, whose sum is 39030342
The reverse of 18013986 is 68931081
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
eighteen million thirteen thousand nine hundred eighty-six
Scientific notation
1.8013986 × 10^7
Engineering notation
1.8013986 × 10^6
Prime Factorization
2 × 3 × 3 × 1000777
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
6004662
Product of the distinct prime numbers
The prime factorization of 18013986 is 2 × 3 × 3 × 1000777.
Since it has a total of 4 prime factors.
7 , 7 , 79 , 20 , 902 , 229 , 3743 , 5407 , 18130 , 67759 , 586042 , 384050 , 615359 , 7772797 , 53920394 , 90244648 , 441515671 , 800635348 , 6079059262 , 60659704
n×2
36027972
n×3
54041958
n×4
72055944
n×5
90069930
n÷2
9006993
n÷3
6004662
n÷3
4503496.5
n÷5
3602797.2
n2
324503691608196
n3
5.8456049575784E+21
n4
1.0530264586735E+29
n5
1.8969203884174E+36
2 √n
4244.2886329749
3 √n
262.14199905039
4 √n
65.148205140087
5 √n
28.256734055456
1 , 2 , 3 , 6 , 9 , 18 , 1000777 , 2001554 , 3002331 , 6004662 , 9006993 , 18013986
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18013985
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18013986 can be divided by 12 positive divisors.
The sum of these divisors (counting 18013986) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1000100101101111100100010
3
Ternary
1020220012112200
4
Quaternary
1010231330202
5
Quinary
14102421421
6
Senary
1442034030
8
Octal
104557442
10
Decimal
18013986
12
Duodecimal
6048916
16
Hexadecimal
112df22
20
Vigesimal
5cbej6
36
Base36
aq3oi
md5
7fa222dd73118377437d00cb3bf0ce8d
sha1
52e1cdd802db4048a28eae566693da0797d3483d
sha256
69ec15e7c0b92a2a8d80aa27fe7956b6445725e1033e8d16759c26a6ef4e3fe5
sha512
8d9fd7a1330c855c5c3fb8d84aad6e6c94671b519f2fabc251aa5df752d565ccee7a7df992db8734d76a4173ba55fc1adf4cd30509226a38a65772486dfae277
ripemd-160
0a5810a492639de861e8dd0edccedcde362069b5
Diameter
36027972
Circumference
113185212.15894
Area
1.0194584136191E+15
Volume
2.4486012787355E+22
Surface area
4.0778336544763E+15
Circumference
113185212.15894
Perimeter
72055944
Area
324503691608196
Diagonal
25475623.313599
Surface area
1947022149649176
Volume
5.8456049575784E+21
Space diagonal
31201138.998834
Perimeter
54041958
Area
1.4051422027726E+14
Altitude
15600569.499417
Surface area
1.4051422027726E+14
Volume
6.8891115094023E+20
Height
8491874.4378664