18013912 is an even 8-digits composite number following 18013911
and preceding 18013913 . In scientific notation, it is written as 1.8013912 × 10^7.
The sum of its digits is 25. It has a total of 6 prime factors and 32 positive divisors.
There are 7685280 positive integers (up to 18013912) that are relatively prime to 18013912.
18013912 has 32 divisors, whose sum is 38776320
The reverse of 18013912 is 21931081
Previous prime number is 271
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
eighteen million thirteen thousand nine hundred twelve
Scientific notation
1.8013912 × 10^7
Engineering notation
1.8013912 × 10^6
Prime Factorization
2 × 2 × 2 × 7 × 271 × 1187
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
4503478
Product of the distinct prime numbers
The prime factorization of 18013912 is 2 × 2 × 2 × 7 × 271 × 1187.
Since it has a total of 6 prime factors.
7 , 8 , 35 , 49 , 169 , 655 , 2206 , 8596 , 3570 , 10759 , 400692 , 997166 , 5570745 , 4075866 , 88964631 , 65256746 , 876277565 , 27094038 , 2661693907 , 617613186
n×2
36027824
n×3
54041736
n×4
72055648
n×5
90069560
n÷2
9006956
n÷3
6004637.3333333
n÷3
4503478
n÷5
3602782.4
n2
324501025543744
n3
5.8455329180548E+21
n4
1.0530091557894E+29
n5
1.8968814267585E+36
2 √n
4244.2799153684
3 √n
262.14164009718
4 √n
65.148138234093
5 √n
28.256710840142
1 , 2 , 4 , 7 , 8 , 14 , 28 , 56 , 271 , 542 , 1084 , 1187 , 1897 , 2168 , 2374 , 3794 , 4748 , 7588 , 8309 , 9496 , 15176 , 16618 , 33236 , 66472 , 321677 , 643354 , 1286708 , 2251739 , 2573416 , 4503478 , 9006956 , 18013912
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18013911
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18013912 can be divided by 32 positive divisors.
The sum of these divisors (counting 18013912) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1000100101101111011011000
3
Ternary
1020220012102221
4
Quaternary
1010231323120
5
Quinary
14102421122
6
Senary
1442033424
8
Octal
104557330
10
Decimal
18013912
12
Duodecimal
6048874
16
Hexadecimal
112ded8
20
Vigesimal
5cbefc
36
Base36
aq3mg
md5
f9b7fd0391e3e1f1f91031216fbd55ac
sha1
ab9dd317aecf2a021d715586045a9428a52fce6f
sha256
02ff7c59e07b87d1aa84cad5ab5c9cb7332e9eaaa5212e46a933f754f59f13b7
sha512
4f433438d01c50506b4c01a3bccd0f4f1e0a0a0444d91aa98536d4cf110e107a9b4eb4cb90279765775c696421ed04a947c8f3169826fd8f1537985bb703ce3b
ripemd-160
e27c1d81830018863e2e32a4d3f8c13ebdf9118c
Diameter
36027824
Circumference
113184747.20323
Area
1.0194500379306E+15
Volume
2.4485711028904E+22
Surface area
4.0778001517223E+15
Circumference
113184747.20323
Perimeter
72055648
Area
324501025543744
Diagonal
25475518.661795
Surface area
1947006153262464
Volume
5.8455329180548E+21
Space diagonal
31201010.827075
Perimeter
54041736
Area
1.4051306583749E+14
Altitude
15600505.413537
Surface area
1.4051306583749E+14
Volume
6.8890266100095E+20
Height
8491839.5539318