18102012 is an even 8-digits composite number following 18102011
and preceding 18102013 . In scientific notation, it is written as 1.8102012 × 10^7.
The sum of its digits is 15. It has a total of 5 prime factors and 24 positive divisors.
There are 5771568 positive integers (up to 18102012) that are relatively prime to 18102012.
18102012 has 24 divisors, whose sum is 44075136
The reverse of 18102012 is 21020181
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 15
Digital Root 6
Name
eighteen million one hundred two thousand twelve
Scientific notation
1.8102012 × 10^7
Engineering notation
1.8102012 × 10^6
Prime Factorization
2 × 2 × 3 × 23 × 65587
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
9051006
Product of the distinct prime numbers
The prime factorization of 18102012 is 2 × 2 × 3 × 23 × 65587.
Since it has a total of 5 prime factors.
9 , 7 , 1 , 97 , 833 , 851 , 6182 , 4360 , 34090 , 78670 , 987263 , 261836 , 7889039 , 1017049 , 92752997 , 12705656 , 53183772 , 63579333 , 5170853708 , 424680687
n×2
36204024
n×3
54306036
n×4
72408048
n×5
90510060
n÷2
9051006
n÷3
6034004
n÷3
4525503
n÷5
3620402.4
n2
327682838448144
n3
5.9317186737824E+21
n4
1.0737604261343E+29
n5
1.9437224119009E+36
2 √n
4254.6459312145
3 √n
262.56829424858
4 √n
65.227646985113
5 √n
28.284295747927
1 , 2 , 3 , 4 , 6 , 12 , 23 , 46 , 69 , 92 , 138 , 276 , 65587 , 131174 , 196761 , 262348 , 393522 , 787044 , 1508501 , 3017002 , 4525503 , 6034004 , 9051006 , 18102012
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18102011
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18102012 can be divided by 24 positive divisors.
The sum of these divisors (counting 18102012) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1000101000011011011111100
3
Ternary
1021001200021220
4
Quaternary
1011003123330
5
Quinary
14113231022
6
Senary
1443553340
8
Octal
105033374
10
Decimal
18102012
12
Duodecimal
608b850
16
Hexadecimal
11436fc
20
Vigesimal
5d2f0c
36
Base36
arzlo
md5
03c19263ee167f9fec86599bfffafbc9
sha1
e6e09d8455f957b795a5d62db70bdab7ea60d673
sha256
8f139cb5bd35d12d6a17cfc1ab8caf9b03a5bb8f0543448b711cd482b484c1ff
sha512
52a1cd850e7176a053da49cc6aa581ab190287f9f0f81396b5420cdb024c8f1550c088a407daf181c344176babefff6e22a26ea340d857181d845adeec890a7c
ripemd-160
8fe1bd2c936ba0ba5394a0992316ccddc9f7d42b
Diameter
36204024
Circumference
113738295.82879
Area
1.0294459979761E+15
Volume
2.4846725078288E+22
Surface area
4.1177839919046E+15
Circumference
113738295.82879
Perimeter
72408048
Area
327682838448144
Diagonal
25600110.876641
Surface area
1966097030688864
Volume
5.9317186737824E+21
Space diagonal
31353604.503222
Perimeter
54306036
Area
1.4189083124014E+14
Altitude
15676802.251611
Surface area
1.4189083124014E+14
Volume
6.990597497204E+20
Height
8533370.2922135