18872012 is an even 8-digits composite number following 18872011
and preceding 18872013 . In scientific notation, it is written as 1.8872012 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 12 positive divisors.
There are 9216480 positive integers (up to 18872012) that are relatively prime to 18872012.
18872012 has 12 divisors, whose sum is 33794376
The reverse of 18872012 is 21027881
Previous prime number is 43
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
eighteen million eight hundred seventy-two thousand twelve
Scientific notation
1.8872012 × 10^7
Engineering notation
1.8872012 × 10^6
Prime Factorization
2 × 2 × 43 × 109721
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
9436006
Product of the distinct prime numbers
The prime factorization of 18872012 is 2 × 2 × 43 × 109721.
Since it has a total of 4 prime factors.
10 , 8 , 95 , 7 , 808 , 202 , 5700 , 281 , 67297 , 20339 , 369524 , 937635 , 5561039 , 5760728 , 40638752 , 25258146 , 643627258 , 236670204 , 6005673704 , 2476343004
n×2
37744024
n×3
56616036
n×4
75488048
n×5
94360060
n÷2
9436006
n÷3
6290670.6666667
n÷3
4718003
n÷5
3774402.4
n2
356152836928144
n3
6.721320612342E+21
n4
1.2684484325197E+29
n5
2.3938174039892E+36
2 √n
4344.1929054774
3 √n
266.23965060758
4 √n
65.910491619145
5 √n
28.520927247055
1 , 2 , 4 , 43 , 86 , 172 , 109721 , 219442 , 438884 , 4718003 , 9436006 , 18872012
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
-18872011
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 18872012 can be divided by 12 positive divisors.
The sum of these divisors (counting 18872012) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1000111111111011011001100
3
Ternary
1022111210112102
4
Quaternary
1013333123030
5
Quinary
14312401022
6
Senary
1512254232
8
Octal
107773314
10
Decimal
18872012
12
Duodecimal
63a1378
16
Hexadecimal
11ff6cc
20
Vigesimal
5hj00c
36
Base36
b8hqk
md5
1f525a77956ddab87907aee8a1bbd024
sha1
677b6985aa2dc902f20f526c2b2a0ac2b92b9296
sha256
02a554748b37192ceeb1609869ddfc6a5dce94c05cd9fe8da22ed0743b6b7128
sha512
622be8d13463580218777ccde8a846d40f62fe60f48cd2a2cd055cef80165e106c422f8d964e55fd5218a46853a254a6da6b16dc197dbac2283bbc362bf90eaa
ripemd-160
0f4320298437adb766a0a87b18e88355d4af6648
Diameter
37744024
Circumference
118576348.51532
Area
1.1188871360486E+15
Volume
2.8154201944207E+22
Surface area
4.4755485441945E+15
Circumference
118576348.51532
Perimeter
75488048
Area
356152836928144
Diagonal
26689055.319668
Surface area
2136917021568864
Volume
6.721320612342E+21
Space diagonal
32687283.62505
Perimeter
56616036
Area
1.5421870220483E+14
Altitude
16343641.812525
Surface area
1.5421870220483E+14
Volume
7.9211523058599E+20
Height
8896351.7732226