18872013 is an odd 8-digits composite number following 18872012
and preceding 18872014 . In scientific notation, it is written as 1.8872013 × 10^7.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 12096000 positive integers (up to 18872013) that are relatively prime to 18872013.
18872013 has 8 divisors, whose sum is 25182976
The reverse of 18872013 is 31027881
Previous prime number is 2911
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
eighteen million eight hundred seventy-two thousand thirteen
Scientific notation
1.8872013 × 10^7
Engineering notation
1.8872013 × 10^6
Prime Factorization
3 × 2911 × 2161
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
18872013
Product of the distinct prime numbers
The prime factorization of 18872013 is 3 × 2911 × 2161.
Since it has a total of 3 prime factors.
9 , 5 , 33 , 6 , 805 , 821 , 8610 , 4578 , 77963 , 41403 , 662043 , 204067 , 6079387 , 8581980 , 29919152 , 76384124 , 875677562 , 816473010 , 1755537744 , 2145652971
n×2
37744026
n×3
56616039
n×4
75488052
n×5
94360065
n÷2
9436006.5
n÷3
6290671
n÷3
4718003.25
n÷5
3774402.6
n2
356152874672169
n3
6.7213216808005E+21
n4
1.2684487013725E+29
n5
2.3938180382135E+36
2 √n
4344.1930205736
3 √n
266.23965531013
4 √n
65.91049249227
5 √n
28.520927549311
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18872012
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18872013 can be divided by 8 positive divisors.
The sum of these divisors (counting 18872013) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000111111111011011001101
3
Ternary
1022111210112110
4
Quaternary
1013333123031
5
Quinary
14312401023
6
Senary
1512254233
8
Octal
107773315
10
Decimal
18872013
12
Duodecimal
63a1379
16
Hexadecimal
11ff6cd
20
Vigesimal
5hj00d
36
Base36
b8hql
md5
790003e58adbb90beebb147fc8a1dda2
sha1
3364a64723a827104314fca904a43aa7c6545c09
sha256
57b407d3d6eb4b200e4bb23b12fcbdd7b30b3c9b1b0bb2325312bef5d9be907f
sha512
f94e7948df67aa4f86d2bf90e37b947eb353220586391df7f82e0decb4bfd1d50d9ddcc4353bcd88f1378a6212615c117bfc49938fbe09e25ba98b86614c2fe3
ripemd-160
4c06eb398cdea07919a287b78b2992c64f385eb9
Diameter
37744026
Circumference
118576354.7985
Area
1.118887254625E+15
Volume
2.8154206419756E+22
Surface area
4.4755490184999E+15
Circumference
118576354.7985
Perimeter
75488052
Area
356152874672169
Diagonal
26689056.733881
Surface area
2136917248033014
Volume
6.7213216808005E+21
Space diagonal
32687285.3571
Perimeter
56616039
Area
1.5421871854848E+14
Altitude
16343642.67855
Surface area
1.5421871854848E+14
Volume
7.9211535650504E+20
Height
8896352.2446271