18872020 is an even 8-digits composite number following 18872019
and preceding 18872021 . In scientific notation, it is written as 1.8872020 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors.
There are 7548800 positive integers (up to 18872020) that are relatively prime to 18872020.
18872020 has 12 divisors, whose sum is 39631284
The reverse of 18872020 is 02027881
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
eighteen million eight hundred seventy-two thousand twenty
Scientific notation
1.8872020 × 10^7
Engineering notation
1.8872020 × 10^6
Prime Factorization
2 × 2 × 5 × 943601
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
9436010
Product of the distinct prime numbers
The prime factorization of 18872020 is 2 × 2 × 5 × 943601.
Since it has a total of 4 prime factors.
10 , 6 , 39 , 50 , 418 , 213 , 8652 , 6427 , 10 , 95922 , 196109 , 942871 , 1359441 , 162688 , 51897361 , 21935195 , 245149646 , 969323876 , 6686742766 , 7593429821
n×2
37744040
n×3
56616060
n×4
75488080
n×5
94360100
n÷2
9436010
n÷3
6290673.3333333
n÷3
4718005
n÷5
3774404
n2
356153138880400
n3
6.7213291600137E+21
n4
1.2684505833436E+29
n5
2.3938224777872E+36
2 √n
4344.1938262467
3 √n
266.23968822796
4 √n
65.910498604143
5 √n
28.520929665106
1 , 2 , 4 , 5 , 10 , 20 , 943601 , 1887202 , 3774404 , 4718005 , 9436010 , 18872020
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
-18872019
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 18872020 can be divided by 12 positive divisors.
The sum of these divisors (counting 18872020) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1000111111111011011010100
3
Ternary
1022111210112201
4
Quaternary
1013333123110
5
Quinary
14312401040
6
Senary
1512254244
8
Octal
107773324
10
Decimal
18872020
12
Duodecimal
63a1384
16
Hexadecimal
11ff6d4
20
Vigesimal
5hj010
36
Base36
b8hqs
md5
ced294e8ff18a0fece016073a7f4c146
sha1
8a2a94aef2f5fa7dc150db3ddaa332682d389ddd
sha256
4565c293cca533c84ba95db970715effc64889c8b41363378f09366ce477e241
sha512
2e05da4ab9ceb29806c9073914e8ef3db5e0902eb83f65f53d0f328baf88fe9ae644fd4f5b233a727181a80ac9c80a17190ec6b1c1aabec5be8c006d654e4846
ripemd-160
cb3077951f6e76aedb322aed4cfb69213baf3996
Diameter
37744040
Circumference
118576398.7808
Area
1.1188880846596E+15
Volume
2.815423774861E+22
Surface area
4.4755523386384E+15
Circumference
118576398.7808
Perimeter
75488080
Area
356153138880400
Diagonal
26689066.633376
Surface area
2136918833282400
Volume
6.7213291600137E+21
Space diagonal
32687297.481456
Perimeter
56616060
Area
1.54218832954E+14
Altitude
16343648.740728
Surface area
1.54218832954E+14
Volume
7.9211623793876E+20
Height
8896355.5444588