20187438 is an even 8-digits composite number following 20187437
and preceding 20187439 . In scientific notation, it is written as 2.0187438 × 10^7.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 6729144 positive integers (up to 20187438) that are relatively prime to 20187438.
20187438 has 8 divisors, whose sum is 40374888
The reverse of 20187438 is 83478102
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million one hundred eighty-seven thousand four hundred thirty-eight
Scientific notation
2.0187438 × 10^7
Engineering notation
2.0187438 × 10^6
Prime Factorization
2 × 3 × 3364573
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20187438
Product of the distinct prime numbers
The prime factorization of 20187438 is 2 × 3 × 3364573.
Since it has a total of 3 prime factors.
6 , 2 , 44 , 63 , 399 , 307 , 2227 , 1363 , 28961 , 26037 , 150737 , 548998 , 4379555 , 4707001 , 83832894 , 88834969 , 791058956 , 748401051 , 6097599196 , 5196657636
n×2
40374876
n×3
60562314
n×4
80749752
n×5
100937190
n÷2
10093719
n÷3
6729146
n÷3
5046859.5
n÷5
4037487.6
n2
407532653003844
n3
8.2270401654906E+21
n4
1.6608286326435E+29
n5
3.3527875050116E+36
2 √n
4493.043289353
3 √n
272.28710133614
4 √n
67.030167009735
5 √n
28.907879862252
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
-20187437
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 20187438 can be divided by 8 positive divisors.
The sum of these divisors (counting 20187438) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101000000100100101110
3
Ternary
1101222121221220
4
Quaternary
1031000210232
5
Quinary
20131444223
6
Senary
2000404210
8
Octal
115004456
10
Decimal
20187438
12
Duodecimal
6916666
16
Hexadecimal
134092e
20
Vigesimal
6638bi
36
Base36
c0oq6
md5
f012c7eb8db6bc79092335e3d0869751
sha1
2452296d973ac154b9e68e22702b01a502684842
sha256
eac790f82ca0e56a09e16c02e31d555ee461b07b3d2a51272b969a40986eba03
sha512
a8f18625f78155b364450bca60d9f8172bee6faa72220d42bd9e12a6623c1e33e12d978f3d0812a182eee5f8e7e4fe925bb7dd4f2da3776619372a1a1ef85d7a
ripemd-160
75221bcce1201f1cb0534f51920fd3ddbc28b5b3
Diameter
40374876
Circumference
126841413.8312
Area
1.2803015887748E+15
Volume
3.4461345259591E+22
Surface area
5.1212063550993E+15
Circumference
126841413.8312
Perimeter
80749752
Area
407532653003844
Diagonal
28549348.609166
Surface area
2445195918023064
Volume
8.2270401654906E+21
Space diagonal
34965668.290647
Perimeter
60562314
Area
1.764668151865E+14
Altitude
17482834.145323
Surface area
1.764668151865E+14
Volume
9.6956598168542E+20
Height
9516449.5363887