20187238 is an even 8-digits composite number following 20187237
and preceding 20187239 . In scientific notation, it is written as 2.0187238 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 9654744 positive integers (up to 20187238) that are relatively prime to 20187238.
20187238 has 8 divisors, whose sum is 31597488
The reverse of 20187238 is 83278102
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million one hundred eighty-seven thousand two hundred thirty-eight
Scientific notation
2.0187238 × 10^7
Engineering notation
2.0187238 × 10^6
Prime Factorization
2 × 23 × 438853
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20187238
Product of the distinct prime numbers
The prime factorization of 20187238 is 2 × 23 × 438853.
Since it has a total of 3 prime factors.
3 , 2 , 51 , 24 , 779 , 160 , 2489 , 2826 , 72368 , 40296 , 484768 , 566696 , 3518416 , 6138103 , 55126564 , 52250180 , 489037246 , 414683337 , 5198379227 , 5836102933
n×2
40374476
n×3
60561714
n×4
80748952
n×5
100936190
n÷2
10093619
n÷3
6729079.3333333
n÷3
5046809.5
n÷5
4037447.6
n2
407524578068644
n3
8.2267956483213E+21
n4
1.6607628173003E+29
n5
3.3526214254391E+36
2 √n
4493.0210326683
3 √n
272.28620213668
4 √n
67.030000989619
5 √n
28.907822583078
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
-20187237
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 20187238 can be divided by 8 positive divisors.
The sum of these divisors (counting 20187238) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101000000100001100110
3
Ternary
1101222121200111
4
Quaternary
1031000201212
5
Quinary
20131442423
6
Senary
2000403234
8
Octal
115004146
10
Decimal
20187238
12
Duodecimal
691651a
16
Hexadecimal
1340866
20
Vigesimal
66381i
36
Base36
c0okm
md5
6808666cd5553abb00a622b3576696b5
sha1
4551a9b017d232259efa1322151d2e264005de01
sha256
d7a5fa7765dda2b4c2491560d5e2bd0cc0ecaa45a483152d6a370623b9c16966
sha512
a61baa49ebf4c593b7358cd12bf860057bc9c2db507828e3edaeb37cdb1fcd9adb0b2934009d71c70183bc8f0a20c70301198da07a94b40314abdf8853ad8082
ripemd-160
fd47079da4b577fb7d5b6ab88321d0d97524601e
Diameter
40374476
Circumference
126840157.19414
Area
1.2802762206177E+15
Volume
3.4460321028468E+22
Surface area
5.1211048824709E+15
Circumference
126840157.19414
Perimeter
80748952
Area
407524578068644
Diagonal
28549065.766454
Surface area
2445147468411864
Volume
8.2267956483213E+21
Space diagonal
34965321.880485
Perimeter
60561714
Area
1.7646331863699E+14
Altitude
17482660.940243
Surface area
1.7646331863699E+14
Volume
9.6953716506066E+20
Height
9516355.2554845