20138831 is an odd 8-digits composite number following 20138830
and preceding 20138832 . In scientific notation, it is written as 2.0138831 × 10^7.
The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors.
There are 19423360 positive integers (up to 20138831) that are relatively prime to 20138831.
20138831 has 8 divisors, whose sum is 20865600
The reverse of 20138831 is 13883102
Previous prime number is 89
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million one hundred thirty-eight thousand eight hundred thirty-one
Scientific notation
2.0138831 × 10^7
Engineering notation
2.0138831 × 10^6
Prime Factorization
41 × 89 × 5519
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20138831
Product of the distinct prime numbers
The prime factorization of 20138831 is 41 × 89 × 5519.
Since it has a total of 3 prime factors.
2 , 8 , 10 , 14 , 291 , 197 , 7445 , 5679 , 16602 , 32309 , 365715 , 726656 , 6314619 , 2645790 , 31870789 , 86072058 , 823213879 , 214763660 , 1659090345 , 1775846411
n×2
40277662
n×3
60416493
n×4
80555324
n×5
100694155
n÷2
10069415.5
n÷3
6712943.6666667
n÷3
5034707.75
n÷5
4027766.2
n2
405572514046561
n3
8.1677563186288E+21
n4
1.6448906415005E+29
n5
3.312617464266E+36
2 √n
4487.630889456
3 √n
272.06838948578
4 √n
66.989781977971
5 √n
28.893945646623
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
-20138830
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 20138831 can be divided by 8 positive divisors.
The sum of these divisors (counting 20138831) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110100101101001111
3
Ternary
1101220011021122
4
Quaternary
1030310231033
5
Quinary
20123420311
6
Senary
1555351155
8
Octal
114645517
10
Decimal
20138831
12
Duodecimal
68b24bb
16
Hexadecimal
1334b4f
20
Vigesimal
65h71b
36
Base36
bzn7z
md5
8324f9e85ccf91ccd29e0b3587362018
sha1
50d95e8eacfe5ced89ca7e15f4fcddeaa9232b93
sha256
cd47e469410a71db86ad71b7d6aaaedd62f4fc48ec7140db0aa88e6778a0c607
sha512
e1225f1720cb0dfa08b517fc1d24a17afbb054c941ea608e9aa93a833990889cc2691a7682558571cd2ac2774e6df3976b6dd28623a26480fc52425d9efa68de
ripemd-160
0932da3c804744cff9281b64bb401f916314d174
Diameter
40277662
Circumference
126536007.04297
Area
1.2741436306266E+15
Volume
3.4213017662555E+22
Surface area
5.0965745225065E+15
Circumference
126536007.04297
Perimeter
80555324
Area
405572514046561
Diagonal
28480607.93054
Surface area
2433435084279366
Volume
8.1677563186288E+21
Space diagonal
34881478.497043
Perimeter
60416493
Area
1.7561805012052E+14
Altitude
17440739.248522
Surface area
1.7561805012052E+14
Volume
9.6257931333028E+20
Height
9493535.9768466