20139665 is an odd 8-digits composite number following 20139664
and preceding 20139666 . In scientific notation, it is written as 2.0139665 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 12747456 positive integers (up to 20139665) that are relatively prime to 20139665.
20139665 has 16 divisors, whose sum is 29745408
The reverse of 20139665 is 56693102
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million one hundred thirty-nine thousand six hundred sixty-five
Scientific notation
2.0139665 × 10^7
Engineering notation
2.0139665 × 10^6
Prime Factorization
5 × 7 × 13 × 44263
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20139665
Product of the distinct prime numbers
The prime factorization of 20139665 is 5 × 7 × 13 × 44263.
Since it has a total of 4 prime factors.
2 , 1 , 57 , 33 , 184 , 275 , 4080 , 6084 , 1031 , 1949 , 471919 , 556022 , 7134049 , 7436827 , 38891786 , 14554597 , 853361505 , 935203503 , 3775657666 , 8328303289
n×2
40279330
n×3
60418995
n×4
80558660
n×5
100698325
n÷2
10069832.5
n÷3
6713221.6666667
n÷3
5034916.25
n÷5
4027933
n2
405606106312225
n3
8.1687711030826E+21
n4
1.6451631347776E+29
n5
3.3133034404772E+36
2 √n
4487.7238105748
3 √n
272.07214511431
4 √n
66.990475521337
5 √n
28.894184956954
1 , 5 , 7 , 13 , 35 , 65 , 91 , 455 , 44263 , 221315 , 309841 , 575419 , 1549205 , 2877095 , 4027933 , 20139665
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20139664
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20139665 can be divided by 16 positive divisors.
The sum of these divisors (counting 20139665) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110100111010010001
3
Ternary
1101220012102112
4
Quaternary
1030310322101
5
Quinary
20123432130
6
Senary
1555355105
8
Octal
114647221
10
Decimal
20139665
12
Duodecimal
68b2a95
16
Hexadecimal
1334e91
20
Vigesimal
65h935
36
Base36
bznv5
md5
b8df558aef4eab85db1de156749f1b94
sha1
b84ea6a05df7366fc94ebd2a48910d7531b2d7f3
sha256
b30bcc75c18181f6c1601622454970fc249fe8f64ff6c3a457dc1d23963c7529
sha512
9d3ea174126180c753bb1c5dbf9514bdbe00dd240c49a2686fb1d768861f0cb6d0bf1ea7d5cf4131d9a92db9c2f53840dca661bd63b5adb2bb418166a3132a23
ripemd-160
4af207ce9aa47b2577a3c61639db11eb8e89f260
Diameter
40279330
Circumference
126541247.21952
Area
1.2742491638416E+15
Volume
3.4217268381734E+22
Surface area
5.0969966553666E+15
Circumference
126541247.21952
Perimeter
80558660
Area
405606106312225
Diagonal
28481787.384651
Surface area
2433636637873350
Volume
8.1687711030826E+21
Space diagonal
34882923.027417
Perimeter
60418995
Area
1.7563259599824E+14
Altitude
17441461.513708
Surface area
1.7563259599824E+14
Volume
9.6269890682507E+20
Height
9493929.1282169