20147839 is an odd 8-digits composite number following 20147838
and preceding 20147840 . In scientific notation, it is written as 2.0147839 × 10^7.
The sum of its digits is 34. It has a total of 4 prime factors and 12 positive divisors.
There are 18058304 positive integers (up to 20147839) that are relatively prime to 20147839.
20147839 has 12 divisors, whose sum is 22359024
The reverse of 20147839 is 93874102
Previous prime number is 227
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million one hundred forty-seven thousand eight hundred thirty-nine
Scientific notation
2.0147839 × 10^7
Engineering notation
2.0147839 × 10^6
Prime Factorization
23 × 17 × 227 × 227
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
88757
Product of the distinct prime numbers
The prime factorization of 20147839 is 23 × 17 × 227 × 227.
Since it has a total of 4 prime factors.
1 , 1 , 44 , 42 , 194 , 157 , 6560 , 8681 , 70721 , 87790 , 407188 , 324106 , 7208139 , 3205968 , 19358703 , 6514454 , 224953242 , 738236732 , 9841520242 , 2527673138
n×2
40295678
n×3
60443517
n×4
80591356
n×5
100739195
n÷2
10073919.5
n÷3
6715946.3333333
n÷3
5036959.75
n÷5
4029567.8
n2
405935416369921
n3
8.1787214134191E+21
n4
1.6478356226342E+29
n5
3.3200326823299E+36
2 √n
4488.6344248557
3 √n
272.10894838969
4 √n
66.997271771735
5 √n
28.896530008215
1 , 17 , 23 , 227 , 391 , 3859 , 5221 , 51529 , 88757 , 875993 , 1185167 , 20147839
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
-20147838
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 20147839 can be divided by 12 positive divisors.
The sum of these divisors (counting 20147839) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100110110111001111111
3
Ternary
1101220121122021
4
Quaternary
1030312321333
5
Quinary
20124212324
6
Senary
1555501011
8
Octal
114667177
10
Decimal
20147839
12
Duodecimal
68b7767
16
Hexadecimal
1336e7f
20
Vigesimal
65i9bj
36
Base36
bzu67
md5
d53477596e81965c7e3134509d1a29e7
sha1
3451e434adf9da1c6633c920e347a5432da31c91
sha256
ecfe76ece5f53f571d277491a0444775d0a3dc8d5b4ff3502d7bd045a6a26f65
sha512
e73adb4ad70253ff71a8880cddcbf4776d8b16ebe0d3f4f994d972043b8a3a5d754a9adda2b1401ba1c6b517b567e737ddaf375a8232215354a9472ae527bcb8
ripemd-160
d0940ccc39f714693740cc841735ba5155fd511c
Diameter
40295678
Circumference
126592605.97622
Area
1.2752837218997E+15
Volume
3.4258948144207E+22
Surface area
5.1011348875986E+15
Circumference
126592605.97622
Perimeter
80591356
Area
405935416369921
Diagonal
28493347.16631
Surface area
2435612498219526
Volume
8.1787214134191E+21
Space diagonal
34897080.810718
Perimeter
60443517
Area
1.7577519143608E+14
Altitude
17448540.405359
Surface area
1.7577519143608E+14
Volume
9.6387156214405E+20
Height
9497782.3887699