20149742 is an even 8-digits composite number following 20149741
and preceding 20149743 . In scientific notation, it is written as 2.0149742 × 10^7.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 10008000 positive integers (up to 20149742) that are relatively prime to 20149742.
20149742 has 8 divisors, whose sum is 30425232
The reverse of 20149742 is 24794102
Previous prime number is 151
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million one hundred forty-nine thousand seven hundred forty-two
Scientific notation
2.0149742 × 10^7
Engineering notation
2.0149742 × 10^6
Prime Factorization
2 × 151 × 66721
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20149742
Product of the distinct prime numbers
The prime factorization of 20149742 is 2 × 151 × 66721.
Since it has a total of 3 prime factors.
9 , 10 , 47 , 31 , 536 , 906 , 517 , 6980 , 39948 , 22860 , 374059 , 316816 , 2617805 , 5067794 , 5688092 , 41066544 , 344444796 , 421122317 , 4979842055 , 9457233567
n×2
40299484
n×3
60449226
n×4
80598968
n×5
100748710
n÷2
10074871
n÷3
6716580.6666667
n÷3
5037435.5
n÷5
4029948.4
n2
406012102666564
n3
8.1810391176088E+21
n4
1.6484582751172E+29
n5
3.3216008941378E+36
2 √n
4488.8463996889
3 √n
272.11751518151
4 √n
66.998853719216
5 √n
28.897075853545
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
-20149741
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 20149742 can be divided by 8 positive divisors.
The sum of these divisors (counting 20149742) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110111010111101110
3
Ternary
1101220201020202
4
Quaternary
1030313113232
5
Quinary
20124242432
6
Senary
1555513502
8
Octal
114672756
10
Decimal
20149742
12
Duodecimal
68b8892
16
Hexadecimal
13375ee
20
Vigesimal
65ie72
36
Base36
bzvn2
md5
9a5d0455568203cbca985ace87a28eb8
sha1
de64e7e807365272c59e26b40bef56f6b161b3e6
sha256
dc8e11755b3e43e5ca169ad243e8acbfb982ed2c1536a1f64ccc500648da4153
sha512
6c159fa1c6418a8a13a58f3d8507a1a4137700776d31b526fe86594458aa9d1f92f6b2355afde5450c7c890b2641f39020d0faa940d14a5e207203e8d08a47c8
ripemd-160
94e3ac2cb959db8794d7d2dfe0ba56b6bdb35f59
Diameter
40299484
Circumference
126604562.87786
Area
1.2755246390058E+15
Volume
3.4268656520814E+22
Surface area
5.1020985560233E+15
Circumference
126604562.87786
Perimeter
80598968
Area
406012102666564
Diagonal
28496038.414719
Surface area
2436072615999384
Volume
8.1810391176088E+21
Space diagonal
34900376.903405
Perimeter
60449226
Area
1.7580839757659E+14
Altitude
17450188.451702
Surface area
1.7580839757659E+14
Volume
9.6414470620226E+20
Height
9498679.4715729