20149747 is an odd 8-digits composite number following 20149746
and preceding 20149748 . In scientific notation, it is written as 2.0149747 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 19089216 positive integers (up to 20149747) that are relatively prime to 20149747.
20149747 has 4 divisors, whose sum is 21210280
The reverse of 20149747 is 74794102
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million one hundred forty-nine thousand seven hundred forty-seven
Scientific notation
2.0149747 × 10^7
Engineering notation
2.0149747 × 10^6
Prime Factorization
19 × 1060513
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20149747
Product of the distinct prime numbers
The prime factorization of 20149747 is 19 × 1060513.
Since it has a total of 2 prime factors.
8 , 6 , 82 , 30 , 526 , 224 , 9583 , 4893 , 8121 , 14086 , 796705 , 903557 , 9643485 , 9375560 , 78779769 , 68488917 , 768313506 , 329757352 , 1566515067 , 6071809779
n×2
40299494
n×3
60449241
n×4
80598988
n×5
100748735
n÷2
10074873.5
n÷3
6716582.3333333
n÷3
5037436.75
n÷5
4029949.4
n2
406012304164009
n3
8.1810452077918E+21
n4
1.6484599113257E+29
n5
3.3216050152855E+36
2 √n
4488.8469566248
3 √n
272.11753768944
4 √n
66.998857875525
5 √n
28.897077287661
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20149746
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20149747 can be divided by 4 positive divisors.
The sum of these divisors (counting 20149747) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110111010111110011
3
Ternary
1101220201020221
4
Quaternary
1030313113303
5
Quinary
20124242442
6
Senary
1555513511
8
Octal
114672763
10
Decimal
20149747
12
Duodecimal
68b8897
16
Hexadecimal
13375f3
20
Vigesimal
65ie77
36
Base36
bzvn7
md5
8e5bf5ac69587af3f87e726c910eecbf
sha1
b7c10361d5f9db5dd03df8da60dd08e8a11df6ad
sha256
7fc81d4df3a40e67837114c3a057e705134f96464b6d82bda4427dd9ebf3296a
sha512
1cc6f5d58a5f2cd7117b15523c9c63b1718cd0aeee42ded94598b3cdbb7e99a2d9147443868be4a021267101278f8d23ffac9c13a40e5ffd9edeff91a787adbb
ripemd-160
c35acc537fccc42806a1283d28a9eff145c2a488
Diameter
40299494
Circumference
126604594.29379
Area
1.2755252720287E+15
Volume
3.4268682031313E+22
Surface area
5.1021010881149E+15
Circumference
126604594.29379
Perimeter
80598988
Area
406012304164009
Diagonal
28496045.485787
Surface area
2436073824984054
Volume
8.1810452077918E+21
Space diagonal
34900385.563659
Perimeter
60449241
Area
1.7580848482754E+14
Altitude
17450192.781829
Surface area
1.7580848482754E+14
Volume
9.6414542393722E+20
Height
9498681.8285955