20157946 is an even 8-digits composite number following 20157945
and preceding 20157947 . In scientific notation, it is written as 2.0157946 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 10078972 positive integers (up to 20157946) that are relatively prime to 20157946.
20157946 has 4 divisors, whose sum is 30236922
The reverse of 20157946 is 64975102
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million one hundred fifty-seven thousand nine hundred forty-six
Scientific notation
2.0157946 × 10^7
Engineering notation
2.0157946 × 10^6
Prime Factorization
2 × 10078973
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20157946
Product of the distinct prime numbers
The prime factorization of 20157946 is 2 × 10078973.
Since it has a total of 2 prime factors.
2 , 6 , 67 , 100 , 338 , 631 , 3628 , 7077 , 95445 , 83798 , 131410 , 60685 , 1503866 , 9522682 , 69231139 , 21268708 , 88402328 , 203808254 , 2218516723 , 4090159213
n×2
40315892
n×3
60473838
n×4
80631784
n×5
100789730
n÷2
10078973
n÷3
6719315.3333333
n÷3
5039486.5
n÷5
4031589.2
n2
406342786938916
n3
8.1910359566042E+21
n4
1.6511446049729E+29
n5
3.3283683785234E+36
2 √n
4489.7601272228
3 √n
272.15444119907
4 √n
67.005672351099
5 √n
28.899428568633
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
-20157945
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 20157946 can be divided by 4 positive divisors.
The sum of these divisors (counting 20157946) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100111001010111111010
3
Ternary
1101221010111121
4
Quaternary
1030321113322
5
Quinary
20130023241
6
Senary
2000015454
8
Octal
114712772
10
Decimal
20157946
12
Duodecimal
690158a
16
Hexadecimal
13395fa
20
Vigesimal
65jeh6
36
Base36
c01yy
md5
8303b7b2506eaba569d5387819a4cdac
sha1
e3b7b981a535cb3920d868e5f47aa487d2782316
sha256
4a482685329104efff69c732342521afa285d71f5ff7bede743ea4da8a9fd420
sha512
679fcaed45a70188c44841fb5529914d7b592b4e123b8e9a09160ca2319165a97452858caf74cc5c17b6ac31f3e044e2d25d845164d5687c30e7cb0c271ee401
ripemd-160
7846f7a3b187599b5b17f0c3a14d2ede7fcd7b42
Diameter
40315892
Circumference
126656110.13012
Area
1.2765635142865E+15
Volume
3.4310531182077E+22
Surface area
5.106254057146E+15
Circumference
126656110.13012
Perimeter
80631784
Area
406342786938916
Diagonal
28507640.622784
Surface area
2438056721633496
Volume
8.1910359566042E+21
Space diagonal
34914586.64823
Perimeter
60473838
Area
1.7595158806683E+14
Altitude
17457293.324115
Surface area
1.7595158806683E+14
Volume
9.6532284497628E+20
Height
9502546.8742615