20123947 is an odd 8-digits composite number following 20123946
and preceding 20123948 . In scientific notation, it is written as 2.0123947 × 10^7.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 19924600 positive integers (up to 20123947) that are relatively prime to 20123947.
20123947 has 4 divisors, whose sum is 20323296
The reverse of 20123947 is 74932102
Previous prime number is 101
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million one hundred twenty-three thousand nine hundred forty-seven
Scientific notation
2.0123947 × 10^7
Engineering notation
2.0123947 × 10^6
Prime Factorization
101 × 199247
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20123947
Product of the distinct prime numbers
The prime factorization of 20123947 is 101 × 199247.
Since it has a total of 2 prime factors.
7 , 3 , 84 , 59 , 7 , 222 , 5941 , 7387 , 6920 , 86669 , 225908 , 695577 , 4978421 , 5043196 , 46219467 , 27061821 , 348823756 , 94906632 , 1887866152 , 2974171218
n×2
40247894
n×3
60371841
n×4
80495788
n×5
100619735
n÷2
10061973.5
n÷3
6707982.3333333
n÷3
5030986.75
n÷5
4024789.4
n2
404973242858809
n3
8.1496600757088E+21
n4
1.6400332743158E+29
n5
3.3003942690568E+36
2 √n
4485.9722469048
3 √n
272.00134713145
4 √n
66.977401016349
5 √n
28.889673455448
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
-20123946
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 20123947 can be divided by 4 positive divisors.
The sum of these divisors (counting 20123947) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110001000100101011
3
Ternary
1101212101212101
4
Quaternary
1030301010223
5
Quinary
20122431242
6
Senary
1555154231
8
Octal
114610453
10
Decimal
20123947
12
Duodecimal
68a5977
16
Hexadecimal
133112b
20
Vigesimal
65f9h7
36
Base36
bzbqj
md5
a20e63399d03ba8c51ac6f368a2c1e13
sha1
c592438176f1483bc84ee4441ab3830d70c35753
sha256
10370a08bd48c195754817d1068d84fe65dd255197c67ec850ee3c7cd7cfa3ee
sha512
73a547ed598b8fec5f43a7914395d38a706d29b9c6e6b1fda30d02333870aa43709d7d97bd855acb25baba0e89bb5a57435c33719aaa5af5b2880646bc85e8e9
ripemd-160
dc2252c33815258e9a4328e898bd2702fc7cf674
Diameter
40247894
Circumference
126442488.11286
Area
1.2722609646657E+15
Volume
3.4137216297468E+22
Surface area
5.0890438586627E+15
Circumference
126442488.11286
Perimeter
80495788
Area
404973242858809
Diagonal
28459558.775877
Surface area
2429839457152854
Volume
8.1496600757088E+21
Space diagonal
34855698.652823
Perimeter
60371841
Area
1.7535855808435E+14
Altitude
17427849.326412
Surface area
1.7535855808435E+14
Volume
9.6044665064983E+20
Height
9486519.5919591