20123947 (number)

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.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-three thousand nine hundred forty-seven

Notation

Scientific notation 2.0123947 × 10^7
Engineering notation 2.0123947 × 10^6

Prime Factorization of 20123947

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.

Most popular turbo-numbers

Basic calculations (n = 20123947)

Multiplication

n×y
n×2 40247894
n×3 60371841
n×4 80495788
n×5 100619735

Division

n÷y
n÷2 10061973.5
n÷3 6707982.3333333
n÷3 5030986.75
n÷5 4024789.4

Exponentiation

ny
n2 404973242858809
n3 8.1496600757088E+21
n4 1.6400332743158E+29
n5 3.3003942690568E+36

Nth Root

y√n
2√n 4485.9722469048
3√n 272.00134713145
4√n 66.977401016349
5√n 28.889673455448

Divisors of 20123947

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 conversion 20123947

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

Cryptographic Hash Functions

md5 a20e63399d03ba8c51ac6f368a2c1e13
sha1 c592438176f1483bc84ee4441ab3830d70c35753
sha256 10370a08bd48c195754817d1068d84fe65dd255197c67ec850ee3c7cd7cfa3ee
sha512 73a547ed598b8fec5f43a7914395d38a706d29b9c6e6b1fda30d02333870aa43709d7d97bd855acb25baba0e89bb5a57435c33719aaa5af5b2880646bc85e8e9
ripemd-160 dc2252c33815258e9a4328e898bd2702fc7cf674

20123947 as geometric shapes

Circle

Radius = n
Diameter 40247894
Circumference 126442488.11286
Area 1.2722609646657E+15

Sphere

Radius = n
Volume 3.4137216297468E+22
Surface area 5.0890438586627E+15
Circumference 126442488.11286

Square

Length = n
Perimeter 80495788
Area 404973242858809
Diagonal 28459558.775877

Cube

Length = n
Surface area 2429839457152854
Volume 8.1496600757088E+21
Space diagonal 34855698.652823

Equilateral Triangle

Length = n
Perimeter 60371841
Area 1.7535855808435E+14
Altitude 17427849.326412

Triangular Pyramid

Length = n
Surface area 1.7535855808435E+14
Volume 9.6044665064983E+20
Height 9486519.5919591