20402643 (number)

20402643 is an odd 8-digits composite number following 20402642 and preceding 20402644. In scientific notation, it is written as 2.0402643 × 10^7. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 13586400 positive integers (up to 20402643) that are relatively prime to 20402643.

Interesting facts

Basic properties

Name

Name twenty million four hundred two thousand six hundred forty-three

Notation

Scientific notation 2.0402643 × 10^7
Engineering notation 2.0402643 × 10^6

Prime Factorization of 20402643

Prime Factorization 3 × 1021 × 6661

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20402643
Product of the distinct prime numbers

The prime factorization of 20402643 is 3 × 1021 × 6661. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20402643)

Multiplication

n×y
n×2 40805286
n×3 61207929
n×4 81610572
n×5 102013215

Division

n÷y
n÷2 10201321.5
n÷3 6800881
n÷3 5100660.75
n÷5 4080528.6

Exponentiation

ny
n2 416267841385449
n3 8.4929641601679E+21
n4 1.732789157717E+29
n5 3.5353478579171E+36

Nth Root

y√n
2√n 4516.9284917962
3√n 273.25124129341
4√n 67.208098409315
5√n 28.969252295917

Divisors of 20402643

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 -20402642
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 20402643 can be divided by 8 positive divisors. The sum of these divisors (counting 20402643) is 1, the average is 0.125.

Base conversion 20402643

Base System Value
2 Binary 1001101110101000111010011
3 Ternary 1102101120011110
4 Quaternary 1031311013103
5 Quinary 20210341033
6 Senary 2005144403
8 Octal 115650723
10 Decimal 20402643
12 Duodecimal 69bb103
16 Hexadecimal 13751d3
20 Vigesimal 67a6c3
36 Base36 c5as3

Cryptographic Hash Functions

md5 d77adff292f5435bd3291c53210c8ed0
sha1 93fa84d3f9d9f7dd61f7548a28a1834978a3c3cf
sha256 ea4cae2d08794fff2d7baa9b9e4972ca5751cbaf316bc56ddc468e8c627ee391
sha512 686fe3b80916dc3b67a541392db07171f09195b2ca6b3b59484dc0ac81806c738bc7ef01a8e44438c4812156c52c91a6c292c8bc8dfc96e214ebd118d267cacb
ripemd-160 11e55f5d8cb4ebaa6b0b1fcc04d076d872a7dcc4

20402643 as geometric shapes

Circle

Radius = n
Diameter 40805286
Circumference 128193586.72523
Area 1.3077439924222E+15

Sphere

Radius = n
Volume 3.5575245083713E+22
Surface area 5.2309759696888E+15
Circumference 128193586.72523

Square

Length = n
Perimeter 81610572
Area 416267841385449
Diagonal 28853694.438856

Cube

Length = n
Surface area 2497607048312694
Volume 8.4929641601679E+21
Space diagonal 35338414.28469

Equilateral Triangle

Length = n
Perimeter 61207929
Area 1.8024926270916E+14
Altitude 17669207.142345

Triangular Pyramid

Length = n
Surface area 1.8024926270916E+14
Volume 1.0009054250048E+21
Height 9617898.1462855