20451290 (number)

20451290 is an even 8-digits composite number following 20451289 and preceding 20451291. In scientific notation, it is written as 2.0451290 × 10^7. The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors. There are 8180512 positive integers (up to 20451290) that are relatively prime to 20451290.

Interesting facts

Basic properties

Name

Name twenty million four hundred fifty-one thousand two hundred ninety

Notation

Scientific notation 2.0451290 × 10^7
Engineering notation 2.0451290 × 10^6

Prime Factorization of 20451290

Prime Factorization 2 × 5 × 2045129

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20451290
Product of the distinct prime numbers

The prime factorization of 20451290 is 2 × 5 × 2045129. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20451290)

Multiplication

n×y
n×2 40902580
n×3 61353870
n×4 81805160
n×5 102256450

Division

n÷y
n÷2 10225645
n÷3 6817096.6666667
n÷3 5112822.5
n÷5 4090258

Exponentiation

ny
n2 418255262664100
n3 8.5538596707697E+21
n4 1.7493746474622E+29
n5 3.5776968233896E+36

Nth Root

y√n
2√n 4522.3102503035
3√n 273.46824426011
4√n 67.24812451142
5√n 28.983053694714

Divisors of 20451290

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 -20451289
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 20451290 can be divided by 8 positive divisors. The sum of these divisors (counting 20451290) is 1, the average is 0.125.

Base conversion 20451290

Base System Value
2 Binary 1001110000000111111011010
3 Ternary 1102111000220012
4 Quaternary 1032000333122
5 Quinary 20213420130
6 Senary 2010201522
8 Octal 116007732
10 Decimal 20451290
12 Duodecimal 6a232a2
16 Hexadecimal 1380fda
20 Vigesimal 67g84a
36 Base36 c6cbe

Cryptographic Hash Functions

md5 9a36c169ed37096f91bf5dbd2b030085
sha1 c950227fb95e5e6e9672e1b4924e574845b3c0af
sha256 953c9cd6cfc14a9f6070cb4527a4653d31ba81f99859be90129ba77a4435ca35
sha512 90a11d69ae7fbc41826d2e6af4d8d27569446742c2202599a68b3792de5549c2d1e27a43ed16978ea4a3038b3bee9781eb0615deff16e01654cf0c42914afd26
ripemd-160 87318d3af70373a3f9b5b4e45b001ae550774c8b

20451290 as geometric shapes

Circle

Radius = n
Diameter 40902580
Circumference 128499244.84087
Area 1.3139876605108E+15

Sphere

Radius = n
Volume 3.5830323602037E+22
Surface area 5.2559506420432E+15
Circumference 128499244.84087

Square

Length = n
Perimeter 81805160
Area 418255262664100
Diagonal 28922491.686025

Cube

Length = n
Surface area 2509531575984600
Volume 8.5538596707697E+21
Space diagonal 35422673.360325

Equilateral Triangle

Length = n
Perimeter 61353870
Area 1.8110984136682E+14
Altitude 17711336.680163

Triangular Pyramid

Length = n
Surface area 1.8110984136682E+14
Volume 1.0080820297532E+21
Height 9640830.5620084