20451288 (number)

20451288 is an even 8-digits composite number following 20451287 and preceding 20451289. In scientific notation, it is written as 2.0451288 × 10^7. The sum of its digits is 30. It has a total of 7 prime factors and 64 positive divisors. There are 5568000 positive integers (up to 20451288) that are relatively prime to 20451288.

Interesting facts

Basic properties

Name

Name twenty million four hundred fifty-one thousand two hundred eighty-eight

Notation

Scientific notation 2.0451288 × 10^7
Engineering notation 2.0451288 × 10^6

Prime Factorization of 20451288

Prime Factorization 2 × 2 × 2 × 3 × 143 × 59 × 101

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 5112822
Product of the distinct prime numbers

The prime factorization of 20451288 is 2 × 2 × 2 × 3 × 143 × 59 × 101. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20451288)

Multiplication

n×y
n×2 40902576
n×3 61353864
n×4 81805152
n×5 102256440

Division

n÷y
n÷2 10225644
n÷3 6817096
n÷3 5112822
n÷5 4090257.6

Exponentiation

ny
n2 418255180858944
n3 8.5538571612384E+21
n4 1.7493739631535E+29
n5 3.5776950740153E+36

Nth Root

y√n
2√n 4522.3100291776
3√n 273.46823534565
4√n 67.248122867316
5√n 28.983053127844

Divisors of 20451288

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20451287
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20451288 can be divided by 64 positive divisors. The sum of these divisors (counting 20451288) is 1, the average is 0.015625.

Base conversion 20451288

Base System Value
2 Binary 1001110000000111111011000
3 Ternary 1102111000220010
4 Quaternary 1032000333120
5 Quinary 20213420123
6 Senary 2010201520
8 Octal 116007730
10 Decimal 20451288
12 Duodecimal 6a232a0
16 Hexadecimal 1380fd8
20 Vigesimal 67g848
36 Base36 c6cbc

Cryptographic Hash Functions

md5 1cd0a11b91ac0ca8351905850460a0d2
sha1 36b9bb6257dee52b06eeb381c1423f575aaf96ea
sha256 b9e93017881ea8e5fb18b583240adc84391469aa21416a8fa335bf5dbc38204b
sha512 e394202da3a3aeb26fc953c7b9e471ff3159a58186304d50807e5102cd1b7ce2e102ca7ea5ce8b6311ff70a17876070c5cf14884aae86b7f4eaf88162ed5b467
ripemd-160 69ac26577c10dcae7fb741e9db034b88fc663bd9

20451288 as geometric shapes

Circle

Radius = n
Diameter 40902576
Circumference 128499232.2745
Area 1.3139874035123E+15

Sphere

Radius = n
Volume 3.5830313090137E+22
Surface area 5.2559496140493E+15
Circumference 128499232.2745

Square

Length = n
Perimeter 81805152
Area 418255180858944
Diagonal 28922488.857598

Cube

Length = n
Surface area 2509531085153664
Volume 8.5538571612384E+21
Space diagonal 35422669.896224

Equilateral Triangle

Length = n
Perimeter 61353864
Area 1.8110980594415E+14
Altitude 17711334.948112

Triangular Pyramid

Length = n
Surface area 1.8110980594415E+14
Volume 1.0080817340021E+21
Height 9640829.6191994