21581454 (number)

21581454 is an even 8-digits composite number following 21581453 and preceding 21581455. In scientific notation, it is written as 2.1581454 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 6815160 positive integers (up to 21581454) that are relatively prime to 21581454.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred eighty-one thousand four hundred fifty-four

Notation

Scientific notation 2.1581454 × 10^7
Engineering notation 2.1581454 × 10^6

Prime Factorization of 21581454

Prime Factorization 2 × 3 × 19 × 189311

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21581454
Product of the distinct prime numbers

The prime factorization of 21581454 is 2 × 3 × 19 × 189311. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 10, 57, 66, 365, 311, 5643, 544, 40375, 58979, 611104, 980032, 7527230, 5259493, 41217635, 73583349, 46174452, 205322903, 5302304293, 412620229

Basic calculations (n = 21581454)

Multiplication

n×y
n×2 43162908
n×3 64744362
n×4 86325816
n×5 107907270

Division

n÷y
n÷2 10790727
n÷3 7193818
n÷3 5395363.5
n÷5 4316290.8

Exponentiation

ny
n2 465759156754116
n3 1.0051759816568E+22
n4 2.1693159210031E+29
n5 4.6816991760595E+36

Nth Root

y√n
2√n 4645.5843550623
3√n 278.4156007987
4√n 68.158523715397
5√n 29.296527057739

Divisors of 21581454

1, 2, 3, 6, 19, 38, 57, 114, 189311, 378622, 567933, 1135866, 3596909, 7193818, 10790727, 21581454

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21581453
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21581454 can be divided by 16 positive divisors. The sum of these divisors (counting 21581454) is 1, the average is 0.0625.

Base conversion 21581454

Base System Value
2 Binary 1010010010100111010001110
3 Ternary 1111121110012010
4 Quaternary 1102110322032
5 Quinary 21011101304
6 Senary 2050322050
8 Octal 122247216
10 Decimal 21581454
12 Duodecimal 7289326
16 Hexadecimal 1494e8e
20 Vigesimal 6ehdce
36 Base36 cukcu

Cryptographic Hash Functions

md5 7d5b0adebc6c857e4ad404d80ff79c98
sha1 1582362b0fcb61474d6edc1e19f2e781b157062b
sha256 46ba34008ef55aef17501ce000c66f9a7eb57b608beaa22aaac13f142d4ca822
sha512 e0e85012715244a660f2012b7f042dcb65272f5ab265158a6dabeed024652b525252fd35783b40c224a3f8dfd8358f8b8c0081ffadd099f29aa4d189516080fe
ripemd-160 22de9d2a1fe7ea0be29bb66265f2206f5934b192

21581454 as geometric shapes

Circle

Radius = n
Diameter 43162908
Circumference 135600274.68037
Area 1.4632255452009E+15

Sphere

Radius = n
Volume 4.2104713060504E+22
Surface area 5.8529021808036E+15
Circumference 135600274.68037

Square

Length = n
Perimeter 86325816
Area 465759156754116
Diagonal 30520784.942531

Cube

Length = n
Surface area 2794554940524696
Volume 1.0051759816568E+22
Space diagonal 37380174.829211

Equilateral Triangle

Length = n
Perimeter 64744362
Area 2.0167963089714E+14
Altitude 18690087.414605

Triangular Pyramid

Length = n
Surface area 2.0167963089714E+14
Volume 1.1846112548589E+21
Height 10173594.980844