21461531 (number)

21461531 is an odd 8-digits composite number following 21461530 and preceding 21461532. In scientific notation, it is written as 2.1461531 × 10^7. The sum of its digits is 23. It has a total of 4 prime factors and 16 positive divisors. There are 15980544 positive integers (up to 21461531) that are relatively prime to 21461531.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred sixty-one thousand five hundred thirty-one

Notation

Scientific notation 2.1461531 × 10^7
Engineering notation 2.1461531 × 10^6

Prime Factorization of 21461531

Prime Factorization 7 × 13 × 17 × 13873

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21461531
Product of the distinct prime numbers

The prime factorization of 21461531 is 7 × 13 × 17 × 13873. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 9, 23, 15, 750, 115, 2389, 6963, 23853, 71720, 915648, 583806, 4547001, 4903076, 18981790, 76514485, 102833307, 577283891, 7161557252, 3065983264

Basic calculations (n = 21461531)

Multiplication

n×y
n×2 42923062
n×3 64384593
n×4 85846124
n×5 107307655

Division

n÷y
n÷2 10730765.5
n÷3 7153843.6666667
n÷3 5365382.75
n÷5 4292306.2

Exponentiation

ny
n2 460597312863961
n3 9.8851235085466E+21
n4 2.121498846175E+29
n5 4.5530613253649E+36

Nth Root

y√n
2√n 4632.6591715774
3√n 277.89894624303
4√n 68.063640598908
5√n 29.263895682286

Divisors of 21461531

1, 7, 13, 17, 91, 119, 221, 1547, 13873, 97111, 180349, 235841, 1262443, 1650887, 3065933, 21461531

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 -21461530
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 21461531 can be divided by 16 positive divisors. The sum of these divisors (counting 21461531) is 1, the average is 0.0625.

Base conversion 21461531

Base System Value
2 Binary 1010001110111101000011011
3 Ternary 1111101100200112
4 Quaternary 1101313220123
5 Quinary 20443232111
6 Senary 2043554535
8 Octal 121675033
10 Decimal 21461531
12 Duodecimal 722ba4b
16 Hexadecimal 1477a1b
20 Vigesimal 6e2dgb
36 Base36 crztn

Cryptographic Hash Functions

md5 bf9b7c773c9424630a4bb2505df5bed8
sha1 68dd5835b6f7682b1374dd4a3b6053c8ddd3ebc0
sha256 2b60707b291416aa635cd91d6399d4e9d56b8fdb2a25facab11b8c2eed395df2
sha512 e63c3c7ed9d594ca8d7d1ba0c4564a3c14e389e3f0a0ed0371587f8d0100cf09c1fd0824b1662a6720b2d411bfe1470018de61b9c0b15d4070a291cf2529b9c3
ripemd-160 f6dd3047d787be6f6b97c3cb360978679e2783c9

21461531 as geometric shapes

Circle

Radius = n
Diameter 42923062
Circumference 134846776.24878
Area 1.4470091343566E+15

Sphere

Radius = n
Volume 4.1406708525704E+22
Surface area 5.7880365374265E+15
Circumference 134846776.24878

Square

Length = n
Perimeter 85846124
Area 460597312863961
Diagonal 30351188.209491

Cube

Length = n
Surface area 2763583877183766
Volume 9.8851235085466E+21
Space diagonal 37172462.100214

Equilateral Triangle

Length = n
Perimeter 64384593
Area 1.9944448692752E+14
Altitude 18586231.050107

Triangular Pyramid

Length = n
Surface area 1.9944448692752E+14
Volume 1.1649729776266E+21
Height 10117062.736497