21542486 (number)

21542486 is an even 8-digits composite number following 21542485 and preceding 21542487. In scientific notation, it is written as 2.1542486 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors. There are 9057984 positive integers (up to 21542486) that are relatively prime to 21542486.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred forty-two thousand four hundred eighty-six

Notation

Scientific notation 2.1542486 × 10^7
Engineering notation 2.1542486 × 10^6

Prime Factorization of 21542486

Prime Factorization 2 × 7 × 53 × 29033

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21542486
Product of the distinct prime numbers

The prime factorization of 21542486 is 2 × 7 × 53 × 29033. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 9, 10, 63, 197, 111, 7175, 6791, 83880, 28473, 74971, 536205, 6752512, 103691, 36383566, 1071397, 688991928, 38302630, 1824300742, 3188440797

Basic calculations (n = 21542486)

Multiplication

n×y
n×2 43084972
n×3 64627458
n×4 86169944
n×5 107712430

Division

n÷y
n÷2 10771243
n÷3 7180828.6666667
n÷3 5385621.5
n÷5 4308497.2

Exponentiation

ny
n2 464078703060196
n3 9.9974089635724E+21
n4 2.1536904263403E+29
n5 4.6395845857771E+36

Nth Root

y√n
2√n 4641.3883698738
3√n 278.24792850609
4√n 68.127735687265
5√n 29.285939703423

Divisors of 21542486

1, 2, 7, 14, 53, 106, 371, 742, 29033, 58066, 203231, 406462, 1538749, 3077498, 10771243, 21542486

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 -21542485
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 21542486 can be divided by 16 positive divisors. The sum of these divisors (counting 21542486) is 1, the average is 0.0625.

Base conversion 21542486

Base System Value
2 Binary 1010010001011011001010110
3 Ternary 1111112110201212
4 Quaternary 1102023121112
5 Quinary 21003324421
6 Senary 2045421422
8 Octal 122133126
10 Decimal 21542486
12 Duodecimal 726a872
16 Hexadecimal 148b656
20 Vigesimal 6ecg46
36 Base36 ctqae

Cryptographic Hash Functions

md5 3ca4e5134ee545759bd6a16d4ba65c63
sha1 bd9360af50ca3a9c7e1914abc8561881d12b1db1
sha256 84d93baba1d7e256ebade7811b0efa5f30a78d600c7b40b7f0d6782174c14c89
sha512 9a0058c63d3a18316e596f33b1b0ed25f44a5b30b998c46f0eb5b8fe6942482f3db02a81ec37f63aa9759fddd5a7715f5f0f09981ec12acc1ff11f5cf0c11e53
ripemd-160 0c5654659ef02edd53ee9d9c4925a6dc1903f30e

21542486 as geometric shapes

Circle

Radius = n
Diameter 43084972
Circumference 135355431.51532
Area 1.4579462442214E+15

Sphere

Radius = n
Volume 4.1877048739856E+22
Surface area 5.8317849768856E+15
Circumference 135355431.51532

Square

Length = n
Perimeter 86169944
Area 464078703060196
Diagonal 30465675.868433

Cube

Length = n
Surface area 2784472218361176
Volume 9.9974089635724E+21
Space diagonal 37312680.273341

Equilateral Triangle

Length = n
Perimeter 64627458
Area 2.0095197310273E+14
Altitude 18656340.136671

Triangular Pyramid

Length = n
Surface area 2.0095197310273E+14
Volume 1.1782059454062E+21
Height 10155225.289478