21542284 (number)

21542284 is an even 8-digits composite number following 21542283 and preceding 21542285. In scientific notation, it is written as 2.1542284 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors. There are 10702224 positive integers (up to 21542284) that are relatively prime to 21542284.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1542284 × 10^7
Engineering notation 2.1542284 × 10^6

Prime Factorization of 21542284

Prime Factorization 2 × 2 × 157 × 34303

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10771142
Product of the distinct prime numbers

The prime factorization of 21542284 is 2 × 2 × 157 × 34303. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21542284)

Multiplication

n×y
n×2 43084568
n×3 64626852
n×4 86169136
n×5 107711420

Division

n÷y
n÷2 10771142
n÷3 7180761.3333333
n÷3 5385571
n÷5 4308456.8

Exponentiation

ny
n2 464069999936656
n3 9.9971277345154E+21
n4 2.1536096484121E+29
n5 4.6393670671233E+36

Nth Root

y√n
2√n 4641.3666090926
3√n 278.24705880985
4√n 68.127575981335
5√n 29.285884781424

Divisors of 21542284

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21542283
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21542284 can be divided by 12 positive divisors. The sum of these divisors (counting 21542284) is 1, the average is 0.083333333333333.

Base conversion 21542284

Base System Value
2 Binary 1010010001011010110001100
3 Ternary 1111112110110101
4 Quaternary 1102023112030
5 Quinary 21003323114
6 Senary 2045420444
8 Octal 122132614
10 Decimal 21542284
12 Duodecimal 726a724
16 Hexadecimal 148b58c
20 Vigesimal 6ecfe4
36 Base36 ctq4s

Cryptographic Hash Functions

md5 7bde1d6f3d887ebbf36ea0cb882633d1
sha1 66ce85027b37ad748d60ca0062a55f4c589876b1
sha256 8015f5e1d99eff0c45c9a981e2f68cfaad0265dda7dd40db8bd623823e68704d
sha512 2e0065543f42f55ad9d5d1f035efa7fc88a5b7b30bf97dcfa3c6c552f5421e907e7346f5199e168bf8fb9306acb37044d9816722c2f5cbd37a86ddb19a2968e5
ripemd-160 796e4c9820559a6f2127b7a0c1acb6ba7138af90

21542284 as geometric shapes

Circle

Radius = n
Diameter 43084568
Circumference 135354162.31189
Area 1.4579189025524E+15

Sphere

Radius = n
Volume 4.1875870730337E+22
Surface area 5.8316756102097E+15
Circumference 135354162.31189

Square

Length = n
Perimeter 86169136
Area 464069999936656
Diagonal 30465390.197293

Cube

Length = n
Surface area 2784419999619936
Volume 9.9971277345154E+21
Space diagonal 37312330.399078

Equilateral Triangle

Length = n
Perimeter 64626852
Area 2.0094820453969E+14
Altitude 18656165.199539

Triangular Pyramid

Length = n
Surface area 2.0094820453969E+14
Volume 1.178172802244E+21
Height 10155130.065764