21521256 (number)

21521256 is an even 8-digits composite number following 21521255 and preceding 21521257. In scientific notation, it is written as 2.1521256 × 10^7. The sum of its digits is 24. It has a total of 5 prime factors and 16 positive divisors. There are 7173744 positive integers (up to 21521256) that are relatively prime to 21521256.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred twenty-one thousand two hundred fifty-six

Notation

Scientific notation 2.1521256 × 10^7
Engineering notation 2.1521256 × 10^6

Prime Factorization of 21521256

Prime Factorization 2 × 2 × 2 × 3 × 896719

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5380314
Product of the distinct prime numbers

The prime factorization of 21521256 is 2 × 2 × 2 × 3 × 896719. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 5, 4, 90, 317, 432, 8461, 5903, 55525, 7415, 223075, 120390, 5705226, 4488793, 98732405, 58902725, 185491279, 871797582, 1822083012, 6211197276

Basic calculations (n = 21521256)

Multiplication

n×y
n×2 43042512
n×3 64563768
n×4 86085024
n×5 107606280

Division

n÷y
n÷2 10760628
n÷3 7173752
n÷3 5380314
n÷5 4304251.2

Exponentiation

ny
n2 463164459817536
n3 9.9678809098349E+21
n4 2.1452131683807E+29
n5 4.6167681771292E+36

Nth Root

y√n
2√n 4639.1007749347
3√n 278.15649453555
4√n 68.110944604628
5√n 29.280165200577

Divisors of 21521256

1, 2, 3, 4, 6, 8, 12, 24, 896719, 1793438, 2690157, 3586876, 5380314, 7173752, 10760628, 21521256

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 -21521255
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 21521256 can be divided by 16 positive divisors. The sum of these divisors (counting 21521256) is 1, the average is 0.0625.

Base conversion 21521256

Base System Value
2 Binary 1010010000110001101101000
3 Ternary 1111111101121120
4 Quaternary 1102012031220
5 Quinary 21002140011
6 Senary 2045135240
8 Octal 122061550
10 Decimal 21521256
12 Duodecimal 725a520
16 Hexadecimal 1486368
20 Vigesimal 6ea32g
36 Base36 ct9wo

Cryptographic Hash Functions

md5 6b80bde516b7e2b09d30e8415aeed6cb
sha1 f7ae372a8951644766c941ec5cd91340fb302600
sha256 145981958825a33d190c1cc41be6fb19252868ae6cc6f0f77deae0e4c8c79de5
sha512 8d78763dced55f457ed74f0fa7273cd716247056af115e0b7f9c64f77f37508ab672b8c55b8579c5cf2780bbaf58bc80f4694e4a49bf5c5e1a063c798dbbc1dd
ripemd-160 72673e390393f45091f3d41e42dd014c2b2f9450

21521256 as geometric shapes

Circle

Radius = n
Diameter 43042512
Circumference 135222039.49125
Area 1.4550740643667E+15

Sphere

Radius = n
Volume 4.1753361917594E+22
Surface area 5.8202962574666E+15
Circumference 135222039.49125

Square

Length = n
Perimeter 86085024
Area 463164459817536
Diagonal 30435652.114503

Cube

Length = n
Surface area 2778986758905216
Volume 9.9678809098349E+21
Space diagonal 37275908.834697

Equilateral Triangle

Length = n
Perimeter 64563768
Area 2.0055609416604E+14
Altitude 18637954.417348

Triangular Pyramid

Length = n
Surface area 2.0055609416604E+14
Volume 1.1747260309007E+21
Height 10145217.371501