21489215 (number)

21489215 is an odd 8-digits composite number following 21489214 and preceding 21489216. In scientific notation, it is written as 2.1489215 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors. There are 15405600 positive integers (up to 21489215) that are relatively prime to 21489215.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred eighty-nine thousand two hundred fifteen

Notation

Scientific notation 2.1489215 × 10^7
Engineering notation 2.1489215 × 10^6

Prime Factorization of 21489215

Prime Factorization 5 × 71 × 11 × 5503

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21489215
Product of the distinct prime numbers

The prime factorization of 21489215 is 5 × 71 × 11 × 5503. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 5, 83, 74, 482, 724, 323, 4578, 5803, 13246, 670861, 522603, 6450167, 8184259, 70151503, 6848883, 480552889, 849168491, 1783816802, 8430475642

Basic calculations (n = 21489215)

Multiplication

n×y
n×2 42978430
n×3 64467645
n×4 85956860
n×5 107446075

Division

n÷y
n÷2 10744607.5
n÷3 7163071.6666667
n÷3 5372303.75
n÷5 4297843

Exponentiation

ny
n2 461786361316225
n3 9.923426402392E+21
n4 2.1324664349768E+29
n5 4.58250297015E+36

Nth Root

y√n
2√n 4635.6461254069
3√n 278.01838551351
4√n 68.085579423303
5√n 29.271441499953

Divisors of 21489215

1, 5, 11, 55, 71, 355, 781, 3905, 5503, 27515, 60533, 302665, 390713, 1953565, 4297843, 21489215

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 -21489214
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 21489215 can be divided by 16 positive divisors. The sum of these divisors (counting 21489215) is 1, the average is 0.0625.

Base conversion 21489215

Base System Value
2 Binary 1010001111110011000111111
3 Ternary 1111102202122212
4 Quaternary 1101332120333
5 Quinary 21000123330
6 Senary 2044331035
8 Octal 121763077
10 Decimal 21489215
12 Duodecimal 7243a7b
16 Hexadecimal 147e63f
20 Vigesimal 6e630f
36 Base36 csl6n

Cryptographic Hash Functions

md5 6185c769151caccd5dae9405bc8b48a6
sha1 9dc81fd2af5f0685cd8553aff743db6f443182ce
sha256 65c39c1499b5c2687fed92e659ab44459b55aee88a7fed1abbafe3b824cb3a2b
sha512 354a3ab643bef3abfc491a05bc6239caf6a1864d5876cfdaa8fba12b937e810f379ed47bae0ea3cd514132f6d94cee5e3bcf8eab3d13c9cb519b3c9bf9e9cd7a
ripemd-160 04b7f9a888617eb8c2aad21286a042f45b39fd9d

21489215 as geometric shapes

Circle

Radius = n
Diameter 42978430
Circumference 135020719.95082
Area 1.450744640239E+15

Sphere

Radius = n
Volume 4.1567151312258E+22
Surface area 5.8029785609561E+15
Circumference 135020719.95082

Square

Length = n
Perimeter 85956860
Area 461786361316225
Diagonal 30390339.297751

Cube

Length = n
Surface area 2770718167897350
Volume 9.923426402392E+21
Space diagonal 37220412.194771

Equilateral Triangle

Length = n
Perimeter 64467645
Area 1.9995936001052E+14
Altitude 18610206.097386

Triangular Pyramid

Length = n
Surface area 1.9995936001052E+14
Volume 1.1694870169562E+21
Height 10130113.09925