21356788 (number)

21356788 is an even 8-digits composite number following 21356787 and preceding 21356789. In scientific notation, it is written as 2.1356788 × 10^7. The sum of its digits is 40. It has a total of 5 prime factors and 18 positive divisors. There are 10213104 positive integers (up to 21356788) that are relatively prime to 21356788.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred fifty-six thousand seven hundred eighty-eight

Notation

Scientific notation 2.1356788 × 10^7
Engineering notation 2.1356788 × 10^6

Prime Factorization of 21356788

Prime Factorization 2 × 2 × 23 × 23 × 10093

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 464278
Product of the distinct prime numbers

The prime factorization of 21356788 is 2 × 2 × 23 × 23 × 10093. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 5, 18, 76, 728, 722, 4568, 7385, 87485, 49752, 414216, 826551, 3967467, 2191860, 38392965, 74532396, 470836293, 695415419, 7943136598, 5720517339

Basic calculations (n = 21356788)

Multiplication

n×y
n×2 42713576
n×3 64070364
n×4 85427152
n×5 106783940

Division

n÷y
n÷2 10678394
n÷3 7118929.3333333
n÷3 5339197
n÷5 4271357.6

Exponentiation

ny
n2 456112393676944
n3 9.741095695931E+21
n4 2.0803851566571E+29
n5 4.4430344749073E+36

Nth Root

y√n
2√n 4621.3404981672
3√n 277.44611349849
4√n 67.980442026859
5√n 29.235275266823

Divisors of 21356788

1, 2, 4, 23, 46, 92, 529, 1058, 2116, 10093, 20186, 40372, 232139, 464278, 928556, 5339197, 10678394, 21356788

18 divisors

τ Total Divisors 18
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21356787
Sum of the proper positive divisors of n
A Arithmetic Mean 0.055555555555556
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 18
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21356788 can be divided by 18 positive divisors. The sum of these divisors (counting 21356788) is 1, the average is 0.055555555555556.

Base conversion 21356788

Base System Value
2 Binary 1010001011110000011110100
3 Ternary 1111012001000011
4 Quaternary 1101132003310
5 Quinary 20431404123
6 Senary 2041430004
8 Octal 121360364
10 Decimal 21356788
12 Duodecimal 719b304
16 Hexadecimal 145e0f4
20 Vigesimal 6d9bj8
36 Base36 cpr04

Cryptographic Hash Functions

md5 dacfe89dee0542a415b94c1147043e50
sha1 17dc30bf1d90f9975964d237dab45704174bdc6e
sha256 c8dc8a0b7b2101ee319da106a343d47dbd2b4ee94142c32a14e3a8fa3de8b94b
sha512 c0b29127aca1f7bd016f6aabd50e6ae9b3f97dd3ba2c92163dba4bf1797382ad1a7583fd2f05fb411299b0f8f42de5f18b9b8ca817297b53b099f2ce8d47700b
ripemd-160 11a62fcfb5bfe9431fc744e7ad7a4fcc223e2c24

21356788 as geometric shapes

Circle

Radius = n
Diameter 42713576
Circumference 134188656.57015
Area 1.4329193451867E+15

Sphere

Radius = n
Volume 4.0803406235003E+22
Surface area 5.731677380747E+15
Circumference 134188656.57015

Square

Length = n
Perimeter 85427152
Area 456112393676944
Diagonal 30203059.238327

Cube

Length = n
Surface area 2736674362061664
Volume 9.741095695931E+21
Space diagonal 36991041.902477

Equilateral Triangle

Length = n
Perimeter 64070364
Area 1.9750245995258E+14
Altitude 18495520.951239

Triangular Pyramid

Length = n
Surface area 1.9750245995258E+14
Volume 1.14799913713E+21
Height 10067686.412776