21356687 (number)

21356687 is an odd 8-digits composite number following 21356686 and preceding 21356688. In scientific notation, it is written as 2.1356687 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 19415160 positive integers (up to 21356687) that are relatively prime to 21356687.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1356687 × 10^7
Engineering notation 2.1356687 × 10^6

Prime Factorization of 21356687

Prime Factorization 11 × 1941517

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21356687
Product of the distinct prime numbers

The prime factorization of 21356687 is 11 × 1941517. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21356687)

Multiplication

n×y
n×2 42713374
n×3 64070061
n×4 85426748
n×5 106783435

Division

n÷y
n÷2 10678343.5
n÷3 7118895.6666667
n÷3 5339171.75
n÷5 4271337.4

Exponentiation

ny
n2 456108079615969
n3 9.7409574945293E+21
n4 2.0803458029097E+29
n5 4.4429294164506E+36

Nth Root

y√n
2√n 4621.329570589
3√n 277.44567613401
4√n 67.980361653855
5√n 29.235247615021

Divisors of 21356687

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21356686
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21356687 can be divided by 4 positive divisors. The sum of these divisors (counting 21356687) is 1, the average is 0.25.

Base conversion 21356687

Base System Value
2 Binary 1010001011110000010001111
3 Ternary 1111012000212102
4 Quaternary 1101132002033
5 Quinary 20431403222
6 Senary 2041425315
8 Octal 121360217
10 Decimal 21356687
12 Duodecimal 719b23b
16 Hexadecimal 145e08f
20 Vigesimal 6d9be7
36 Base36 cpqxb

Cryptographic Hash Functions

md5 fefad8d87ffa4687acca257311d3b92c
sha1 3097bdfe3ee788cf3000f1147314c424bd301c7b
sha256 bbdc3e9255f7d0e754dca8738393d745ff9f89294280318b96708d9b88113e52
sha512 ee73ddd56a7ce898f8583c68506b584bd1c9e77fcf8fef744a2013d623c24f6610aebd216efbd3752311ae6c77b3daaa079010fd27492a1261f2c1eaa45472ea
ripemd-160 4c27fd295569b9725ff5deba560e31adf06c523d

21356687 as geometric shapes

Circle

Radius = n
Diameter 42713374
Circumference 134188021.96843
Area 1.4329057921645E+15

Sphere

Radius = n
Volume 4.0802827338325E+22
Surface area 5.7316231686579E+15
Circumference 134188021.96843

Square

Length = n
Perimeter 85426748
Area 456108079615969
Diagonal 30202916.402757

Cube

Length = n
Surface area 2736648477695814
Volume 9.7409574945293E+21
Space diagonal 36990866.965346

Equilateral Triangle

Length = n
Perimeter 64070061
Area 1.9750059190938E+14
Altitude 18495433.482673

Triangular Pyramid

Length = n
Surface area 1.9750059190938E+14
Volume 1.1479828499386E+21
Height 10067638.800919