21081392 (number)

21081392 is an even 8-digits composite number following 21081391 and preceding 21081393. In scientific notation, it is written as 2.1081392 × 10^7. The sum of its digits is 26. It has a total of 5 prime factors and 10 positive divisors. There are 10540688 positive integers (up to 21081392) that are relatively prime to 21081392.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-one thousand three hundred ninety-two

Notation

Scientific notation 2.1081392 × 10^7
Engineering notation 2.1081392 × 10^6

Prime Factorization of 21081392

Prime Factorization 2 × 2 × 2 × 2 × 1317587

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 2635174
Product of the distinct prime numbers

The prime factorization of 21081392 is 2 × 2 × 2 × 2 × 1317587. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21081392)

Multiplication

n×y
n×2 42162784
n×3 63244176
n×4 84325568
n×5 105406960

Division

n÷y
n÷2 10540696
n÷3 7027130.6666667
n÷3 5270348
n÷5 4216278.4

Exponentiation

ny
n2 444425088657664
n3 9.369099508627E+21
n4 1.9751365942837E+29
n5 4.163862879764E+36

Nth Root

y√n
2√n 4591.4477019781
3√n 276.24839362169
4√n 67.76022212167
5√n 29.159485493314

Divisors of 21081392

10 divisors

τ Total Divisors 10
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21081391
Sum of the proper positive divisors of n
A Arithmetic Mean 0.1
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 10
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21081392 can be divided by 10 positive divisors. The sum of these divisors (counting 21081392) is 1, the average is 0.1.

Base conversion 21081392

Base System Value
2 Binary 1010000011010110100110000
3 Ternary 1110200001020022
4 Quaternary 1100122310300
5 Quinary 20344101032
6 Senary 2031503012
8 Octal 120326460
10 Decimal 21081392
12 Duodecimal 7087a68
16 Hexadecimal 141ad30
20 Vigesimal 6bf39c
36 Base36 cjui8

Cryptographic Hash Functions

md5 dd16099ea1d7072fa35d03ffa9d3681a
sha1 2dd3400ee33464acb25fd08ec9c6a9f321ab0f5d
sha256 ef97928f22c08b164b3ba67addb64f62c932bef499a0b241bff4d1faccb0a230
sha512 f9a2dd4a548ac84404b29813adb63e720d91f873922eb4fd7cb18e6a40402aca9061e32e687e4096b15f0f29108bf2d5d02abc28c66c23aad7b9514271e374fe
ripemd-160 1f2b70a9c3b6b07aae393a0bb140d28417df6114

21081392 as geometric shapes

Circle

Radius = n
Diameter 42162784
Circumference 132458292.46929
Area 1.3962025935979E+15

Sphere

Radius = n
Volume 3.9245192249406E+22
Surface area 5.5848103743916E+15
Circumference 132458292.46929

Square

Length = n
Perimeter 84325568
Area 444425088657664
Diagonal 29813590.480104

Cube

Length = n
Surface area 2666550531945984
Volume 9.369099508627E+21
Space diagonal 36514042.038276

Equilateral Triangle

Length = n
Perimeter 63244176
Area 1.9244170842834E+14
Altitude 18257021.019138

Triangular Pyramid

Length = n
Surface area 1.9244170842834E+14
Volume 1.1041589660269E+21
Height 9937863.4933679