21081429 (number)

21081429 is an odd 8-digits composite number following 21081428 and preceding 21081430. In scientific notation, it is written as 2.1081429 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 6 positive divisors. There are 14054280 positive integers (up to 21081429) that are relatively prime to 21081429.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1081429 × 10^7
Engineering notation 2.1081429 × 10^6

Prime Factorization of 21081429

Prime Factorization 3 × 3 × 2342381

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 7027143
Product of the distinct prime numbers

The prime factorization of 21081429 is 3 × 3 × 2342381. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21081429)

Multiplication

n×y
n×2 42162858
n×3 63244287
n×4 84325716
n×5 105407145

Division

n÷y
n÷2 10540714.5
n÷3 7027143
n÷3 5270357.25
n÷5 4216285.8

Exponentiation

ny
n2 444426648682041
n3 9.3691488398984E+21
n4 1.9751504605875E+29
n5 4.1638994199193E+36

Nth Root

y√n
2√n 4591.4517312066
3√n 276.24855523633
4√n 67.760251853182
5√n 29.159495728883

Divisors of 21081429

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21081428
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21081429 can be divided by 6 positive divisors. The sum of these divisors (counting 21081429) is 1, the average is 0.16666666666667.

Base conversion 21081429

Base System Value
2 Binary 1010000011010110101010101
3 Ternary 1110200001021200
4 Quaternary 1100122311111
5 Quinary 20344101204
6 Senary 2031503113
8 Octal 120326525
10 Decimal 21081429
12 Duodecimal 7087a99
16 Hexadecimal 141ad55
20 Vigesimal 6bf3b9
36 Base36 cjuj9

Cryptographic Hash Functions

md5 ea32bb7e03e37d8601490e87c86db487
sha1 4e89826b0ae20f2fcd2281b85e70dbab5cbb1594
sha256 f533d11e838951466f58d5d961f85ef0f85a9819ccd4b016e269e4d301505060
sha512 4ae736d7114df9148deec62370ce6116543b914f5a735299b0d2952ea16b663a0f13960c8010cdbbacf8d75689b921a337081a132d8bd9989b29564159c0c15e
ripemd-160 a65a95912daae2eaea4b2c7d1b3f8ef8de65505e

21081429 as geometric shapes

Circle

Radius = n
Diameter 42162858
Circumference 132458524.94715
Area 1.396207494559E+15

Sphere

Radius = n
Volume 3.9245398887752E+22
Surface area 5.5848299782361E+15
Circumference 132458524.94715

Square

Length = n
Perimeter 84325716
Area 444426648682041
Diagonal 29813642.806005

Cube

Length = n
Surface area 2666559892092246
Volume 9.3691488398984E+21
Space diagonal 36514106.124156

Equilateral Triangle

Length = n
Perimeter 63244287
Area 1.9244238393871E+14
Altitude 18257053.062078

Triangular Pyramid

Length = n
Surface area 1.9244238393871E+14
Volume 1.104164779773E+21
Height 9937880.9353352