21282021 (number)

21282021 is an odd 8-digits composite number following 21282020 and preceding 21282022. In scientific notation, it is written as 2.1282021 × 10^7. The sum of its digits is 18. It has a total of 4 prime factors and 10 positive divisors. There are 14187960 positive integers (up to 21282021) that are relatively prime to 21282021.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1282021 × 10^7
Engineering notation 2.1282021 × 10^6

Prime Factorization of 21282021

Prime Factorization 3 × 3 × 9 × 262741

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 7094007
Product of the distinct prime numbers

The prime factorization of 21282021 is 3 × 3 × 9 × 262741. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21282021)

Multiplication

n×y
n×2 42564042
n×3 63846063
n×4 85128084
n×5 106410105

Division

n÷y
n÷2 10641010.5
n÷3 7094007
n÷3 5320505.25
n÷5 4256404.2

Exponentiation

ny
n2 452924417844441
n3 9.6391469719782E+21
n4 2.0514052827973E+29
n5 4.3658050308002E+36

Nth Root

y√n
2√n 4613.2440863236
3√n 277.12196881624
4√n 67.920866354336
5√n 29.214776854933

Divisors of 21282021

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 -21282020
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 21282021 can be divided by 10 positive divisors. The sum of these divisors (counting 21282021) is 1, the average is 0.1.

Base conversion 21282021

Base System Value
2 Binary 1010001001011110011100101
3 Ternary 1111001020110000
4 Quaternary 1101023303211
5 Quinary 20422011041
6 Senary 2040051513
8 Octal 121136345
10 Decimal 21282021
12 Duodecimal 7163b99
16 Hexadecimal 144bce5
20 Vigesimal 6d0511
36 Base36 co5b9

Cryptographic Hash Functions

md5 94cb49da61d1a26eb8300134b54e6346
sha1 d2061607e7fa3a32a0f9c791d66f294c32deb0a6
sha256 89a7ef7d3861e7553d89b965969fa216932f9439dddd6f7376514b383f2207f0
sha512 9e3323bc2138c8134971c4e372ea7382869ac8455113d176bb59bd932ea222e1dcc76715708f867a6ac97b4416c1a45a9e8a2b7971c5f2a3b68041210a6626ad
ripemd-160 a56ccc74b2e9e11df1d17dafbd8625a2f68aa942

21282021 as geometric shapes

Circle

Radius = n
Diameter 42564042
Circumference 133718881.65429
Area 1.4229040237315E+15

Sphere

Radius = n
Volume 4.0376364418719E+22
Surface area 5.6916160949261E+15
Circumference 133718881.65429

Square

Length = n
Perimeter 85128084
Area 452924417844441
Diagonal 30097322.732909

Cube

Length = n
Surface area 2717546507066646
Volume 9.6391469719782E+21
Space diagonal 36861541.659748

Equilateral Triangle

Length = n
Perimeter 63846063
Area 1.9612202592378E+14
Altitude 18430770.829874

Triangular Pyramid

Length = n
Surface area 1.9612202592378E+14
Volume 1.1359843647899E+21
Height 10032440.91097