21742281 (number)

21742281 is an odd 8-digits composite number following 21742280 and preceding 21742282. In scientific notation, it is written as 2.1742281 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 13177080 positive integers (up to 21742281) that are relatively prime to 21742281.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1742281 × 10^7
Engineering notation 2.1742281 × 10^6

Prime Factorization of 21742281

Prime Factorization 9 × 11 × 219619

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21742281
Product of the distinct prime numbers

The prime factorization of 21742281 is 9 × 11 × 219619. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21742281)

Multiplication

n×y
n×2 43484562
n×3 65226843
n×4 86969124
n×5 108711405

Division

n÷y
n÷2 10871140.5
n÷3 7247427
n÷3 5435570.25
n÷5 4348456.2

Exponentiation

ny
n2 472726783082961
n3 1.0278158554016E+22
n4 2.2347061144396E+29
n5 4.8587608292565E+36

Nth Root

y√n
2√n 4662.8618894409
3√n 279.105482911
4√n 68.285151310082
5√n 29.340061569364

Divisors of 21742281

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21742280
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21742281 can be divided by 8 positive divisors. The sum of these divisors (counting 21742281) is 1, the average is 0.125.

Base conversion 21742281

Base System Value
2 Binary 1010010111100001011001001
3 Ternary 1111220121210200
4 Quaternary 1102330023021
5 Quinary 21031223111
6 Senary 2054002413
8 Octal 122741311
10 Decimal 21742281
12 Duodecimal 7346409
16 Hexadecimal 14bc2c9
20 Vigesimal 6fhfe1
36 Base36 cy0g9

Cryptographic Hash Functions

md5 4e144a4eb3b88c4f311cc22dfe427aef
sha1 00686fcc18f379ab1ba5003d7e05d65738bad4b8
sha256 eed12afec1d9e1ec76cb237a3357ecfb344d2e5e4bfa4f8d81ade54a22335a6d
sha512 a2c02857229ffeca9e6e52fabe9896a70b94702d3114a3149be4098065b50d4f5d936e4d19a277695b2c74e4de04681608b959a926e5ee5a333457b360431e10
ripemd-160 819c0a72033937f651719196b8bbda3bea18f648

21742281 as geometric shapes

Circle

Radius = n
Diameter 43484562
Circumference 136610780.52377
Area 1.4851149888886E+15

Sphere

Radius = n
Volume 4.3053049874303E+22
Surface area 5.9404599555543E+15
Circumference 136610780.52377

Square

Length = n
Perimeter 86969124
Area 472726783082961
Diagonal 30748228.667127

Cube

Length = n
Surface area 2836360698497766
Volume 1.0278158554016E+22
Space diagonal 37658735.364439

Equilateral Triangle

Length = n
Perimeter 65226843
Area 2.0469670159957E+14
Altitude 18829367.68222

Triangular Pyramid

Length = n
Surface area 2.0469670159957E+14
Volume 1.2112926019425E+21
Height 10249409.555709