21242746 (number)

21242746 is an even 8-digits composite number following 21242745 and preceding 21242747. In scientific notation, it is written as 2.1242746 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 9104028 positive integers (up to 21242746) that are relatively prime to 21242746.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1242746 × 10^7
Engineering notation 2.1242746 × 10^6

Prime Factorization of 21242746

Prime Factorization 2 × 7 × 1517339

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21242746
Product of the distinct prime numbers

The prime factorization of 21242746 is 2 × 7 × 1517339. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21242746)

Multiplication

n×y
n×2 42485492
n×3 63728238
n×4 84970984
n×5 106213730

Division

n÷y
n÷2 10621373
n÷3 7080915.3333333
n÷3 5310686.5
n÷5 4248549.2

Exponentiation

ny
n2 451254257620516
n3 9.5858795760512E+21
n4 2.0363040502064E+29
n5 4.3256689717306E+36

Nth Root

y√n
2√n 4608.9853547175
3√n 276.95139185388
4√n 67.889508428898
5√n 29.20398597847

Divisors of 21242746

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 -21242745
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 21242746 can be divided by 8 positive divisors. The sum of these divisors (counting 21242746) is 1, the average is 0.125.

Base conversion 21242746

Base System Value
2 Binary 1010001000010001101111010
3 Ternary 1110222020120101
4 Quaternary 1101002031322
5 Quinary 20414231441
6 Senary 2035150014
8 Octal 121021572
10 Decimal 21242746
12 Duodecimal 714530a
16 Hexadecimal 144237a
20 Vigesimal 6cf6h6
36 Base36 cnb0a

Cryptographic Hash Functions

md5 02c45a572b060547d95e415b25bab335
sha1 823781968b6f49f929355e7bcae8fb008de80c16
sha256 da297c14a26e17b42cdcc26bc26403742294da586d9184f91e75b245bc49f83b
sha512 d53ab262aeef0a7521f973877c1cf7cac67c40864359d109bb2732088c135230d5c7a10ed8b38e4892192d1c6eca6669651ae4ed7d4d04338b4a1786436d37d2
ripemd-160 c3d54b07aed1d1996593e4ad71d7a2765329c6b9

21242746 as geometric shapes

Circle

Radius = n
Diameter 42485492
Circumference 133472109.55135
Area 1.4176570606417E+15

Sphere

Radius = n
Volume 4.0153238472425E+22
Surface area 5.6706282425669E+15
Circumference 133472109.55135

Square

Length = n
Perimeter 84970984
Area 451254257620516
Diagonal 30041779.495247

Cube

Length = n
Surface area 2707525545723096
Volume 9.5858795760512E+21
Space diagonal 36793515.364281

Equilateral Triangle

Length = n
Perimeter 63728238
Area 1.9539882533263E+14
Altitude 18396757.68214

Triangular Pyramid

Length = n
Surface area 1.9539882533263E+14
Volume 1.1297067419772E+21
Height 10013926.498416