21542746 (number)

21542746 is an even 8-digits composite number following 21542745 and preceding 21542747. In scientific notation, it is written as 2.1542746 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 10771372 positive integers (up to 21542746) that are relatively prime to 21542746.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1542746 × 10^7
Engineering notation 2.1542746 × 10^6

Prime Factorization of 21542746

Prime Factorization 2 × 10771373

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21542746
Product of the distinct prime numbers

The prime factorization of 21542746 is 2 × 10771373. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21542746)

Multiplication

n×y
n×2 43085492
n×3 64628238
n×4 86170984
n×5 107713730

Division

n÷y
n÷2 10771373
n÷3 7180915.3333333
n÷3 5385686.5
n÷5 4308549.2

Exponentiation

ny
n2 464089905220516
n3 9.9977709493297E+21
n4 2.1537944012759E+29
n5 4.6398645722908E+36

Nth Root

y√n
2√n 4641.4163786499
3√n 278.24904790909
4√n 68.127941247699
5√n 29.286010394499

Divisors of 21542746

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21542745
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21542746 can be divided by 4 positive divisors. The sum of these divisors (counting 21542746) is 1, the average is 0.25.

Base conversion 21542746

Base System Value
2 Binary 1010010001011011101011010
3 Ternary 1111112111002111
4 Quaternary 1102023131122
5 Quinary 21003331441
6 Senary 2045422534
8 Octal 122133532
10 Decimal 21542746
12 Duodecimal 726aa4a
16 Hexadecimal 148b75a
20 Vigesimal 6ecgh6
36 Base36 ctqhm

Cryptographic Hash Functions

md5 9953f65a9d3bc272789b6e6c427598b1
sha1 56b810a030ad725ba5875232a9ee0503ff54c5c6
sha256 5322b637a0a4d15f8e7953bec2d164b5c4f7eb5f49f147b3f8a52069652977f9
sha512 717dbdf76b9e5ba37eab435e02e40dd0e960a2cfac45eb9471ae6139e59908988563669b4709df3009beb065fe179f7597c2bc3925373b60aea1bd5be2ab7627
ripemd-160 1343f38fe28ec88b0303b4d029716657850a6db2

21542746 as geometric shapes

Circle

Radius = n
Diameter 43085492
Circumference 135357065.1435
Area 1.457981436846E+15

Sphere

Radius = n
Volume 4.187856502225E+22
Surface area 5.8319257473838E+15
Circumference 135357065.1435

Square

Length = n
Perimeter 86170984
Area 464089905220516
Diagonal 30466043.563959

Cube

Length = n
Surface area 2784539431323096
Volume 9.9977709493297E+21
Space diagonal 37313130.606551

Equilateral Triangle

Length = n
Perimeter 64628238
Area 2.0095682378044E+14
Altitude 18656565.303276

Triangular Pyramid

Length = n
Surface area 2.0095682378044E+14
Volume 1.1782486058368E+21
Height 10155347.854653