21542705 (number)

21542705 is an odd 8-digits composite number following 21542704 and preceding 21542706. In scientific notation, it is written as 2.1542705 × 10^7. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 17234160 positive integers (up to 21542705) that are relatively prime to 21542705.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1542705 × 10^7
Engineering notation 2.1542705 × 10^6

Prime Factorization of 21542705

Prime Factorization 5 × 4308541

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21542705
Product of the distinct prime numbers

The prime factorization of 21542705 is 5 × 4308541. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21542705)

Multiplication

n×y
n×2 43085410
n×3 64628115
n×4 86170820
n×5 107713525

Division

n÷y
n÷2 10771352.5
n÷3 7180901.6666667
n÷3 5385676.25
n÷5 4308541

Exponentiation

ny
n2 464088138717025
n3 9.9977138663799E+21
n4 2.1537780049783E+29
n5 4.6398204196737E+36

Nth Root

y√n
2√n 4641.4119618926
3√n 278.24887138845
4√n 68.127908832523
5√n 29.285999247106

Divisors of 21542705

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 -21542704
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 21542705 can be divided by 4 positive divisors. The sum of these divisors (counting 21542705) is 1, the average is 0.25.

Base conversion 21542705

Base System Value
2 Binary 1010010001011011100110001
3 Ternary 1111112111000222
4 Quaternary 1102023130301
5 Quinary 21003331310
6 Senary 2045422425
8 Octal 122133461
10 Decimal 21542705
12 Duodecimal 726aa15
16 Hexadecimal 148b731
20 Vigesimal 6ecgf5
36 Base36 ctqgh

Cryptographic Hash Functions

md5 9817ad611d7bf52f050ad0dc0e0b6c3b
sha1 11c18a7e3238705567a723f4148dc750bba9f260
sha256 dbb3606b9917d1448d6c9bee127c4662cc8b94bd5cfdde526b959bb3d651ca20
sha512 271e8e8b7f8da70b1dbae8211796e7d6c4b8f93afbaf29980a44dc1487c7f32ece31fa8279e746d5c8b2dc9e1ff260f7d926f1c566de7d246b4faaf84b64653c
ripemd-160 bf5c3081b979e1f7023cbf4f7879eea6133a13e8

21542705 as geometric shapes

Circle

Radius = n
Diameter 43085410
Circumference 135356807.5329
Area 1.4579758872116E+15

Sphere

Radius = n
Volume 4.1878325913749E+22
Surface area 5.8319035488463E+15
Circumference 135356807.5329

Square

Length = n
Perimeter 86170820
Area 464088138717025
Diagonal 30465985.581203

Cube

Length = n
Surface area 2784528832302150
Volume 9.9977138663799E+21
Space diagonal 37313059.592468

Equilateral Triangle

Length = n
Perimeter 64628115
Area 2.0095605886199E+14
Altitude 18656529.796234

Triangular Pyramid

Length = n
Surface area 2.0095605886199E+14
Volume 1.1782418785467E+21
Height 10155328.527068