21539986 (number)

21539986 is an even 8-digits composite number following 21539985 and preceding 21539987. In scientific notation, it is written as 2.1539986 × 10^7. The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors. There are 9356544 positive integers (up to 21539986) that are relatively prime to 21539986.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred thirty-nine thousand nine hundred eighty-six

Notation

Scientific notation 2.1539986 × 10^7
Engineering notation 2.1539986 × 10^6

Prime Factorization of 21539986

Prime Factorization 2 × 17 × 13 × 48733

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21539986
Product of the distinct prime numbers

The prime factorization of 21539986 is 2 × 17 × 13 × 48733. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 1, 59, 86, 464, 562, 4333, 5226, 57032, 34419, 117237, 98532, 4741992, 6900988, 80460278, 52226605, 48825416, 690594150, 293291297, 5684842564

Basic calculations (n = 21539986)

Multiplication

n×y
n×2 43079972
n×3 64619958
n×4 86159944
n×5 107699930

Division

n÷y
n÷2 10769993
n÷3 7179995.3333333
n÷3 5384996.5
n÷5 4307997.2

Exponentiation

ny
n2 463970996880196
n3 9.9939287772055E+21
n4 2.15269085946E+29
n5 4.6368930975097E+36

Nth Root

y√n
2√n 4641.1190460922
3√n 278.23716455601
4√n 68.125759049659
5√n 29.285259946703

Divisors of 21539986

1, 2, 13, 17, 26, 34, 221, 442, 48733, 97466, 633529, 828461, 1267058, 1656922, 10769993, 21539986

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21539985
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21539986 can be divided by 16 positive divisors. The sum of these divisors (counting 21539986) is 1, the average is 0.0625.

Base conversion 21539986

Base System Value
2 Binary 1010010001010110010010010
3 Ternary 1111112100022021
4 Quaternary 1102022302102
5 Quinary 21003234421
6 Senary 2045402054
8 Octal 122126222
10 Decimal 21539986
12 Duodecimal 726932a
16 Hexadecimal 148ac92
20 Vigesimal 6ec9j6
36 Base36 ctocy

Cryptographic Hash Functions

md5 2538a0234ee9eef3df38226093178127
sha1 4c4a46c1843e421ffd620f29c57ae2b883f287fd
sha256 73b963f900c73ef1ea1882b971dd498eb3b3ded8fda884e81f800059fe9757db
sha512 8af9fbec8f2dac27e095208534dd483ddd22ff980e1b390ed082e6e22aff46b6b85fd4662cd65626ceb8e0603e7230b8f663ab40c612bb053d5eb171ce92843d
ripemd-160 79e810d10d44a07f52bca9ee440f0c26ca1fbeec

21539986 as geometric shapes

Circle

Radius = n
Diameter 43079972
Circumference 135339723.55205
Area 1.4576078752776E+15

Sphere

Radius = n
Volume 4.1862470969291E+22
Surface area 5.8304315011102E+15
Circumference 135339723.55205

Square

Length = n
Perimeter 86159944
Area 463970996880196
Diagonal 30462140.334527

Cube

Length = n
Surface area 2783825981281176
Volume 9.9939287772055E+21
Space diagonal 37308350.146322

Equilateral Triangle

Length = n
Perimeter 64619958
Area 2.0090533495872E+14
Altitude 18654175.073161

Triangular Pyramid

Length = n
Surface area 2.0090533495872E+14
Volume 1.1777958015096E+21
Height 10154046.778176