21306871 (number)

21306871 is an odd 8-digits composite number following 21306870 and preceding 21306872. In scientific notation, it is written as 2.1306871 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 20849400 positive integers (up to 21306871) that are relatively prime to 21306871.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred six thousand eight hundred seventy-one

Notation

Scientific notation 2.1306871 × 10^7
Engineering notation 2.1306871 × 10^6

Prime Factorization of 21306871

Prime Factorization 163 × 67 × 1951

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21306871
Product of the distinct prime numbers

The prime factorization of 21306871 is 163 × 67 × 1951. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21306871)

Multiplication

n×y
n×2 42613742
n×3 63920613
n×4 85227484
n×5 106534355

Division

n÷y
n÷2 10653435.5
n÷3 7102290.3333333
n÷3 5326717.75
n÷5 4261374.2

Exponentiation

ny
n2 453982751810641
n3 9.6729519290543E+21
n4 2.0610033894156E+29
n5 4.3913533348841E+36

Nth Root

y√n
2√n 4615.9366330139
3√n 277.22978756027
4√n 67.94068466695
5√n 29.221596210689

Divisors of 21306871

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 -21306870
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 21306871 can be divided by 8 positive divisors. The sum of these divisors (counting 21306871) is 1, the average is 0.125.

Base conversion 21306871

Base System Value
2 Binary 1010001010001110111110111
3 Ternary 1111002111112101
4 Quaternary 1101101313313
5 Quinary 20423304441
6 Senary 2040402531
8 Octal 121216767
10 Decimal 21306871
12 Duodecimal 7176447
16 Hexadecimal 1451df7
20 Vigesimal 6d373b
36 Base36 coohj

Cryptographic Hash Functions

md5 f4cd5ed2184f5df6ce4d3f733fa09fd1
sha1 beaa11651db433322591cc1672993bfbc936ef69
sha256 c1554caf620c26ea58d2dcfdf102f8972d48ac50619e8baeae7ead713db571bc
sha512 d6d7a6ca4864601f1f2c7ba7be76c37529db32174165c3c0e02ed004a9c304501ec36756050f61b5e778835dd8f1effd3427934f54dff5affca30ab639dc3b56
ripemd-160 af0a4055aa1967e0e03d8c414ca3b2b28b4421b8

21306871 as geometric shapes

Circle

Radius = n
Diameter 42613742
Circumference 133875018.80917
Area 1.4262288779448E+15

Sphere

Radius = n
Volume 4.0517966291792E+22
Surface area 5.7049155117792E+15
Circumference 133875018.80917

Square

Length = n
Perimeter 85227484
Area 453982751810641
Diagonal 30132465.939934

Cube

Length = n
Surface area 2723896510863846
Volume 9.6729519290543E+21
Space diagonal 36904583.122316

Equilateral Triangle

Length = n
Perimeter 63920613
Area 1.9658029797399E+14
Altitude 18452291.561158

Triangular Pyramid

Length = n
Surface area 1.9658029797399E+14
Volume 1.1399683171876E+21
Height 10044155.313311