21231279 (number)

21231279 is an odd 8-digits composite number following 21231278 and preceding 21231280. In scientific notation, it is written as 2.1231279 × 10^7. The sum of its digits is 27. It has a total of 2 prime factors and 4 positive divisors. There are 14154180 positive integers (up to 21231279) that are relatively prime to 21231279.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred thirty-one thousand two hundred seventy-nine

Notation

Scientific notation 2.1231279 × 10^7
Engineering notation 2.1231279 × 10^6

Prime Factorization of 21231279

Prime Factorization 9 × 2359031

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21231279
Product of the distinct prime numbers

The prime factorization of 21231279 is 9 × 2359031. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 5, 77, 26, 708, 704, 7789, 6530, 49318, 69539, 504599, 873568, 4938377, 501160, 87824405, 18281529, 88763264, 233876071, 7726678870, 7159950558

Basic calculations (n = 21231279)

Multiplication

n×y
n×2 42462558
n×3 63693837
n×4 84925116
n×5 106156395

Division

n÷y
n÷2 10615639.5
n÷3 7077093
n÷3 5307819.75
n÷5 4246255.8

Exponentiation

ny
n2 450767207975841
n3 9.5703643565861E+21
n4 2.0319107578634E+29
n5 4.3140064203298E+36

Nth Root

y√n
2√n 4607.7412036702
3√n 276.9015493771
4√n 67.880344752146
5√n 29.200832389575

Divisors of 21231279

1, 9, 2359031, 21231279

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 -21231278
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 21231279 can be divided by 4 positive divisors. The sum of these divisors (counting 21231279) is 1, the average is 0.25.

Base conversion 21231279

Base System Value
2 Binary 1010000111111011010101111
3 Ternary 1110221122211200
4 Quaternary 1100333122233
5 Quinary 20413400104
6 Senary 2035020543
8 Octal 120773257
10 Decimal 21231279
12 Duodecimal 713a753
16 Hexadecimal 143f6af
20 Vigesimal 6cdi3j
36 Base36 cn25r

Cryptographic Hash Functions

md5 a09995f2d5343fba77c2277860583faa
sha1 309944189077f0ebf541a5a94d50daeb41792821
sha256 2d5d770e913a7390ed03bcfb295eed7fa3ec054a63bbe0fbf631bb3c7903a3a8
sha512 ab65d8735c056d9103f0a046b7385481d0db62d17f45a440507c666647c951dcbae906d76e369286cddcf47bae60e723333156f731c3167013e813397c91a69e
ripemd-160 d5a65acd28ffac62ac51861e4ba578e9533406ab

21231279 as geometric shapes

Circle

Radius = n
Diameter 42462558
Circumference 133400060.26543
Area 1.4161269490561E+15

Sphere

Radius = n
Volume 4.0088248473105E+22
Surface area 5.6645077962243E+15
Circumference 133400060.26543

Square

Length = n
Perimeter 84925116
Area 450767207975841
Diagonal 30025562.708327

Cube

Length = n
Surface area 2704603247855046
Volume 9.5703643565861E+21
Space diagonal 36773653.93767

Equilateral Triangle

Length = n
Perimeter 63693837
Area 1.9518792665003E+14
Altitude 18386826.968835

Triangular Pyramid

Length = n
Surface area 1.9518792665003E+14
Volume 1.127878255828E+21
Height 10008520.902776