21479967 (number)

21479967 is an odd 8-digits composite number following 21479966 and preceding 21479968. In scientific notation, it is written as 2.1479967 × 10^7. The sum of its digits is 45. It has a total of 2 prime factors and 4 positive divisors. There are 14319972 positive integers (up to 21479967) that are relatively prime to 21479967.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred seventy-nine thousand nine hundred sixty-seven

Notation

Scientific notation 2.1479967 × 10^7
Engineering notation 2.1479967 × 10^6

Prime Factorization of 21479967

Prime Factorization 9 × 2386663

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21479967
Product of the distinct prime numbers

The prime factorization of 21479967 is 9 × 2386663. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 8, 25, 40, 441, 456, 8893, 4906, 53788, 93354, 299464, 981934, 1902413, 430026, 85859738, 81363551, 795733126, 405057244, 4885814540, 1081076617

Basic calculations (n = 21479967)

Multiplication

n×y
n×2 42959934
n×3 64439901
n×4 85919868
n×5 107399835

Division

n÷y
n÷2 10739983.5
n÷3 7159989
n÷3 5369991.75
n÷5 4295993.4

Exponentiation

ny
n2 461388982321089
n3 9.9106201144206E+21
n4 2.1287979300729E+29
n5 4.5726509287634E+36

Nth Root

y√n
2√n 4634.6485303634
3√n 277.97849755191
4√n 68.078252991417
5√n 29.268921641482

Divisors of 21479967

1, 9, 2386663, 21479967

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 -21479966
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 21479967 can be divided by 4 positive divisors. The sum of these divisors (counting 21479967) is 1, the average is 0.25.

Base conversion 21479967

Base System Value
2 Binary 1010001111100001000011111
3 Ternary 1111102021222100
4 Quaternary 1101330020133
5 Quinary 20444324332
6 Senary 2044220143
8 Octal 121741037
10 Decimal 21479967
12 Duodecimal 723a653
16 Hexadecimal 147c21f
20 Vigesimal 6e4ji7
36 Base36 cse1r

Cryptographic Hash Functions

md5 9d9534a751138c9072c84c7deb6c8122
sha1 55a595a26f27df27548c1725f860fa0a4f7a3b39
sha256 d835f7835700f884b81b5e5f5c8ef13eab0fb02f06168817ecb8833a23b1bf2a
sha512 2233c1df61253e0f4efade751d9681d1cf221551a6a7d918ddf3b765126a1fb5bc8c34e9696ae1a6bb619ab9c4941325c8234acbfa17194e74e9f4e10f187d7c
ripemd-160 c9537c1a57a764fdc330920f25c456007ee4f5c4

21479967 as geometric shapes

Circle

Radius = n
Diameter 42959934
Circumference 134962613.0531
Area 1.4494962373072E+15

Sphere

Radius = n
Volume 4.1513508458644E+22
Surface area 5.7979849492288E+15
Circumference 134962613.0531

Square

Length = n
Perimeter 85919868
Area 461388982321089
Diagonal 30377260.650727

Cube

Length = n
Surface area 2768333893926534
Volume 9.9106201144206E+21
Space diagonal 37204394.188903

Equilateral Triangle

Length = n
Perimeter 64439901
Area 1.9978728985816E+14
Altitude 18602197.094451

Triangular Pyramid

Length = n
Surface area 1.9978728985816E+14
Volume 1.1679777814451E+21
Height 10125753.550242