21479969 (number)

21479969 is an odd 8-digits composite number following 21479968 and preceding 21479970. In scientific notation, it is written as 2.1479969 × 10^7. The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors. There are 18411396 positive integers (up to 21479969) that are relatively prime to 21479969.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1479969 × 10^7
Engineering notation 2.1479969 × 10^6

Prime Factorization of 21479969

Prime Factorization 7 × 3068567

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21479969
Product of the distinct prime numbers

The prime factorization of 21479969 is 7 × 3068567. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21479969)

Multiplication

n×y
n×2 42959938
n×3 64439907
n×4 85919876
n×5 107399845

Division

n÷y
n÷2 10739984.5
n÷3 7159989.6666667
n÷3 5369992.25
n÷5 4295993.8

Exponentiation

ny
n2 461389068240961
n3 9.9106228827547E+21
n4 2.1287987229226E+29
n5 4.5726530575618E+36

Nth Root

y√n
2√n 4634.6487461295
3√n 277.97850617944
4√n 68.078254576109
5√n 29.268922186528

Divisors of 21479969

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 -21479968
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 21479969 can be divided by 4 positive divisors. The sum of these divisors (counting 21479969) is 1, the average is 0.25.

Base conversion 21479969

Base System Value
2 Binary 1010001111100001000100001
3 Ternary 1111102021222102
4 Quaternary 1101330020201
5 Quinary 20444324334
6 Senary 2044220145
8 Octal 121741041
10 Decimal 21479969
12 Duodecimal 723a655
16 Hexadecimal 147c221
20 Vigesimal 6e4ji9
36 Base36 cse1t

Cryptographic Hash Functions

md5 454102b3718329634b38c56053164a4a
sha1 7a4a4438c0de90355dbbb113a219ad08d283e2a2
sha256 56b4bc48ff967b8668b8be37d94624ffed6003ae64649768e5660495a51b115c
sha512 cf85324068a0aabc14a1f2259e783e9d9479b7ccad3486b39b363854763e7c32fe94f9bf76e01d205d2c208227ef35d1f9f6a24df122877d3c4e4275bb663a57
ripemd-160 7baa17551bdb4db8bce43de13b73e4c15501cb00

21479969 as geometric shapes

Circle

Radius = n
Diameter 42959938
Circumference 134962625.61947
Area 1.4494965072324E+15

Sphere

Radius = n
Volume 4.1513520054615E+22
Surface area 5.7979860289298E+15
Circumference 134962625.61947

Square

Length = n
Perimeter 85919876
Area 461389068240961
Diagonal 30377263.479154

Cube

Length = n
Surface area 2768334409445766
Volume 9.9106228827547E+21
Space diagonal 37204397.653004

Equilateral Triangle

Length = n
Perimeter 64439907
Area 1.9978732706255E+14
Altitude 18602198.826502

Triangular Pyramid

Length = n
Surface area 1.9978732706255E+14
Volume 1.1679781076964E+21
Height 10125754.493051