21479916 (number)

21479916 is an even 8-digits composite number following 21479915 and preceding 21479917. In scientific notation, it is written as 2.1479916 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 12 positive divisors. There are 7159968 positive integers (up to 21479916) that are relatively prime to 21479916.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1479916 × 10^7
Engineering notation 2.1479916 × 10^6

Prime Factorization of 21479916

Prime Factorization 2 × 2 × 3 × 1789993

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10739958
Product of the distinct prime numbers

The prime factorization of 21479916 is 2 × 2 × 3 × 1789993. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 10, 9, 80, 178, 920, 7679, 3488, 61523, 23080, 336649, 559919, 7681994, 6573981, 116916, 66307347, 211721873, 996619060, 6908677109, 3024028705

Basic calculations (n = 21479916)

Multiplication

n×y
n×2 42959832
n×3 64439748
n×4 85919664
n×5 107399580

Division

n÷y
n÷2 10739958
n÷3 7159972
n÷3 5369979
n÷5 4295983.2

Exponentiation

ny
n2 461386791367056
n3 9.9105495220739E+21
n4 2.1287777124799E+29
n5 4.572596644674E+36

Nth Root

y√n
2√n 4634.6430283248
3√n 277.97827754979
4√n 68.078212581742
5√n 29.268907742797

Divisors of 21479916

1, 2, 3, 4, 6, 12, 1789993, 3579986, 5369979, 7159972, 10739958, 21479916

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21479915
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21479916 can be divided by 12 positive divisors. The sum of these divisors (counting 21479916) is 1, the average is 0.083333333333333.

Base conversion 21479916

Base System Value
2 Binary 1010001111100000111101100
3 Ternary 1111102021220110
4 Quaternary 1101330013230
5 Quinary 20444324131
6 Senary 2044220020
8 Octal 121740754
10 Decimal 21479916
12 Duodecimal 723a610
16 Hexadecimal 147c1ec
20 Vigesimal 6e4jfg
36 Base36 cse0c

Cryptographic Hash Functions

md5 c6e1ed659328d3e153d84613550f4851
sha1 2a3903257efcd6a03ab8cfff77014244d7aefd8e
sha256 c6f3684dfb9059a0a20209c1772a32c7a6c63eea6918f6d5f0bb18c80f5d7698
sha512 1d922a693b3d0adb897717d2a61f4bc53bd857aaa307ee5df813e2dde0320712fcfdf54d934713b53b57e881c7ea3f1152b60963154c70fb4ced731b2eb51db6
ripemd-160 091d0544f40d23a974093476a039bb9ad4e63022

21479916 as geometric shapes

Circle

Radius = n
Diameter 42959832
Circumference 134962292.61065
Area 1.4494893542221E+15

Sphere

Radius = n
Volume 4.1513212762114E+22
Surface area 5.7979574168884E+15
Circumference 134962292.61065

Square

Length = n
Perimeter 85919664
Area 461386791367056
Diagonal 30377188.525835

Cube

Length = n
Surface area 2768320748202336
Volume 9.9105495220739E+21
Space diagonal 37204305.854312

Equilateral Triangle

Length = n
Perimeter 64439748
Area 1.9978634114723E+14
Altitude 18602152.927156

Triangular Pyramid

Length = n
Surface area 1.9978634114723E+14
Volume 1.1679694620573E+21
Height 10125729.508612