21479968 (number)

21479968 is an even 8-digits composite number following 21479967 and preceding 21479969. In scientific notation, it is written as 2.1479968 × 10^7. The sum of its digits is 46. It has a total of 6 prime factors and 12 positive divisors. There are 10739968 positive integers (up to 21479968) that are relatively prime to 21479968.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1479968 × 10^7
Engineering notation 2.1479968 × 10^6

Prime Factorization of 21479968

Prime Factorization 2 × 2 × 2 × 2 × 2 × 671249

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 1342498
Product of the distinct prime numbers

The prime factorization of 21479968 is 2 × 2 × 2 × 2 × 2 × 671249. Since it has a total of 6 prime factors.

Most popular turbo-numbers

10, 9, 1, 81, 269, 545, 6254, 1315, 26698, 77520, 840500, 158070, 2852127, 7161964, 93339947, 68649497, 395409357, 242314387, 6628426680, 4500833605

Basic calculations (n = 21479968)

Multiplication

n×y
n×2 42959936
n×3 64439904
n×4 85919872
n×5 107399840

Division

n÷y
n÷2 10739984
n÷3 7159989.3333333
n÷3 5369992
n÷5 4295993.6

Exponentiation

ny
n2 461389025281024
n3 9.9106214985876E+21
n4 2.1287983264977E+29
n5 4.5726519931625E+36

Nth Root

y√n
2√n 4634.6486382465
3√n 277.97850186567
4√n 68.078253783763
5√n 29.268921914005

Divisors of 21479968

1, 2, 4, 8, 16, 32, 671249, 1342498, 2684996, 5369992, 10739984, 21479968

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 -21479967
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 21479968 can be divided by 12 positive divisors. The sum of these divisors (counting 21479968) is 1, the average is 0.083333333333333.

Base conversion 21479968

Base System Value
2 Binary 1010001111100001000100000
3 Ternary 1111102021222101
4 Quaternary 1101330020200
5 Quinary 20444324333
6 Senary 2044220144
8 Octal 121741040
10 Decimal 21479968
12 Duodecimal 723a654
16 Hexadecimal 147c220
20 Vigesimal 6e4ji8
36 Base36 cse1s

Cryptographic Hash Functions

md5 b3ffb834d63792dc3865c6f9ac23fafd
sha1 bce8c47017a0dbe3fb748fdf2da52968dd54cd7c
sha256 43cee18f85f7d12d418756f332bfccf40484980735ff9e2657c75e75c14bb72a
sha512 8d6d59e35d9a49e58cdd3f0bd9f9ec3cc76802441087c77b3bbbe2f325c7629ece5d8eed439c569072c54348f6e187ebc4a3fb7fa0188586b9be4407f457991b
ripemd-160 b21cb9c09e003b83daf03aeac378025bf48c35c4

21479968 as geometric shapes

Circle

Radius = n
Diameter 42959936
Circumference 134962619.33629
Area 1.4494963722698E+15

Sphere

Radius = n
Volume 4.1513514256629E+22
Surface area 5.7979854890793E+15
Circumference 134962619.33629

Square

Length = n
Perimeter 85919872
Area 461389025281024
Diagonal 30377262.06494

Cube

Length = n
Surface area 2768334151686144
Volume 9.9106214985876E+21
Space diagonal 37204395.920954

Equilateral Triangle

Length = n
Perimeter 64439904
Area 1.9978730846035E+14
Altitude 18602197.960477

Triangular Pyramid

Length = n
Surface area 1.9978730846035E+14
Volume 1.1679779445707E+21
Height 10125754.021647