21279904 (number)

21279904 is an even 8-digits composite number following 21279903 and preceding 21279905. In scientific notation, it is written as 2.1279904 × 10^7. The sum of its digits is 34. It has a total of 6 prime factors and 12 positive divisors. There are 10639936 positive integers (up to 21279904) that are relatively prime to 21279904.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1279904 × 10^7
Engineering notation 2.1279904 × 10^6

Prime Factorization of 21279904

Prime Factorization 2 × 2 × 2 × 2 × 2 × 664997

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 1329994
Product of the distinct prime numbers

The prime factorization of 21279904 is 2 × 2 × 2 × 2 × 2 × 664997. Since it has a total of 6 prime factors.

Most popular turbo-numbers

3, 4, 57, 10, 857, 678, 4443, 9738, 18163, 16948, 869435, 860371, 5605604, 4361281, 86062238, 20325195, 157447076, 281256565, 4711331054, 3967700121

Basic calculations (n = 21279904)

Multiplication

n×y
n×2 42559808
n×3 63839712
n×4 85119616
n×5 106399520

Division

n÷y
n÷2 10639952
n÷3 7093301.3333333
n÷3 5319976
n÷5 4255980.8

Exponentiation

ny
n2 452834314249216
n3 9.6362707351291E+21
n4 2.0505891616156E+29
n5 4.363634050262E+36

Nth Root

y√n
2√n 4613.0146325369
3√n 277.11277973497
4√n 67.91917720745
5√n 29.214195611793

Divisors of 21279904

1, 2, 4, 8, 16, 32, 664997, 1329994, 2659988, 5319976, 10639952, 21279904

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 -21279903
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 21279904 can be divided by 12 positive divisors. The sum of these divisors (counting 21279904) is 1, the average is 0.083333333333333.

Base conversion 21279904

Base System Value
2 Binary 1010001001011010010100000
3 Ternary 1111001010112121
4 Quaternary 1101023102200
5 Quinary 20421424104
6 Senary 2040034024
8 Octal 121132240
10 Decimal 21279904
12 Duodecimal 7162914
16 Hexadecimal 144b4a0
20 Vigesimal 6cjjf4
36 Base36 co3og

Cryptographic Hash Functions

md5 c94023494eb37c1c7be1870da33a06b9
sha1 eb07315b83bd6f552ecfe251111846cf52dea499
sha256 e93166c3159c7afe95d0c09df2f631a4443f5aa5e1919289906500b55cc3ba57
sha512 14b197d1d3c55d338824e48985071b587cb6a60955fe990b43b75d5f68d85d1eb944f293384b4af3612b80ecf842361b06c854339b9274be4fcc53ce9fd1d362
ripemd-160 4cab5b575cbff09ff664a7518bfad7734e2e3855

21279904 as geometric shapes

Circle

Radius = n
Diameter 42559808
Circumference 133705580.15099
Area 1.4226209549387E+15

Sphere

Radius = n
Volume 4.0364316465979E+22
Surface area 5.6904838197548E+15
Circumference 133705580.15099

Square

Length = n
Perimeter 85119616
Area 452834314249216
Diagonal 30094328.842797

Cube

Length = n
Surface area 2717005885495296
Volume 9.6362707351291E+21
Space diagonal 36857874.908188

Equilateral Triangle

Length = n
Perimeter 63839712
Area 1.9608300992256E+14
Altitude 18428937.454094

Triangular Pyramid

Length = n
Surface area 1.9608300992256E+14
Volume 1.1356453970265E+21
Height 10031442.947599