21478812 (number)

21478812 is an even 8-digits composite number following 21478811 and preceding 21478813. In scientific notation, it is written as 2.1478812 × 10^7. The sum of its digits is 33. It has a total of 5 prime factors and 24 positive divisors. There are 7007088 positive integers (up to 21478812) that are relatively prime to 21478812.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred seventy-eight thousand eight hundred twelve

Notation

Scientific notation 2.1478812 × 10^7
Engineering notation 2.1478812 × 10^6

Prime Factorization of 21478812

Prime Factorization 2 × 2 × 3 × 47 × 38083

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10739406
Product of the distinct prime numbers

The prime factorization of 21478812 is 2 × 2 × 3 × 47 × 38083. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21478812)

Multiplication

n×y
n×2 42957624
n×3 64436436
n×4 85915248
n×5 107394060

Division

n÷y
n÷2 10739406
n÷3 7159604
n÷3 5369703
n÷5 4295762.4

Exponentiation

ny
n2 461339364931344
n3 9.9090214875597E+21
n4 2.1283400963526E+29
n5 4.5714216801618E+36

Nth Root

y√n
2√n 4634.5239237704
3√n 277.97351506568
4√n 68.077337813478
5√n 29.268606870685

Divisors of 21478812

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21478811
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21478812 can be divided by 24 positive divisors. The sum of these divisors (counting 21478812) is 1, the average is 0.041666666666667.

Base conversion 21478812

Base System Value
2 Binary 1010001111011110110011100
3 Ternary 1111102020101120
4 Quaternary 1101323312130
5 Quinary 20444310222
6 Senary 2044210540
8 Octal 121736634
10 Decimal 21478812
12 Duodecimal 7239a50
16 Hexadecimal 147bd9c
20 Vigesimal 6e4h0c
36 Base36 csd5o

Cryptographic Hash Functions

md5 c190fd7ca94b96903abee37e5eb37b8a
sha1 b2a2d437b738a65142f72ef6ea8667e83ab11b57
sha256 052c90b45e7d68f45fdbdf957bb285dfa443b1b2b968273d5e6b96ce0d142c2a
sha512 852576d228779e18d91fe25d43db5c6b8359192bd36801c6f7adf5fa1132f8361ab562f4e7b13ae5331458b30f552639d57e8c3feec2baccfda7befe94514f15
ripemd-160 16bcf0cdda2c12e18e59ae6ab916b54e680a6804

21478812 as geometric shapes

Circle

Radius = n
Diameter 42957624
Circumference 134955355.97407
Area 1.4493403596801E+15

Sphere

Radius = n
Volume 4.1506812146108E+22
Surface area 5.7973614387204E+15
Circumference 134955355.97407

Square

Length = n
Perimeter 85915248
Area 461339364931344
Diagonal 30375627.234062

Cube

Length = n
Surface area 2768036189588064
Volume 9.9090214875597E+21
Space diagonal 37202393.67022

Equilateral Triangle

Length = n
Perimeter 64436436
Area 1.9976580489816E+14
Altitude 18601196.83511

Triangular Pyramid

Length = n
Surface area 1.9976580489816E+14
Volume 1.1677893814628E+21
Height 10125209.078021