21291216 (number)

21291216 is an even 8-digits composite number following 21291215 and preceding 21291217. In scientific notation, it is written as 2.1291216 × 10^7. The sum of its digits is 24. It has a total of 6 prime factors and 20 positive divisors. There are 7097056 positive integers (up to 21291216) that are relatively prime to 21291216.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred ninety-one thousand two hundred sixteen

Notation

Scientific notation 2.1291216 × 10^7
Engineering notation 2.1291216 × 10^6

Prime Factorization of 21291216

Prime Factorization 2 × 2 × 2 × 2 × 3 × 443567

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2661402
Product of the distinct prime numbers

The prime factorization of 21291216 is 2 × 2 × 2 × 2 × 3 × 443567. Since it has a total of 6 prime factors.

Most popular turbo-numbers

5, 9, 61, 55, 108, 826, 5172, 2438, 48107, 8934, 336488, 176484, 8531889, 5060904, 55385727, 98391250, 108391986, 821929794, 9885690784, 4641387562

Basic calculations (n = 21291216)

Multiplication

n×y
n×2 42582432
n×3 63873648
n×4 85164864
n×5 106456080

Division

n÷y
n÷2 10645608
n÷3 7097072
n÷3 5322804
n÷5 4258243.2

Exponentiation

ny
n2 453315878758656
n3 9.6516462908804E+21
n4 2.0549528593473E+29
n5 4.3752445198182E+36

Nth Root

y√n
2√n 4614.2405659003
3√n 277.16187369828
4√n 67.92820155061
5√n 29.21730089586

Divisors of 21291216

1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 443567, 887134, 1330701, 1774268, 2661402, 3548536, 5322804, 7097072, 10645608, 21291216

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21291215
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21291216 can be divided by 20 positive divisors. The sum of these divisors (counting 21291216) is 1, the average is 0.05.

Base conversion 21291216

Base System Value
2 Binary 1010001001110000011010000
3 Ternary 1111001201001120
4 Quaternary 1101032003100
5 Quinary 20422304331
6 Senary 2040202240
8 Octal 121160320
10 Decimal 21291216
12 Duodecimal 7169380
16 Hexadecimal 144e0d0
20 Vigesimal 6d180g
36 Base36 coceo

Cryptographic Hash Functions

md5 5b1025141b71d37320e9988231fa2ad5
sha1 c053333cd8292b1c97f4e9978bd3fa54df69339d
sha256 d1f12548f4447a61d7fab2216a52b580701a74877d338cff5b8845dfe1c3c343
sha512 7ccf7be13a30b24ad2e5d6e8eb19851631ed80140469d1b98961178e9429383b1f1e05dc481ec881b294e4533125fea6adcc928a03780c144a1cf49d09633bc1
ripemd-160 e9efb70fb3573a996ce3ac1bf6091c9617096462

21291216 as geometric shapes

Circle

Radius = n
Diameter 42582432
Circumference 133776655.54319
Area 1.4241338344638E+15

Sphere

Radius = n
Volume 4.0428721443303E+22
Surface area 5.6965353378552E+15
Circumference 133776655.54319

Square

Length = n
Perimeter 85164864
Area 453315878758656
Diagonal 30110326.426615

Cube

Length = n
Surface area 2719895272551936
Volume 9.6516462908804E+21
Space diagonal 36877467.866923

Equilateral Triangle

Length = n
Perimeter 63873648
Area 1.9629153347193E+14
Altitude 18438733.933462

Triangular Pyramid

Length = n
Surface area 1.9629153347193E+14
Volume 1.1374574236492E+21
Height 10036775.475538