21351208 (number)

21351208 is an even 8-digits composite number following 21351207 and preceding 21351209. In scientific notation, it is written as 2.1351208 × 10^7. The sum of its digits is 22. It has a total of 5 prime factors and 16 positive divisors. There are 10575408 positive integers (up to 21351208) that are relatively prime to 21351208.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred fifty-one thousand two hundred eight

Notation

Scientific notation 2.1351208 × 10^7
Engineering notation 2.1351208 × 10^6

Prime Factorization of 21351208

Prime Factorization 2 × 2 × 2 × 107 × 24943

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5337802
Product of the distinct prime numbers

The prime factorization of 21351208 is 2 × 2 × 2 × 107 × 24943. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 3, 96, 23, 876, 455, 2426, 2559, 49060, 12528, 80768, 869479, 9301237, 5947658, 15351352, 55963558, 83237080, 438890614, 8078224179, 978604040

Basic calculations (n = 21351208)

Multiplication

n×y
n×2 42702416
n×3 64053624
n×4 85404832
n×5 106756040

Division

n÷y
n÷2 10675604
n÷3 7117069.3333333
n÷3 5337802
n÷5 4270241.6

Exponentiation

ny
n2 455874083059264
n3 9.7334623692076E+21
n4 2.0782117960512E+29
n5 4.4372332325544E+36

Nth Root

y√n
2√n 4620.7367377941
3√n 277.42194812675
4√n 67.976001190082
5√n 29.233747416402

Divisors of 21351208

1, 2, 4, 8, 107, 214, 428, 856, 24943, 49886, 99772, 199544, 2668901, 5337802, 10675604, 21351208

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21351207
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21351208 can be divided by 16 positive divisors. The sum of these divisors (counting 21351208) is 1, the average is 0.0625.

Base conversion 21351208

Base System Value
2 Binary 1010001011100101100101000
3 Ternary 1111011202100111
4 Quaternary 1101130230220
5 Quinary 20431214313
6 Senary 2041344104
8 Octal 121345450
10 Decimal 21351208
12 Duodecimal 7198034
16 Hexadecimal 145cb28
20 Vigesimal 6d8i08
36 Base36 cpmp4

Cryptographic Hash Functions

md5 91c5f1e6f843821b51654b700beca1c8
sha1 1c51ce66609d4f240e1a7273ec7c5837d57650d0
sha256 b69050dab9178b50f6c6945246bdbcd01a5f63014b70e2d3077edafcb16c795e
sha512 8cf38659fe27b34a3cf05f9dad5b5c0c7a19b1ab1a19edbeef689928abd23da6120b91ca209f09767e92f2959a464ad6f7ed4e298349c93a7c4739d950a43bf7
ripemd-160 91064d39296e3903b3cb1338bf9fea1e54a31bc9

21351208 as geometric shapes

Circle

Radius = n
Diameter 42702416
Circumference 134153596.39614
Area 1.432170670301E+15

Sphere

Radius = n
Volume 4.0771431830794E+22
Surface area 5.7286826812039E+15
Circumference 134153596.39614

Square

Length = n
Perimeter 85404832
Area 455874083059264
Diagonal 30195167.926649

Cube

Length = n
Surface area 2735244498355584
Volume 9.7334623692076E+21
Space diagonal 36981377.058971

Equilateral Triangle

Length = n
Perimeter 64053624
Area 1.9739926842813E+14
Altitude 18490688.529486

Triangular Pyramid

Length = n
Surface area 1.9739926842813E+14
Volume 1.1470995409485E+21
Height 10065055.97555