21031208 (number)

21031208 is an even 8-digits composite number following 21031207 and preceding 21031209. In scientific notation, it is written as 2.1031208 × 10^7. The sum of its digits is 17. It has a total of 5 prime factors and 16 positive divisors. There are 9559600 positive integers (up to 21031208) that are relatively prime to 21031208.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand two hundred eight

Notation

Scientific notation 2.1031208 × 10^7
Engineering notation 2.1031208 × 10^6

Prime Factorization of 21031208

Prime Factorization 2 × 2 × 2 × 11 × 238991

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5257802
Product of the distinct prime numbers

The prime factorization of 21031208 is 2 × 2 × 2 × 11 × 238991. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 2, 47, 80, 887, 403, 6939, 2016, 1159, 43657, 6278, 312132, 9718459, 6906314, 20182926, 83193902, 50687564, 27047578, 1246453304, 3579162713

Basic calculations (n = 21031208)

Multiplication

n×y
n×2 42062416
n×3 63093624
n×4 84124832
n×5 105156040

Division

n÷y
n÷2 10515604
n÷3 7010402.6666667
n÷3 5257802
n÷5 4206241.6

Exponentiation

ny
n2 442311709939264
n3 9.3023495725683E+21
n4 1.956396487494E+29
n5 4.1145381458955E+36

Nth Root

y√n
2√n 4585.9795027889
3√n 276.02901746302
4√n 67.719860475262
5√n 29.145589494431

Divisors of 21031208

1, 2, 4, 8, 11, 22, 44, 88, 238991, 477982, 955964, 1911928, 2628901, 5257802, 10515604, 21031208

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 -21031207
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 21031208 can be divided by 16 positive divisors. The sum of these divisors (counting 21031208) is 1, the average is 0.0625.

Base conversion 21031208

Base System Value
2 Binary 1010000001110100100101000
3 Ternary 1110120111101122
4 Quaternary 1100032210220
5 Quinary 20340444313
6 Senary 2030434412
8 Octal 120164450
10 Decimal 21031208
12 Duodecimal 7062a08
16 Hexadecimal 140e928
20 Vigesimal 6b8i08
36 Base36 cirs8

Cryptographic Hash Functions

md5 b07a529df67a532b7da75b95ed7afb2a
sha1 7734faeec5284f778d947b4685ee99b0e600d31f
sha256 3aa5dcab13cf75b212d7b53595332d9d7937bc4ec9476d18d2c5b9e55bee7af7
sha512 c8c89eb94d028b7e7893f636a0baea9ebab597f5e1b17ef425a43d4afdc4dce7a29ff1cfdd90d63361735866f7e5495071c10e0b601a02e58fc4012e93baed00
ripemd-160 e1556ca4b8338138e973c200670d6246a9fc1df5

21031208 as geometric shapes

Circle

Radius = n
Diameter 42062416
Circumference 132142977.09784
Area 1.3895632185419E+15

Sphere

Radius = n
Volume 3.8965590771073E+22
Surface area 5.5582528741677E+15
Circumference 132142977.09784

Square

Length = n
Perimeter 84124832
Area 442311709939264
Diagonal 29742619.58669

Cube

Length = n
Surface area 2653870259635584
Volume 9.3023495725683E+21
Space diagonal 36427120.800549

Equilateral Triangle

Length = n
Perimeter 63093624
Area 1.9152658859937E+14
Altitude 18213560.400275

Triangular Pyramid

Length = n
Surface area 1.9152658859937E+14
Volume 1.0962924106218E+21
Height 9914206.5288965