20121247 (number)

20121247 is an odd 8-digits composite number following 20121246 and preceding 20121248. In scientific notation, it is written as 2.0121247 × 10^7. The sum of its digits is 19. It has a total of 3 prime factors and 8 positive divisors. There are 19021464 positive integers (up to 20121247) that are relatively prime to 20121247.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-one thousand two hundred forty-seven

Notation

Scientific notation 2.0121247 × 10^7
Engineering notation 2.0121247 × 10^6

Prime Factorization of 20121247

Prime Factorization 19 × 659 × 1607

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20121247
Product of the distinct prime numbers

The prime factorization of 20121247 is 19 × 659 × 1607. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20121247)

Multiplication

n×y
n×2 40242494
n×3 60363741
n×4 80484988
n×5 100606235

Division

n÷y
n÷2 10060623.5
n÷3 6707082.3333333
n÷3 5030311.75
n÷5 4024249.4

Exponentiation

ny
n2 404864580835009
n3 8.1463802325327E+21
n4 1.6391532881471E+29
n5 3.2981808181669E+36

Nth Root

y√n
2√n 4485.6712987021
3√n 271.98918191548
4√n 66.97515433877
5√n 28.888898196948

Divisors of 20121247

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20121246
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20121247 can be divided by 8 positive divisors. The sum of these divisors (counting 20121247) is 1, the average is 0.125.

Base conversion 20121247

Base System Value
2 Binary 1001100110000011010011111
3 Ternary 1101212021011101
4 Quaternary 1030300122133
5 Quinary 20122334442
6 Senary 1555133531
8 Octal 114603237
10 Decimal 20121247
12 Duodecimal 68a42a7
16 Hexadecimal 133069f
20 Vigesimal 65f327
36 Base36 bz9nj

Cryptographic Hash Functions

md5 13c3b5428a1a860d96f12944566712b4
sha1 abd8b975709217b58f1459594fd1614806b8a420
sha256 89f591edd44a544c6fe534de598fbef741dfa4f4e0741eba095e0a3ee2e32ebe
sha512 a5f87091d20c6fdd901b520f4b8b364b2d6832257eb88767ebdae446f8d9678a2fbae2bf56ff37a3a1faca9650c94b81eb8113817a42951c8a9fc2b5cdc77933
ripemd-160 43e5e19b7d44d0eac7820b6b96cdd68fd6993a1f

20121247 as geometric shapes

Circle

Radius = n
Diameter 40242494
Circumference 126425523.51253
Area 1.27191959285E+15

Sphere

Radius = n
Volume 3.4123477722498E+22
Surface area 5.0876783713999E+15
Circumference 126425523.51253

Square

Length = n
Perimeter 80484988
Area 404864580835009
Diagonal 28455740.399259

Cube

Length = n
Surface area 2429187485010054
Volume 8.1463802325327E+21
Space diagonal 34851022.115643

Equilateral Triangle

Length = n
Perimeter 60363741
Area 1.7531150604783E+14
Altitude 17425511.057821

Triangular Pyramid

Length = n
Surface area 1.7531150604783E+14
Volume 9.6006011742465E+20
Height 9485246.799753