20121216 (number)

20121216 is an even 8-digits composite number following 20121215 and preceding 20121217. In scientific notation, it is written as 2.0121216 × 10^7. The sum of its digits is 15. It has a total of 10 prime factors and 64 positive divisors. There are 6589440 positive integers (up to 20121216) that are relatively prime to 20121216.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0121216 × 10^7
Engineering notation 2.0121216 × 10^6

Prime Factorization of 20121216

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 61 × 859

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 10
Total number of prime factors
rad Radical 314394
Product of the distinct prime numbers

The prime factorization of 20121216 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 61 × 859. Since it has a total of 10 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20121216)

Multiplication

n×y
n×2 40242432
n×3 60363648
n×4 80484864
n×5 100606080

Division

n÷y
n÷2 10060608
n÷3 6707072
n÷3 5030304
n÷5 4024243.2

Exponentiation

ny
n2 404863333318656
n3 8.1463425801847E+21
n4 1.6391431866589E+29
n5 3.2981554113693E+36

Nth Root

y√n
2√n 4485.6678432537
3√n 271.98904223446
4√n 66.975128542271
5√n 28.888889295348

Divisors of 20121216

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20121215
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20121216 can be divided by 64 positive divisors. The sum of these divisors (counting 20121216) is 1, the average is 0.015625.

Base conversion 20121216

Base System Value
2 Binary 1001100110000011010000000
3 Ternary 1101212021010020
4 Quaternary 1030300122000
5 Quinary 20122334331
6 Senary 1555133440
8 Octal 114603200
10 Decimal 20121216
12 Duodecimal 68a4280
16 Hexadecimal 1330680
20 Vigesimal 65f30g
36 Base36 bz9mo

Cryptographic Hash Functions

md5 5839a4a0943bb79efa10d66007ebbb1c
sha1 bdbabad4b8dedaeeec4d8d11739eb163b9b5e6e4
sha256 f394c185c159159867780c11b089696735803e11eb43d286255568f196775f39
sha512 056565a22e0d3c0c7f40d98db21d3d160ddbaf124427ddec91fad0428dc9269eb320af9469957a8d481a61c1e7f2bb6d51d6165ae1f4f4adc61940e96ced3b98
ripemd-160 936920201afd1f99ab71d60abee3d6671053a92f

20121216 as geometric shapes

Circle

Radius = n
Diameter 40242432
Circumference 126425328.73379
Area 1.2719156736618E+15

Sphere

Radius = n
Volume 3.4123320004712E+22
Surface area 5.0876626946471E+15
Circumference 126425328.73379

Square

Length = n
Perimeter 80484864
Area 404863333318656
Diagonal 28455696.558639

Cube

Length = n
Surface area 2429179999911936
Volume 8.1463425801847E+21
Space diagonal 34850968.422068

Equilateral Triangle

Length = n
Perimeter 60363648
Area 1.753109658574E+14
Altitude 17425484.211034

Triangular Pyramid

Length = n
Surface area 1.753109658574E+14
Volume 9.6005568005288E+20
Height 9485232.1862128