20181216 (number)

20181216 is an even 8-digits composite number following 20181215 and preceding 20181217. In scientific notation, it is written as 2.0181216 × 10^7. The sum of its digits is 21. It has a total of 9 prime factors and 96 positive divisors. There are 5895680 positive integers (up to 20181216) that are relatively prime to 20181216.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0181216 × 10^7
Engineering notation 2.0181216 × 10^6

Prime Factorization of 20181216

Prime Factorization 2 × 2 × 2 × 2 × 2 × 3 × 11 × 29 × 659

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 9
Total number of prime factors
rad Radical 1261326
Product of the distinct prime numbers

The prime factorization of 20181216 is 2 × 2 × 2 × 2 × 2 × 3 × 11 × 29 × 659. Since it has a total of 9 prime factors.

Most popular turbo-numbers

5, 2, 54, 98, 837, 425, 2737, 5324, 95461, 69307, 831596, 235266, 4246351, 4374150, 8676034, 50870155, 834432431, 731881284, 5229192878, 2736507779

Basic calculations (n = 20181216)

Multiplication

n×y
n×2 40362432
n×3 60543648
n×4 80724864
n×5 100906080

Division

n÷y
n÷2 10090608
n÷3 6727072
n÷3 5045304
n÷5 4036243.2

Exponentiation

ny
n2 407281479238656
n3 8.2194355053148E+21
n4 1.6587820333083E+29
n5 3.3476238511114E+36

Nth Root

y√n
2√n 4492.3508322481
3√n 272.25912445882
4√n 67.025001546051
5√n 28.906097694478

Divisors of 20181216

1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 29, 32, 33, 44, 48, 58, 66, 87, 88, 96, 116, 132, 174, 176, 232, 264, 319, 348, 352, 464, 528, 638, 659, 696, 928, 957, 1056, 1276, 1318, 1392, 1914, 1977, 2552, 2636, 2784, 3828, 3954, 5104, 5272, 7249, 7656, 7908, 10208, 10544, 14498, 15312, 15816, 19111, 21088, 21747, 28996, 30624, 31632, 38222, 43494, 57333, 57992, 63264, 76444, 86988, 114666, 115984, 152888, 173976, 210221, 229332, 231968, 305776, 347952, 420442, 458664, 611552, 630663, 695904, 840884, 917328, 1261326, 1681768, 1834656, 2522652, 3363536, 5045304, 6727072, 10090608, 20181216

96 divisors

τ Total Divisors 96
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20181215
Sum of the proper positive divisors of n
A Arithmetic Mean 0.010416666666667
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 96
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20181216 can be divided by 96 positive divisors. The sum of these divisors (counting 20181216) is 1, the average is 0.010416666666667.

Base conversion 20181216

Base System Value
2 Binary 1001100111111000011100000
3 Ternary 1101222022102110
4 Quaternary 1030333003200
5 Quinary 20131244331
6 Senary 2000315320
8 Octal 114770340
10 Decimal 20181216
12 Duodecimal 6912b40
16 Hexadecimal 133f0e0
20 Vigesimal 662d0g
36 Base36 c0jxc

Cryptographic Hash Functions

md5 b72c8fb1872f993b75a28b375208e650
sha1 7b8f7ddaa15fc921d48fff302e70fdcae7c71fd6
sha256 0d6465d26b5a563943042fa034da378a5da937ce441d1a579ff133c26d1f3cc1
sha512 e3244b2dc4d3c40ed0bbd4e63c95a0ea88ad21716a8682670c158efd66d01f365733268f215e51a3a377159472d663b681c433d8158e7c4486adfa96f7146ca3
ripemd-160 fe04682413e970ffa7f1bbbc12acd8235f24aa09

20181216 as geometric shapes

Circle

Radius = n
Diameter 40362432
Circumference 126802319.85222
Area 1.2795125031193E+15

Sphere

Radius = n
Volume 3.4429490933536E+22
Surface area 5.1180500124774E+15
Circumference 126802319.85222

Square

Length = n
Perimeter 80724864
Area 407281479238656
Diagonal 28540549.372381

Cube

Length = n
Surface area 2443688875431936
Volume 8.2194355053148E+21
Space diagonal 34954891.470522

Equilateral Triangle

Length = n
Perimeter 60543648
Area 1.7635805375579E+14
Altitude 17477445.735261

Triangular Pyramid

Length = n
Surface area 1.7635805375579E+14
Volume 9.6866976388893E+20
Height 9513516.4574603