20181212 (number)

20181212 is an even 8-digits composite number following 20181211 and preceding 20181213. In scientific notation, it is written as 2.0181212 × 10^7. The sum of its digits is 17. It has a total of 4 prime factors and 12 positive divisors. There are 9651840 positive integers (up to 20181212) that are relatively prime to 20181212.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0181212 × 10^7
Engineering notation 2.0181212 × 10^6

Prime Factorization of 20181212

Prime Factorization 2 × 2 × 23 × 219361

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10090606
Product of the distinct prime numbers

The prime factorization of 20181212 is 2 × 2 × 23 × 219361. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 2, 63, 73, 349, 827, 4145, 7952, 47299, 39463, 765565, 515231, 1317581, 2087523, 52312983, 51435172, 926825049, 955542722, 7519614960, 7599878978

Basic calculations (n = 20181212)

Multiplication

n×y
n×2 40362424
n×3 60543636
n×4 80724848
n×5 100906060

Division

n÷y
n÷2 10090606
n÷3 6727070.6666667
n÷3 5045303
n÷5 4036242.4

Exponentiation

ny
n2 407281317788944
n3 8.2194306179381E+21
n4 1.658780718199E+29
n5 3.3476205335486E+36

Nth Root

y√n
2√n 4492.3503870469
3√n 272.2591064712
4√n 67.024998224893
5√n 28.906096548617

Divisors of 20181212

1, 2, 4, 23, 46, 92, 219361, 438722, 877444, 5045303, 10090606, 20181212

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20181211
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20181212 can be divided by 12 positive divisors. The sum of these divisors (counting 20181212) is 1, the average is 0.083333333333333.

Base conversion 20181212

Base System Value
2 Binary 1001100111111000011011100
3 Ternary 1101222022102022
4 Quaternary 1030333003130
5 Quinary 20131244322
6 Senary 2000315312
8 Octal 114770334
10 Decimal 20181212
12 Duodecimal 6912b38
16 Hexadecimal 133f0dc
20 Vigesimal 662d0c
36 Base36 c0jx8

Cryptographic Hash Functions

md5 50e5aaefc627e011ce7a3413d5a73bf2
sha1 c4d3b1874f24d53885b23fe41e03199f9d8dae28
sha256 d07a7224851be59d768d94c69b0fff06016d227060eb62bff06a26f656f2ed65
sha512 2db859084828b15e22e9c8b602c6ea2e3fe937ec196c592a882f04427f793869574002a37a02333e357c7042acca0e35700e27a02aeee44df3e74cccf5633fe4
ripemd-160 f913156dfe83778b35a96507f51b097eb638522e

20181212 as geometric shapes

Circle

Radius = n
Diameter 40362424
Circumference 126802294.71948
Area 1.2795119959101E+15

Sphere

Radius = n
Volume 3.442947046134E+22
Surface area 5.1180479836405E+15
Circumference 126802294.71948

Square

Length = n
Perimeter 80724848
Area 407281317788944
Diagonal 28540543.715527

Cube

Length = n
Surface area 2443687906733664
Volume 8.2194306179381E+21
Space diagonal 34954884.542319

Equilateral Triangle

Length = n
Perimeter 60543636
Area 1.7635798384601E+14
Altitude 17477442.271159

Triangular Pyramid

Length = n
Surface area 1.7635798384601E+14
Volume 9.6866918790606E+20
Height 9513514.5718422