18180812 (number)

18180812 is an even 8-digits composite number following 18180811 and preceding 18180813. In scientific notation, it is written as 1.8180812 × 10^7. The sum of its digits is 29. It has a total of 4 prime factors and 12 positive divisors. There are 8322048 positive integers (up to 18180812) that are relatively prime to 18180812.

Interesting facts

Basic properties

Name

Name eighteen million one hundred eighty thousand eight hundred twelve

Notation

Scientific notation 1.8180812 × 10^7
Engineering notation 1.8180812 × 10^6

Prime Factorization of 18180812

Prime Factorization 2 × 2 × 1651 × 2753

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 9090406
Product of the distinct prime numbers

The prime factorization of 18180812 is 2 × 2 × 1651 × 2753. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 3, 91, 85, 59, 803, 1465, 532, 26314, 783, 245042, 718010, 9068496, 4753600, 1686118, 5499918, 166020949, 864360684, 4624414066, 9046223268

Basic calculations (n = 18180812)

Multiplication

n×y
n×2 36361624
n×3 54542436
n×4 72723248
n×5 90904060

Division

n÷y
n÷2 9090406
n÷3 6060270.6666667
n÷3 4545203
n÷5 3636162.4

Exponentiation

ny
n2 330541924979344
n3 6.0095205961676E+21
n4 1.0925796416905E+29
n5 1.9863985060602E+36

Nth Root

y√n
2√n 4263.8963402034
3√n 262.94873872624
4√n 65.298517136329
5√n 28.308877896298

Divisors of 18180812

1, 2, 4, 1651, 2753, 3302, 5506, 6604, 11012, 4545203, 9090406, 18180812

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 -18180811
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 18180812 can be divided by 12 positive divisors. The sum of these divisors (counting 18180812) is 1, the average is 0.083333333333333.

Base conversion 18180812

Base System Value
2 Binary 1000101010110101011001100
3 Ternary 1021012200101102
4 Quaternary 1011112223030
5 Quinary 14123241222
6 Senary 1445402232
8 Octal 105265314
10 Decimal 18180812
12 Duodecimal 6109378
16 Hexadecimal 1156acc
20 Vigesimal 5dcc0c
36 Base36 atoek

Cryptographic Hash Functions

md5 d8f95d7a91d389ffb4ab88df8ca20178
sha1 2047a0496005a8030a9aadd493c1f3fc9c9d2475
sha256 97676a34704ff49b1a48893b151259293dfec5b0f59aa117b1606afbfad79f15
sha512 7268a9feb6266ff81fe9b5431877c5d84f8dffe4df6102ab2d31e55cd9643c0f02e3f8d1f2f85577126308d7e567a9287ac2ab7ebcf0742fca0c5a082ce570f9
ripemd-160 2fb8e1106e9f9cc6d84105b88c5b2c130924ab82

18180812 as geometric shapes

Circle

Radius = n
Diameter 36361624
Circumference 114233410.83099
Area 1.0384280832185E+15

Sphere

Radius = n
Volume 2.5172621008689E+22
Surface area 4.1537123328741E+15
Circumference 114233410.83099

Square

Length = n
Perimeter 72723248
Area 330541924979344
Diagonal 25711550.905356

Cube

Length = n
Surface area 1983251549876064
Volume 6.0095205961676E+21
Space diagonal 31490090.106858

Equilateral Triangle

Length = n
Perimeter 54542436
Area 1.4312885202396E+14
Altitude 15745045.053429

Triangular Pyramid

Length = n
Surface area 1.4312885202396E+14
Volume 7.0822879420505E+20
Height 8570516.9684518