18081556 (number)

18081556 is an even 8-digits composite number following 18081555 and preceding 18081557. In scientific notation, it is written as 1.8081556 × 10^7. The sum of its digits is 34. It has a total of 4 prime factors and 12 positive divisors. There are 8749080 positive integers (up to 18081556) that are relatively prime to 18081556.

Interesting facts

Basic properties

Name

Name eighteen million eighty-one thousand five hundred fifty-six

Notation

Scientific notation 1.8081556 × 10^7
Engineering notation 1.8081556 × 10^6

Prime Factorization of 18081556

Prime Factorization 2 × 2 × 31 × 145819

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 9040778
Product of the distinct prime numbers

The prime factorization of 18081556 is 2 × 2 × 31 × 145819. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 7, 65, 49, 644, 818, 3323, 4013, 36933, 62260, 398683, 53110, 4087481, 1304160, 81547222, 19554787, 476915835, 532587445, 3350408998, 7519216067

Basic calculations (n = 18081556)

Multiplication

n×y
n×2 36163112
n×3 54244668
n×4 72326224
n×5 90407780

Division

n÷y
n÷2 9040778
n÷3 6027185.3333333
n÷3 4520389
n÷5 3616311.2

Exponentiation

ny
n2 326942667381136
n3 5.9116321490414E+21
n4 1.0689150775429E+29
n5 1.9327647833837E+36

Nth Root

y√n
2√n 4252.2412913662
3√n 262.46935273344
4√n 65.20921170637
5√n 28.277900378613

Divisors of 18081556

1, 2, 4, 31, 62, 124, 145819, 291638, 583276, 4520389, 9040778, 18081556

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 -18081555
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 18081556 can be divided by 12 positive divisors. The sum of these divisors (counting 18081556) is 1, the average is 0.083333333333333.

Base conversion 18081556

Base System Value
2 Binary 1000100111110011100010100
3 Ternary 1021000122020021
4 Quaternary 1010332130110
5 Quinary 14112102211
6 Senary 1443314524
8 Octal 104763424
10 Decimal 18081556
12 Duodecimal 607ba44
16 Hexadecimal 113e714
20 Vigesimal 5d03hg
36 Base36 arjtg

Cryptographic Hash Functions

md5 936395bc1fe1385198e3562a35375398
sha1 eb0ad60e0fe4e8ee5916ebd4ff55b3c96ac2e0a1
sha256 4de6c462a4cd6e1f0ece191021415273f668dc3c123e97ebedec2260dc2d03e5
sha512 0c0358c6c72203fa2c82d898b79593b7f24418689906c698ab7f2438d7b133cd0d6acd45905c64a9169ae462e7bd0d6c1367d2630d08040be5a1856c78861330
ripemd-160 6f30ab5cebfcf3ed24184ef8c9b60d8dd5e4ba01

18081556 as geometric shapes

Circle

Radius = n
Diameter 36163112
Circumference 113609766.99014
Area 1.0271206819896E+15

Sphere

Radius = n
Volume 2.4762586840205E+22
Surface area 4.1084827279585E+15
Circumference 113609766.99014

Square

Length = n
Perimeter 72326224
Area 326942667381136
Diagonal 25571181.724009

Cube

Length = n
Surface area 1961656004286816
Volume 5.9116321490414E+21
Space diagonal 31318173.671902

Equilateral Triangle

Length = n
Perimeter 54244668
Area 1.4157032776655E+14
Altitude 15659086.835951

Triangular Pyramid

Length = n
Surface area 1.4157032776655E+14
Volume 6.9669253007793E+20
Height 8523727.2413362