18081620 (number)

18081620 is an even 8-digits composite number following 18081619 and preceding 18081621. In scientific notation, it is written as 1.8081620 × 10^7. The sum of its digits is 26. It has a total of 5 prime factors and 24 positive divisors. There are 7113600 positive integers (up to 18081620) that are relatively prime to 18081620.

Interesting facts

Basic properties

Name

Name eighteen million eighty-one thousand six hundred twenty

Notation

Scientific notation 1.8081620 × 10^7
Engineering notation 1.8081620 × 10^6

Prime Factorization of 18081620

Prime Factorization 2 × 2 × 5 × 61 × 14821

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 9040810
Product of the distinct prime numbers

The prime factorization of 18081620 is 2 × 2 × 5 × 61 × 14821. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 3, 61, 88, 584, 892, 7570, 7664, 92244, 24132, 725611, 608618, 7006091, 6227534, 14495563, 36896190, 869700981, 661105398, 6172819411, 5567981092

Basic calculations (n = 18081620)

Multiplication

n×y
n×2 36163240
n×3 54244860
n×4 72326480
n×5 90408100

Division

n÷y
n÷2 9040810
n÷3 6027206.6666667
n÷3 4520405
n÷5 3616324

Exponentiation

ny
n2 326944981824400
n3 5.9116949222557E+21
n4 1.0689302114016E+29
n5 1.9327989889083E+36

Nth Root

y√n
2√n 4252.2488168027
3√n 262.46966240477
4√n 65.209269408595
5√n 28.277920396614

Divisors of 18081620

1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 14821, 29642, 59284, 74105, 148210, 296420, 904081, 1808162, 3616324, 4520405, 9040810, 18081620

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18081619
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18081620 can be divided by 24 positive divisors. The sum of these divisors (counting 18081620) is 1, the average is 0.041666666666667.

Base conversion 18081620

Base System Value
2 Binary 1000100111110011101010100
3 Ternary 1021000122022122
4 Quaternary 1010332131110
5 Quinary 14112102440
6 Senary 1443315112
8 Octal 104763524
10 Decimal 18081620
12 Duodecimal 607ba98
16 Hexadecimal 113e754
20 Vigesimal 5d0410
36 Base36 arjv8

Cryptographic Hash Functions

md5 dffa8590229bc017b9f6999b16dd1347
sha1 472518568e44f86c2031a1f1e8233d26cf8bfe81
sha256 b04ac8fe499534de0137619df4b2fd9e32532c23d051defe72a14c4fbd51605d
sha512 789aa4aef680d7af2d3ec1b0c62b5b6bbcff4fa0e5de52ac6299b8c906bae2b1aec0946c6374f218335124a1a22fe31e373df4c8c0088045a427a85a0a393238
ripemd-160 0210dd88d0440c14396a19739f74423e91271625

18081620 as geometric shapes

Circle

Radius = n
Diameter 36163240
Circumference 113610169.114
Area 1.0271279530276E+15

Sphere

Radius = n
Volume 2.476284978403E+22
Surface area 4.1085118121103E+15
Circumference 113610169.114

Square

Length = n
Perimeter 72326480
Area 326944981824400
Diagonal 25571272.233677

Cube

Length = n
Surface area 1961669890946400
Volume 5.9116949222557E+21
Space diagonal 31318284.523154

Equilateral Triangle

Length = n
Perimeter 54244860
Area 1.4157132994989E+14
Altitude 15659142.261577

Triangular Pyramid

Length = n
Surface area 1.4157132994989E+14
Volume 6.9669992797218E+20
Height 8523757.4112255