18081490 (number)

18081490 is an even 8-digits composite number following 18081489 and preceding 18081491. In scientific notation, it is written as 1.8081490 × 10^7. The sum of its digits is 31. It has a total of 5 prime factors and 24 positive divisors. There are 6199200 positive integers (up to 18081490) that are relatively prime to 18081490.

Interesting facts

Basic properties

Name

Name eighteen million eighty-one thousand four hundred ninety

Notation

Scientific notation 1.8081490 × 10^7
Engineering notation 1.8081490 × 10^6

Prime Factorization of 18081490

Prime Factorization 2 × 7 × 7 × 5 × 36901

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 2583070
Product of the distinct prime numbers

The prime factorization of 18081490 is 2 × 7 × 7 × 5 × 36901. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 3, 98, 86, 281, 344, 466, 6033, 28668, 33277, 245637, 421638, 7751832, 2641539, 98467210, 6158180, 331292873, 40203356, 9133332328, 9567492919

Basic calculations (n = 18081490)

Multiplication

n×y
n×2 36162980
n×3 54244470
n×4 72325960
n×5 90407450

Division

n÷y
n÷2 9040745
n÷3 6027163.3333333
n÷3 4520372.5
n÷5 3616298

Exponentiation

ny
n2 326940280620100
n3 5.9115674146295E+21
n4 1.0688994709195E+29
n5 1.9327295094436E+36

Nth Root

y√n
2√n 4252.2335307459
3√n 262.46903338411
4√n 65.209152200791
5√n 28.27787973499

Divisors of 18081490

1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 36901, 73802, 184505, 258307, 369010, 516614, 1291535, 1808149, 2583070, 3616298, 9040745, 18081490

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 -18081489
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 18081490 can be divided by 24 positive divisors. The sum of these divisors (counting 18081490) is 1, the average is 0.041666666666667.

Base conversion 18081490

Base System Value
2 Binary 1000100111110011011010010
3 Ternary 1021000122010211
4 Quaternary 1010332123102
5 Quinary 14112101430
6 Senary 1443314334
8 Octal 104763322
10 Decimal 18081490
12 Duodecimal 607b9aa
16 Hexadecimal 113e6d2
20 Vigesimal 5d03ea
36 Base36 arjrm

Cryptographic Hash Functions

md5 bb08a073a021c22c94bc67f1035e4d39
sha1 39e97993ff7aa94dc111a3f12f38faf1e61ecef3
sha256 34f7e1809cc006114e3d154238b8d1739c87c5197243b95b3fd20a62b62edbec
sha512 73c388bbe2a6eb154b33de6be1626f1b10ae03416e3952826271a63a6423205108ce3d35a0f515650ae6cd07e4f03211a9a1252c456b7a46f5892a91656549a2
ripemd-160 61f708d8706b6b7c6e0f8d0473c5e488b9812ea8

18081490 as geometric shapes

Circle

Radius = n
Diameter 36162980
Circumference 113609352.29991
Area 1.0271131837587E+15

Sphere

Radius = n
Volume 2.4762315681335E+22
Surface area 4.1084527350348E+15
Circumference 113609352.29991

Square

Length = n
Perimeter 72325960
Area 326940280620100
Diagonal 25571088.385913

Cube

Length = n
Surface area 1961641683720600
Volume 5.9115674146295E+21
Space diagonal 31318059.356549

Equilateral Triangle

Length = n
Perimeter 54244470
Area 1.4156929426871E+14
Altitude 15659029.678274

Triangular Pyramid

Length = n
Surface area 1.4156929426871E+14
Volume 6.9668490105433E+20
Height 8523696.1286378