18406986 (number)

18406986 is an even 8-digits composite number following 18406985 and preceding 18406987. In scientific notation, it is written as 1.8406986 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 5542080 positive integers (up to 18406986) that are relatively prime to 18406986.

Interesting facts

Basic properties

Name

Name eighteen million four hundred six thousand nine hundred eighty-six

Notation

Scientific notation 1.8406986 × 10^7
Engineering notation 1.8406986 × 10^6

Prime Factorization of 18406986

Prime Factorization 2 × 39 × 47 × 5021

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18406986
Product of the distinct prime numbers

The prime factorization of 18406986 is 2 × 39 × 47 × 5021. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 8, 65, 59, 606, 939, 7699, 245, 67490, 76703, 780526, 538136, 1308008, 7512422, 98908734, 87497575, 293823546, 245756354, 9424103593, 2955602216

Basic calculations (n = 18406986)

Multiplication

n×y
n×2 36813972
n×3 55220958
n×4 73627944
n×5 92034930

Division

n÷y
n÷2 9203493
n÷3 6135662
n÷3 4601746.5
n÷5 3681397.2

Exponentiation

ny
n2 338817133604196
n3 6.2366022348126E+21
n4 1.1479705002376E+29
n5 2.1130676926287E+36

Nth Root

y√n
2√n 4290.3363504509
3√n 264.03463159089
4√n 65.50065916043
5√n 28.37896395465

Divisors of 18406986

1, 2, 39, 47, 78, 94, 1833, 3666, 5021, 10042, 195819, 235987, 391638, 471974, 9203493, 18406986

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18406985
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18406986 can be divided by 16 positive divisors. The sum of these divisors (counting 18406986) is 1, the average is 0.0625.

Base conversion 18406986

Base System Value
2 Binary 1000110001101111001001010
3 Ternary 1021122011122020
4 Quaternary 1012031321022
5 Quinary 14203010421
6 Senary 1454305310
8 Octal 106157112
10 Decimal 18406986
12 Duodecimal 61b8236
16 Hexadecimal 118de4a
20 Vigesimal 5f0h96
36 Base36 ayix6

Cryptographic Hash Functions

md5 ad2185f3aa43414c9a9e3bb56cf9a7dc
sha1 2fe9cfe9a8d7709bdcf76b0f539b61263c78e596
sha256 4a4a113d45c468f9a5ba011f077c5b8b0e44e96ce087b99f80140f79902685f8
sha512 a2ddb92b20186a35a5883fa75b18c5ffe837c454868d3286b8021dc84be75039474e424c9c6daf77f9edee0e74547d9614bf0f79ec53d36472220f6182ebd254
ripemd-160 fb2e9a8301db3e4c4f0b36b005e9a23549db9e38

18406986 as geometric shapes

Circle

Radius = n
Diameter 36813972
Circumference 115654503.98466
Area 1.0644254178413E+15

Sphere

Radius = n
Volume 2.6123818352332E+22
Surface area 4.2577016713652E+15
Circumference 115654503.98466

Square

Length = n
Perimeter 73627944
Area 338817133604196
Diagonal 26031409.243612

Cube

Length = n
Surface area 2032902801625176
Volume 6.2366022348126E+21
Space diagonal 31881834.966209

Equilateral Triangle

Length = n
Perimeter 55220958
Area 1.4671212246933E+14
Altitude 15940917.483105

Triangular Pyramid

Length = n
Surface area 1.4671212246933E+14
Volume 7.3499062196652E+20
Height 8677136.4145372